2.
Subclass: ORTHOGASTROPODA Ponder & Lindberg, 1996
[= PROSOBRANCHIA Milne Edwards, 1848 p.p. + OPISTHOBRANCHIA;
= AZYGOBRANCHIA Spengel, 1881 p.p.] |
| |
SuperOrder: Caenogastropoda |
| Order:
Hypsogastropoda |
| |
SubOrder: Sorbeoconcha
|
| Unnamed |
| |
SuperFamily:
Cerithoidea |
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Family: Thiaridae
(Swamp Ceriths)
Freshwater
molluscs. The general range of the thiaridae is circum-tropical, and many
of the species are extremely widespread. Their dispersal is facilitated
by the fact that all are parthenogenic females.
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| |
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Genus: Melanoides,
Ripalania
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|
Unable
to locat image
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Melanoides
tuberculata
(Müller, O.F., 1774)
to 21 mm
URL
|
Ripalania
|
|
Family:Cerithiidae
(Horn shella)
Their shells are elongate and
high spired.They have a short but distinct anterior canal. The sculpture
consists of beaded spiral cords, axial ribs and nodules. Size range is quite
wide. Form, colour and sculpture is also quite varied. They live in tide
pools to depths of approximately 60 meters. |
| |
SubFamily: Species
inquirenda |
| SubFamily:
Cerithiinae |
| |
Genus: Cerithium,
Rhinoclavis, Colina, Plesiotrochus, Gourmya, Clypeomorus, Pseudovertagus,
Royella, Clavocerithium, Glyptozaria
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Rhinoclavis
(Rhinoclavis) gemmata
(Hinds, R.B., 1844)
25 - 40 mm
Gastropods.com
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Plesiotrochus
monachus
(Crosse, H. & P. Fischer, 1864)
24 mm
Gastropods.com
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Clypeomorus
batillariaeformis
(Habe, T. & S. Kosuge, 1966)
8 - 25 mm
Gastropods.com
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Pseudovertagus
aluco
(Linnaeus, C., 1758) Aluco Vertagus
45 - 95 mm
Gastropods.com
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Unable
to locate image
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Unable
to locate image
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Clavocerithium
Gastropods.com
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Glyptozaria
Gastropods.com
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| SubFamily:
Bittiinae |
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Genus: Bittium,
Argyropeza, Cacozeliana, Varicopeza, Ittibittium
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to locate image
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Argyropeza
Deep Sea Mollusc
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to locate image
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Unable
to locate image
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Varicopeza
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Ittibittium
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Family: Dialidae
They have a small (approx 2-7mm.) shells. The aperture is complete. |
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Genus:Finella,
Scaliola, Diala, Cerithidium, Mellitestea, Paradiala
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to locate image
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Finella
Gastropods.com
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Unable
to locate image
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Unable
to locate image
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Unable
to locate image
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Cerithidium
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Mellitestea
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Paradiala
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| Family:
Diastomatidae |
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Genus: Diastoma
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to loacate image
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Diastoma
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| Family:
Litiopidae |
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Genus: Litiopa,
Alaba
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to loacate image
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Litiopa
|
Alaba
incerta
(Orbigny, 1842)
5 mm.
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Family:
Fossaridae
Shells are small and turbiniform, usually umbilicate and they usually
have a prominent protoconch. The last whorl is large, the apertureolbilque,
and the columella is connected to the outer lip. Often, spiral sculpture
predominates the shells. The operculum is thin and horny, with an upstanding
nucleus and open spiral. |
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Genus:
Fossarus,
Conradia, Larinopsis
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Unable
to loacate image
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Unable
to loacate image
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Fossarus
ambiguus
(Linnaeus, 1758)
5 mm.
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Conradia
|
Larinopsis
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Family:
Modulidae
These shells resemble turban shells, but they are entirely porcelaneous
and there is a projecting tooth-like structure at the base of the columella.
The aperture is lirate. The operculum is chitinous and multispiral. |
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Genus: Modulus
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| Family: Obtortionidae
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Genus: Obtortio,
Eufenella, Clathrofenella
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to locate image
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Unable
to locate image
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Unable
to locate image
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Obtortio
|
Eufenella,
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Clathrofenella
|
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Family:
Potamididae
(Horn Shells)
This is a common snail of the mangrove swamps in the Indo-Pacific.
|
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Genus:
Incertae
sedis:
Potamides (Pirenella) layardi , Potamides (Pirenella) layardi var bombayanus
Telescopium,
Potamides, Cerithidea, Terebralia, Pirenella
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Telescopium
telescopium
(Linnaeus, C., 1758)
48 - 110 mm
Gastropods.com
|
Potamides
conicus
(Blainville, H.M.D. de, 1826)
12 - 23 mm
Gastropods.com
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Unable
to locate image
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Terebralia
semistriata
(Mörch, O.A.L., 1852)
57 mm
Gastropods.com
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Pirenella
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Family:
Siliquariidae
(Worm Snails)
These snails have diverted from a helically coiled shell form, uncoiled
completely and have developed into worm-shaped shells that often are
cemented to the substratum. These"worm snails" form massive
snail reefs that appear to be in global decline. As more-or-less sessile,
gill-filtering or slime-net-feeding organisms they fill unusual niches
among the gastropods. |
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Siliquaria
anguina
(Linnaeus, C., 1758)
20 - 80 mm.
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Genus:
Siliquaria, Stephopoma |
Family:
Turritellidae
(Deep Sea Augers, True Augers)
"Shells of this family are shaped like long, slender augers or
screws and resemble Terebridae shells. However, the similarity ends
there. The turritella shell shape is somewhat variable, and shells
are thin, rough and not lustrous. The rounded mouth and complete absence
of a siphonal canal at the anterior end of the aperture clearly identify
turritellas. The shells have in addition: a very tall spire; numerous
convex whorls; no umbilical opening; absence of folds on the columnella,
and a horny, flexible operculum that is supported by flexible bristles.
..." Archerd
Collection |
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Turritella
cochlea
( Reeve, 1849)
50 - 63mm
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SubFamily: Turritellinae
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Genus:
Turritella,
Haustator, Zaria, Archimediella, Colpospira, Gazameda, Maoricolpus, Zeacolpus,
Spirocolpus, Neohaustator, Banzarecolpus |
| SubFamily:
Turritellopsinae
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Unable
to locate image
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Genus:
Turritellopsis
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| Family:
Orectospirinae
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Orectospira
shikokuensis (Yokoyama 1928)
5 mm.
URL
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Genus:
Orectospira |
Family:
Planaxidae
This small (Shell
1.5-2.5cm),relatively common snail grazes
on algae on rocky areas. The deep, smooth circular ridges on the shell
are quite diagnostic.
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Genus:
Planaxis,
Fissilabia, Hinea, Holcostoma, Couthouyia, Angiola, Halotapoda, Simulathena
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Family:
Batillariidae
The shells are heavy and high-spired, somewhat similar in shape
to those of the Cerithiidae, with spiral and axial sculpture, but
usually with a flaring outer lip. The animals inhabit estuarine habitats,
and are often found in mud between mangroves. Capricornica
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Batillaria
minima
(Gmelin, 1791)
20 mm.
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Genus:
Pyrazus,
Batillaria, Zeacumantus, Batillariella, Velacumantus |
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SuperOrder: Hypsogastropoda |
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Order:
Littorinimorpha |
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SuperFamily:
Littorinoidea |
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Family:
Littorinidae
"Periwinkles have solidly built shells with typically sharp round protuberances.
They are found in intertidal locations widely distributed in most parts
of the world, and often in swarms on harbor walls and other rocky surfaces.
Some, however, live in mangroves. The outer lip of the shell is sharp-edged
and thin, while the mollusc has a horny operculum...." Archerd
Shell Collection |
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| SubFamily:
Bembiciinae |
|
Bembicium
auratum
(Quoy, J.R.C. & J.P. Gaimard, 1834)
20 mm.
Gastropods.com
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Genus:
Bembicium, Risellopsis |
| SubFamily:
Littorininae |
|
Littorina
(Littorina) littorea
(Linnaeus, C., 1758)
25 - 43 mm
Gastropods.com
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Genus:
Littorina,
Littoraria, Stenotis, Peasiella, Mainwaringia,
Pellilitorina, Nodilittorina, Macquariella, Laevilacunaria,
Rissolittorina, Rufolacuna |
| SubFamily:
Tectariinae |
|
Tectarius
(Tectarius) coronatus
(Valenciennes, A., 1832)
40 mm.
Conchology.be
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Genus:
Tectarius |
| SubFamily:
Laevilitorininae |
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Unable
to loacate image
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Genus:
Laevilitorina |
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SuperFamily:
Rissoidea
The shell of the Rissoidea vary
in shape and sculpture, but most have a spire higher than the aperture. |
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Family:
Assimineidae
They are small, amphibious,
air breathing snails inhabiting brackish water estaries on tropical
and semitropical continental coatlines and islands. |
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Assiminea
lutea
Adams, A., 1861
8 mm
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Genus:
Incertae sedis
Assiminea,
Omphalotropis, Austroassiminea |
Family:
Bithyniidae
Small freshwater snails |
|
Bithynia
tentaculata
(Limnnaeus, 1758)
8 mm. up
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Genus:
Incertae sedis
Gabbia |
Family:
Hydrobiidae
Hydrobiids are small to very minute
usually conical, operculate fresh or brackish-water snails of considerable
antiquity. The family has world-wide
distribution. |
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Mercuria
confusa
(Frauenfeld,1863)
to 5 mm.
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Genus:
Incertae sedis
Unplaced
Potamopyrgus, Hemistomia, Tatea, Beddomeia, Fluviopupa,
Fluvidona, Jardinella, Phrantela, Posticobia, Ascorhis, Fonscochlea, Trochidrobia
|
Family:Iravadiidae
Iravadiidae shells are elongate, always
higher than broad and mostly smaller than 5mm. Shells smooth or with
spiral sculpture. A diagnostic feature for the family is the planorbid
or depressed dome-shaped protoconch, which has two whorls, the first
one of which is minute. The animals live in shallow water, mostly
in mangrove habitats, some live in brackish water, but some live in
deep water. Capricornica |
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Iravadia
(Fluviocingula) elegantula
( Adams A. 1861)
to 3 mm.
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Genus:Ceratia,
Iravadia, Rissopsis, Chevallieria, Nozeba,Liroceratia |
Family:
Stenothyridae
Very small snails which
inhabit the brackish water on mudflats |
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Stenothyra
edogawaensis (Yokoyama, 1927)
2 mm
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Genus:
Incertae sedis
Stenothyra |
Family:
Truncatellidae
Inhabit salt marshes and
the supra-littoral zone where they live on the surface of mud or under
leaf litter |
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Truncatella
pulchella
(Pfeiffer, 1834)
to 6 mm.
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Genus:
Truncatella |
| Family:
Rissoidae
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SubFamily:
Rissoinae
The shell is thin to moderately
solid, variously sculptured or smooth. The aperture is shallowly channeled
anteriorly and posteriorly |
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Alvania
cancellata
(Costa, E.M. da, 1778)
2 - 5 mm
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Genus:Cingula,
Alvania, Onoba, Manzonia, Pusillina, Benthonella,
Merelina, Lironoba, Attenuata , Parashiela, Lucidestea, Powellisetia, Voorwindia
|
SubFamily:
Rissoininae
Shell is tall-spired, usually quite solid and variously sculptured
or smaooth The aperture is ovate,typically channeled anteriorly and
posteriorly S |
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Rissoina
inca
(Orbigny, A.D. d', 1840)
7 mm.
|
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Genus:
Unplaced
Rissoina, Zebina,
Microstelma, Stosicia, Lamellirissoina |
| Family:
Tornidae
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Tornus
subcarinatus
(Chaster, 1897)
1 - 2.8 mm
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Genus:
Tornus, Laciniorbis, Naricava, Tropidorbis, Uzumakiella |
Family:
Vitrinellidae
Minute shells which are transparent when
the animal is alive but it becomes apaque white after death.The shells
are low and flattened, almost always wider than higher. The shells
is porcelaneous, umbilicate and often have a collus pad. The protoconch
is small and glassy. |
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Callomphala
lucida
(Adams, A. & G.F. Angas, 1864)
1 mm
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Genus:
Unplaced
Vitrinella,
Teinostoma, Callomphala, Circulus, Pseudoliotia, Lodderia, Lydiphnis, Scrupus,
Anticlimax, Moeniatoma, Ponderinella, Latilabrum |
SubFamily:
Caecinae
Minute curved shells, sometimes referred to as false tooth shells
because of their tubular forms. Caecids start out with a spiral shell
but then grow without any further coiling and the tube eventually
falls off. They lead a benthic existence in algae-sand flats of tidepools
to depths of several hundred meters. The aperture of the adult is
circular and there is a horny operculum |
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Caecum
pulchellum
(Stimpson, 1851)
2 mm.
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Genus:
Caecum |
| SubFamily:
Pedumicrinae |
|
Unable
to loacate image
|
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Genus:
Parastropia, Ctiloceras, Jayella, Enigmerces, Ponderoceras |
SubFamily:
Streblocerinae
These small shells (2-3 mm.) are glossy, translucent, thin, vitreous
and cornucopia shaped. |
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|
Strebloceras
subannulatum
(DeFolin, 1879)
2.6 mm.
|
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Genus:
Strebloceras |
Family:Barleeidae
Their shells are simple,
smooth and typically red-brown. Yhe operculum is thick with a straight
peg and longitutdinal thick ridge |
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|
Barleeia
unifasciata
(Montagu, G., 1803)
1 - 2 mm
|
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Genus:
Barleeia, Protobarleeia |
Family:Anabathridae
The shells are conical to high-spired and
typically possess a pitted protoconch and a chitinous inner shell
layer. They live in shallow water on hard substrates. |
|
Photo
in Black and White
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Pisinna
glabrata
(Muhelfedt, 1824)
1 mm.
|
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Genus:
Amphithalamus, Anabathron, Pisinna, Microdryas, Badepigrus, Pseudestea,
Afriscrobs |
| Family:
Pelycidiidae
|
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Unable
to loacate image
|
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Genus:
Pelycidion |
| Family:
Epigridae |
|
Unable
to loacate image
|
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Genus:
Epigrus |
| Family:
Emblandidae |
|
Unable
to loacate image
|
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Genus:
Emblanda |
| Family:
Elachisinidae
|
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Unable
to loacate image
|
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Genus:
Elachisina |
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SuperFamily:
Stromboidea
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Family:
Strombidae (True
conchs) They are carnivorous.
"The shells of this family show five unusually distinctive genera,
each of which has its own popular name; e.g., Strombus ("conches"),
Lambis ("spider shells"), Terebellum ("torpedos"), Tibia
("shinbone shells"), and Varicospira ("beak shells")...."
Archerd Collection |
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|
Genus:
Strombus, Lambis, Terebellum, Tibia, Rimella(Varicospira
) |
|
Strombus
|
Lambis
|
Terebellum
|
Tibia
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Rimella
|
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Stombus
gigas
(Linnaeus, 1758)
to 350 mm
|
Lambis
(Lambis) lambis
(Linnaeus, 1758)
90 - 275 mm
|
Terebellum
terebellum
(Linnaeus, 1758)
32 - 75 mm
|
Tibia
(Tibia) fusus
(Linnaeus, C., 1758)
150 - 310 mm
|
Rimella
crispata
(Sowerby, G.B. I, 1842)
20 - 30 mm
|
|
Family:
Struthiolariidae
(Ostrich Foot Shells) They
are filter feeders much like bivalves!
"Ostrich Foot molluscs
are almost wholly restricted to New Zealand and parts of Australia.
They live in clean water no deeper than about 20 m. and burrow, leaving
two openings in the sand above, through which they evidently filter
feed. ..." Archerd
Collection |
|
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Struthiolaria
papulosa
(Martyn, T., 1784)
to 80 mm
|
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Genus:
Struthiolaria, Perissodonta, Tylospira |
Family:
Aporrhaidae (Pelicans Foot)
"Only seven known species of the Pelican's Foot shell have been
found, some of which are from the deep sea and rare. The Common Pelican's
Foot is found in muddy gravel. All live in cool, boreal, waters. Like
the Strombidae, (another family in the superfamily, Strombacea) the
Aporrhaidae are actively carnivorous...." Archerd
Collection |
| |
|
Aporrhais
pespelecani
(Linnaeus, C., 1758)
26- 55 mm.
|
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Genus:
Aporrhais, Drepanocheilus |
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SuperFamily:
Cypraeoidea |
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| Family:
Pediculariidae |
| |
Pedicularia californica
(Newcomb, 1864)
6 mm. |
Jenneria
pustulata
(Lightfoot, J. in Solander, 1786)
to 27 mm.
|
|
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|
Genus:
Pedicularia |
|
Family: Cypraeidae
"A very deep coating of enamel on the outer surface gives the
the shell a brilliantly polished appearance, naturally. In life, two lobes
of the cowrie's mantle extend out and over the dorsal surface of the shell,
meeting at midline, and they continually deposit enamel while protecting
the shell from abrasion. Interestingly, the mantle has a totally different
color and pattern than the shell. If startled or touched the cowrie can
suddenly change colors by withdrawing its mantle completely inside the
shell, thus confusing a predator.
Although the shell seems to be bilaterally symmetrical, the newest whorl
completely covers the previous whorls. Well developed teeth are found
on both sides of the lengthwise aperture slit. Cowries are nocturnal and
feed on algae around coral reefs. ..." Archerd
Collection
"The animals
of the Cypraeidae are nocturnal and hide in crevices during the day. Most
are herbivores, although some feed on sponges and bryozoans. The female
produces an egg mass or capsules and stays with them until they hatch
as veligers. A characteristic of this family is the mantle, which envelops
the shell entirely when the animal is in motion and often has a very different
colour from the shell...." Capricornica
|
| |
SubFamily:
Cypraeinae
"Large to very large solid shells with narrow apertures and
well pruduced, often numerous teeth which are frequently tinted. Produced
fossula usually ribbed. Dorsum mostly banded, without any tinting,
or spotted and netted in all shades. No species; however has a middorsal
blotch. YThe coloration is usually distributed evenly all over the
dorsum. Mostly shallow water species with wide distribution and several
subspecies...."
A Guide to Worldwide Cowries: by feliz Lorenze &
Alex Hubert" Page 51.
J.E. Gray (1824) Zool J., London, Vol 1 P. 71 |
|
| |
| Genus:
Cypraea, Lyncina, Mauritia, Talparia, Luria, Chelycypraea, Leporicypraea |
Cypraea
Cypraea tigris schilderiana
Cate, CN, 1961
to 150+ mm.
|
Lyncina
Lyncina lynx
(Linnaeus, 1758)
to 90 mm.
|
Talparia
Talparia) talpa
(Linnaeus, 1758)
to 106 mm.
|
Mauritia
Mauritia mauritiana
(Linnaeus, 1758)
to 130 mm.
|
Luria
Luria tessellata
(Swainson, 1822)
to 55 mm.
|
Chelycypraea
Chelycypraea testudinaria
(Linnaeus,1758)
to 145 mm.
|
Leporicypraea
Leporicypraea valentia
(Perry, 1811)
70 100 mm.
|
|
SubFamily:
Erosariinae
"The shells of Erosaria have variable shape, but are often depressed
with angular, usually distincttly pitted margins. The dorsum is covered
with spots of varialble structure, the margins are often spotted. The teethe
are rather angular, leading to a well-defined terminal ridge bordering the
outlet..."
A Guide to Worldwide Cowries: by feliz Lorenze & Alex
Hubert" Page 187
F.H. Troschel (1863) Das Gebiss der Schnecken (Berlin), Vol. 1 p. 205, 210.
|
| |
| Genus:
Naria, Pustularia, Erosaria, Monetaria, Staphylaea, Ipsa, Annepona,
Nucleolaria |
Naria
Naria irrorata
(Gray, 1828)
to 17 mm.
|
Pustularia
Pustularia mauiensis
(Burgess, 1967)
to 19 mm.
|
Erosaria
Erosaria gangranosa
(Dillwyn, 1817)
to 28 mm.
|
Monetaria
Monetaria moneta
(Linnaeus, 1758)
to 44 mm.
|
Staphylaea
Staphylaea
Staphylaea
(Linnaeus,1758)
to 29 mm.
|
Ipsa
Ipsa childreni
(Gray, 1825)
to 32 mm.
|
Annepona
Annepona mariae
(Schilder, 1927)
to 21 mm.
|
Nucleolaria
Granulata granulata
(Pease, 1862)
to 49 mm.
|
|
SubFamily:
Bernayinae
Rather large shells, solid in texture, with shell produced extremities
and callous margins. Columellar teeth usually tend to become obsolete midway,
they are comletely absent in some fossil and living species. Profusely mottled
or characteristically marked dorsum, varying in all shades of color. Bandinf
always indistinct and confuse. Fossula smooth and rather reduced. Teeth
never extend far into lips..."
A Guide to Worldwide Cowries: by feliz Lorenze & Alex
Hubert" Page 33
F.A. Schilder (1927) Arch. Naturgesch., Vol. 91/A10, p.88 |
| |
| Genus:
Zoila, Bernaya, Barycypraea |
Zoila
Zoila decipiens
(Smith, 1880)
to 70 mm.
|
Bernaya
Bernaya teulerei
(Cazanavette, 1846)
to 67 mm.
|
Barycypraea
Barycypraea fultoni
(Sowerby, 1903)
to 72 mm.
|
|
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SubFamily: Cypraeovulinae
Large group of smaller shells with variable features. Dorsum mainly
profusely mottled of regularity spotted and blotched... Most species have
a reduced and smooth fossula...."
"A Guide to Worldwide Cowries: by feliz Lorenze
& Alex Hubert" Page 33
F.A. Schilder (1927) Arch. Naturgesch., Vol. 91/A10, p.68
|
| |
Genus:
Cypraeovula,
Erronea, Umbilia, Austrocypraea, Bistolida, Notocypraea, Cribrarula, Blasicrura,
Palmadusta, Notadusta, Purpuradusta, Nesiocypraea, Chimaeria
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Cypraeovula
Cypraeovula) cruickshanki
(Kilburn, R.N., 1972)
to 34 mm.
deep water species
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Umbilia
Erronea pulchella pericalles
(Melvill & Standen 1904)
to 40 mm
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Umbilia
Umbilia capricornica Lorenz, 1989
to 94 mm.
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Austrocypraea
Austrocypraea reevei
(Sowerby I, 1832)
to51 mm.
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Bistolida
Bistolida diauges
(Melvill, J.C., 1888)
to 42 mm.
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Notocypraea
Notocypraea comptonii mayi
(Beddome, 1898)
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Cribrarula
Cypraea gaskoinii
(Reeve,1846)
to 30 mm.
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Palmadusta
Palmadusta clandestina moniliaris
(Lamarck, J.B.P.A. de, 1810)
to 26 mm.
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Notadusta
Notadusta punctata berinii
(Dautzenberg 1906)
to 22 mm.
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Purpuradusta
Purpuradusta fimbriata quasigracilis
(Lorenz, F. Jr., 1989)
to 20 mm.
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Nesiocypraea
Nesiocypraea langfordi langfordi
(Kuroda, T., 1938)
to 70 mm.
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Chimaeria
Chimaeria incomparabilis
(Briano, 1993)
to 93 mm.
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Family:
Ovulidae
(Egg Shells)
"False cowries of the Ovulidae family are members of the same superfamily,
as the Cypraeidae. They usually have smaller shells but otherwise resemble
the Cypraeidae and share similar mantle protective habits. Archerd
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Genus: Ovula,
Volva, Calpurnus, Simnia, Neosimnia, Primovula, Prosimnia, Pseudocypraea,
Pseudosimnia, Procalpurnus, Diminovula, Phenacovolva, Prionovolva, Margovula,
Dentiovula, Habruprionovolva, Kuroshiovolva, Cymbovula, Hiatavolva, Lacrima,
Labiovolva, Xandarovula, Aperiovula, Crenavolva, Serratovolva, Stohleroma,
Rotaovula, Cuspivolva, Carpiscula, Subsimnia, Simnialena, Spiculata, Dissona,
Sandalia, Aclyvolva, Turbovula, Testudovolva, Lunovula
Ovula
Ovula ovum
(Linnaeus, C., 1758)
to 96 mm.
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Volva
Volva volva
(Linnaeus, 1758)
to 134 mm.
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Calpurnus
Calpurnus
verrucosus
(Linnaeus, C., 1758)
to 35 mm.
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Simnia
Simnia rufa
(Sowerby, 1832)
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Neosimnia
Neosimnia spelta
(Linnaeus, 1758)
11 mm. up
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Primovula
Prionovolva pudica wilsoniana (Cate, 1973 )
16 mm. up
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Prosimnia
Prosimnia semperi (Weinkauff, 1881)
10 mm. up
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Pseudocypraea
Pseudocypraea adamsonii (Sowerby II, 1832)
8 mm. up
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Pseudosimnia
Pseudosimnia sinensis (Sowerby, 1874)
17 mm. up
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Procalpurnus
Procalpurnus lacteus
(Lamarck, 1810)
9 mm. up
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Diminovula
Diminovula punctata (Duclos, 1831)
7 mm. up
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Phenacovolva
Phenacovolva angasi (Reeve, 1865)
20 mm. up
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Prionovolva
Primovula formosa
(Adams & Reeve, 1848)
13 mm. up
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Margovula
Margovula schilderorum
( Cate, 1973)
19 mm
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Dentiovula
Dentiovula dorsuosa (Hinds, 1844)
11 mm. up
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Habruprionovolva
see image
Habruprionovolva manifesta
(Iredale, T., 1936)
9 mm
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Kuroshiovolva
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