''Meioceras'' is a
genus
Genus (; : genera ) is a taxonomic rank above species and below family (taxonomy), family as used in the biological classification of extant taxon, living and fossil organisms as well as Virus classification#ICTV classification, viruses. In bino ...
of minute
sea snail
Sea snails are slow-moving marine (ocean), marine gastropod Mollusca, molluscs, usually with visible external shells, such as whelk or abalone. They share the Taxonomic classification, taxonomic class Gastropoda with slugs, which are distinguishe ...
s,
marine gastropod
Gastropods (), commonly known as slugs and snails, belong to a large Taxonomy (biology), taxonomic class of invertebrates within the phylum Mollusca called Gastropoda ().
This class comprises snails and slugs from saltwater, freshwater, and fro ...
mollusk
Mollusca is a phylum of protostomic invertebrate animals, whose members are known as molluscs or mollusks (). Around 76,000 extant species of molluscs are recognized, making it the second-largest animal phylum after Arthropoda. The ...
s or
micromollusk
A micromollusc is a shelled mollusc which is extremely small, even at full adult size. The word is usually, but not exclusively, applied to marine molluscs, although in addition, numerous species of land snails and freshwater molluscs also ...
s in the
family
Family (from ) is a Social group, group of people related either by consanguinity (by recognized birth) or Affinity (law), affinity (by marriage or other relationship). It forms the basis for social order. Ideally, families offer predictabili ...
Caecidae
Caecidae is a taxonomic family of minute sea snails or micromolluscs, marine gastropod molluscs in the order Littorinimorpha.Bouchet, P.; Gofas, S. (2013). Caecidae. Accessed through: World Register of Marine Species at http://www.marinespecies ...
.
Species
Species within the genus ''Meioceras'' include:
* ''
Meioceras cornucopiae'' Carpenter, 1858
* ''
Meioceras cubitatum
''Meioceras cubitatum'' is a species of small sea snail, a marine gastropod mollusk or micromollusk in the family Caecidae.
Distribution
Description
The maximum recorded shell
Shell may refer to:
Architecture and design
* Shell (structure) ...
'' Folin, 1868
* † ''
Meioceras mateldae''
Selli, 1974
* ''
Meioceras nitidum
''Meioceras nitidum'' is a species of small sea snail, a marine gastropod mollusk or micromollusk in the family Caecidae.
Distribution
Western Atlantic: North America.
Description
The maximum recorded shell
Shell may refer to:
Architectur ...
''
(Stimpson, 1851)
* ''
Meioceras tumidissimum
''Meioceras'' is a genus of minute sea snails, marine gastropod mollusks or micromollusks in the family Caecidae.
Species
Species within the genus ''Meioceras'' include:
* '' Meioceras cornucopiae'' Carpenter, 1858
* ''Meioceras cubitatum'' F ...
''
de Folin, 1869
; Species brought into synonymy:
* ''Meioceras bermudezi''
Pilsbry & Aguayo, 1934: synonym of ''Meioceras cornucopiae''
Carpenter, 1859
* ''Meioceras bitumidum''
de Folin, 1869: synonym of ''Meioceras nitidum''
(Stimpson, 1851)
* ''Meioceras boucheti''
Pizzini & Raines, 2011: synonym of ''
Mauroceras boucheti
''Mauroceras'' is a genus of minute sea snails, marine gastropod mollusks or micromollusks in the family Caecidae.MolluscaBase eds. (2021). MolluscaBase. Mauroceras Vannozzi, 2019. Accessed through: World Register of Marine Species at: https://w ...
''
(Pizzini & Raines, 2011) (original combination)
* ''Meioceras carpenteri''
de Folin, 1869: synonym of ''Meioceras nitidum''
(Stimpson, 1851)
* ''Meioceras cingulatum''
Dall, 1892: synonym of ''Meioceras nitidum''
(Stimpson, 1851)
* ''Meioceras constrictum''
Pilsbry & Aguayo, 1933: synonym of ''Meioceras cornucopiae''
Carpenter, 1859
* ''Meioceras contractum''
de Folin, 1874: synonym of ''Meioceras nitidum''
(Stimpson, 1851)
* ''Meioceras cornubovis''
Carpenter, 1859: synonym of ''Meioceras cornucopiae''
Carpenter, 1859
* ''Meioceras coxi''
de Folin, 1869: synonym of ''Meioceras nitidum''
(Stimpson, 1851)
* ''Meioceras crossei''
de Folin, 1869: synonym of ''Meioceras nitidum''
(Stimpson, 1851)
* ''Meioceras deshayesi''
de Folin, 1869: synonym of ''Meioceras nitidum''
(Stimpson, 1851)
* ''Meioceras fischeri''
de Folin, 1870: synonym of ''Meioceras nitidum''
(Stimpson, 1851)
* ''Meioceras imiklis''
de Folin, 1870: synonym of ''Meioceras nitidum''
(Stimpson, 1851)
* ''Meioceras kajiyamai''
Habe, 1963: synonym of ''
Mauroceras kajiyamai
''Mauroceras'' is a genus of minute sea snails, marine gastropod mollusks or micromollusks in the family Caecidae.MolluscaBase eds. (2021). MolluscaBase. Mauroceras Vannozzi, 2019. Accessed through: World Register of Marine Species at: https://w ...
''
(Habe, 1963) (original combination)
* ''Meioceras legumen''
(Hedley, 1899): synonym of ''
Mauroceras legumen
''Mauroceras'' is a genus of minute sea snails, marine gastropod mollusks or micromollusks in the family Caecidae.MolluscaBase eds. (2021). MolluscaBase. Mauroceras Vannozzi, 2019. Accessed through: World Register of Marine Species at: https://w ...
''
(Hedley, 1899)
* ''Meioceras leoni''
Bérillon, 1874: synonym of ''Meioceras nitidum''
(Stimpson, 1851)
* ''Meioceras mariae''
de Folin, 1881: synonym of ''Meioceras cornucopiae''
Carpenter, 1859
* ''Meioceras moreleti''
de Folin, 1869: synonym of ''Meioceras nitidum''
(Stimpson, 1851)
* ''Meioceras rhinoceros''
Pizzini, Raines & Vannozzi, 2013: synonym of ''
Mauroceras rhinoceros
''Mauroceras'' is a genus of minute sea snails, marine gastropod mollusks or micromollusks in the family Caecidae
Caecidae is a taxonomic family of minute sea snails or micromolluscs, marine gastropod molluscs in the order Littorinimorpha.B ...
''
(Pizzini, Raines & Vannozzi, 2013) (original combination)
* ''Meioceras sandwichense''
de Folin, 1881: synonym of ''
Mauroceras sandwichense''
(de Folin, 1881) (original combination)
* ''Meioceras subinflexum''
de Folin, 1869: synonym of ''Meioceras nitidum''
(Stimpson, 1851)
* ''Meioceras tenerum''
de Folin, 1869: synonym of ''Meioceras cubitatum''
de Folin, 1868
* ''Meioceras undulosum''
de Folin, 1869: synonym of ''Meioceras nitidum''
(Stimpson, 1851)
References
External links
Pizzini M., Raines B. & Vannozzi A. (2013) ''The family Caecidae in the South-West Pacific (Gastropoda: Rissooidea).'' Bollettino Malacologico, 49 (suppl. 10): 1-78
Caecidae
Gastropod genera
{{Caecidae-stub