''Plesiothyreus'' is a
genus
Genus ( plural genera ) is a taxonomic rank used in the biological classification of living and fossil organisms as well as viruses. In the hierarchy of biological classification, genus comes above species and below family. In binomial n ...
of very small
sea snails or
limpet
Limpets are a group of aquatic snails that exhibit a conical gastropod shell, shell shape (patelliform) and a strong, muscular foot. Limpets are members of the class Gastropoda, but are polyphyletic, meaning the various groups called "limpets" ...
s,
marine gastropod mollusk
Mollusca is the second-largest phylum of invertebrate animals after the Arthropoda, the members of which are known as molluscs or mollusks (). Around 85,000 extant species of molluscs are recognized. The number of fossil species is es ...
s in the subfamily Phenacolepadinae of the
family
Family (from la, familia) is a group of people related either by consanguinity (by recognized birth) or affinity (by marriage or other relationship). The purpose of the family is to maintain the well-being of its members and of society. Idea ...
Phenacolepadidae
Phenacolepadidae is a family of small sea snails or false limpets, marine gastropod mollusks in the clade Cycloneritimorpha (according to the taxonomy of the Gastropoda by Bouchet & Rocroi, 2005).
This family has no subfamilies according to the ...
.
Species
Species within the genus ''Plesiothyreus'' include:
* ''
Plesiothyreus aculeatus''
(Pease, 1868)
* ''
Plesiothyreus arabicus
''Plesiothyreus'' is a genus of very small sea snails or limpets, marine gastropod mollusks in the subfamily Phenacolepadinae of the family Phenacolepadidae.
Species
Species within the genus ''Plesiothyreus'' include:
* '' Plesiothyreus acu ...
''
(K.H.J. Thiele, 1909 ) (synonym: ''Phenacolepas arabica''
K.H.J. Thiele, 1909)
* ''
Plesiothyreus brocki''
(Thiele, 1909)
* ''
Plesiothyreus cancellatus''
(Pease, 1861)
* ''
Plesiothyreus cinnamomeus''
(Gould, 1846)
* ''
Plesiothyreus compressus''
(Pease, 1868)
* ''
Plesiothyreus cosmanni
''Plesiothyreus'' is a genus of very small sea snails or limpets, marine gastropod mollusks in the subfamily Phenacolepadinae of the family Phenacolepadidae.
Species
Species within the genus ''Plesiothyreus'' include:
* '' Plesiothyreus acu ...
''
Jousseaume, 1894
* ''
Plesiothyreus cytherae''
(Lesson, 1831)
* ''
Plesiothyreus elongatus''
(Thiele, 1909)
* ''
Plesiothyreus evansi''
(Biggs, 1973)
* ''
Plesiothyreus fischeri''
(Rochebrune, 1882)
* ''
Plesiothyreus galathea''
(J.B.P.A. Lamarck, 1819) (synonym: ''Phenacolepas galathea''
(J.B.P.A. Lamarck, 1819)
* ''
Plesiothyreus granocostatus
''Plesiothyreus'' is a genus of very small sea snails or limpets, marine gastropod mollusks in the subfamily Phenacolepadinae of the family Phenacolepadidae.
Species
Species within the genus ''Plesiothyreus'' include:
* '' Plesiothyreus aculea ...
''
(Pease, 1868)
* ''
Plesiothyreus granulosus''
(Thiele, 1909)
* ''
Plesiothyreus guttatus''
(Thiele, 1909)
* ''
Plesiothyreus hamillei''
(P. Fischer, 1857)
* ''
Plesiothyreus indicus
''Plesiothyreus'' is a genus of very small sea snails or limpets, marine gastropod mollusks in the subfamily Phenacolepadinae of the family Phenacolepadidae.
Species
Species within the genus ''Plesiothyreus'' include:
* '' Plesiothyreus aculea ...
''
(Thiele, 1909)
* ''
Plesiothyreus malonei
''Plesiothyreus'' is a genus of very small sea snails or limpets, marine gastropod mollusks in the subfamily Phenacolepadinae of the family Phenacolepadidae.
Species
Species within the genus ''Plesiothyreus'' include:
* '' Plesiothyreus aculea ...
''
(Vanatta, 1912)
* ''
Plesiothyreus newtoni
''Plesiothyreus'' is a genus of very small sea snails or limpets, marine gastropod mollusks in the subfamily Phenacolepadinae of the family Phenacolepadidae.
Species
Species within the genus ''Plesiothyreus'' include:
* '' Plesiothyreus aculea ...
''
G. B. Sowerby III, 1894
* ''
Plesiothyreus omanensis
''Plesiothyreus'' is a genus of very small sea snails or limpets, marine gastropod mollusks in the subfamily Phenacolepadinae of the family Phenacolepadidae.
Species
Species within the genus ''Plesiothyreus'' include:
* '' Plesiothyreus aculea ...
''
(Biggs, 1973)
* ''
Plesiothyreus pararabicus
''Plesiothyreus'' is a genus of very small sea snails or limpets, marine gastropod mollusks in the subfamily Phenacolepadinae of the family Phenacolepadidae.
Species
Species within the genus ''Plesiothyreus'' include:
* '' Plesiothyreus aculea ...
''
(Christiaens, 1988)
* † ''
Plesiothyreus parmophoroides
''Plesiothyreus'' is a genus of very small sea snails or limpets, marine gastropod mollusks in the subfamily Phenacolepadinae of the family Phenacolepadidae.
Species
Species within the genus ''Plesiothyreus'' include:
* '' Plesiothyreus aculea ...
''
(Cossmann, 1885)
* ''
Plesiothyreus peelae''
Christiaens, 1989
* † ''
Plesiothyreus pliocenicus''
(Chirli, 2004)
* ''
Plesiothyreus puntarenae
''Plesiothyreus'' is a genus of very small sea snails or limpets, marine gastropod mollusks in the subfamily Phenacolepadinae of the family Phenacolepadidae.
Species
Species within the genus ''Plesiothyreus'' include:
* '' Plesiothyreus acu ...
''
(Mörch, 1860)
* ''
Plesiothyreus radiatus''
(Schepman, 1908)
* ''
Plesiothyreus reticulatus''
(Thiele, 1909)
* ''
Plesiothyreus scobinatus
''Plesiothyreus'' is a genus of very small sea snails or limpets, marine gastropod mollusks in the subfamily Phenacolepadinae of the family Phenacolepadidae.
Species
Species within the genus ''Plesiothyreus'' include:
* '' Plesiothyreus aculea ...
''
(A. Gould, 1859)
;Species brought into synonymy:
* ''Plesiothyreus asperulatus''
(A. Adams, 1854): synonym of ''Phenacolepas galathea''
(Lamarck, 1819): synonym of ''
Zacalantica galathea
''Zacalantica galathea'' is a species of sea snail, a marine gastropod mollusk in the family Phenacolepadidae.MolluscaBase eds. (2022). MolluscaBase. Zacalantica galathea (Lamarck, 1819). Accessed through: World Register of Marine Species at ...
'' (Lamarck, 1819) (based on nomen nudum)
* ''Plesiothyreus cosmani''
Jousseaume, 1894: synonym of ''Plesiothyreus cossmanni'' J
ousseaume, 1894 (incorrect original spelling)
* ''Plesiothyreus rushii''
(Dall, 1889):
synonym of ''
Hyalopatina rushii
''Hyalopatina rushii'' is a species of very small sea snail, a limpet, a marine gastropod mollusk in the family Phenacolepadidae.MolluscaBase (2019). MolluscaBase. Hyalopatina rushii (Dall, 1889). Accessed through: World Register of Marine Spec ...
''
(Dall, 1889)
* ''Plesiothyreus gruveli''
(Dautzenberg, 1929) (uncertain > taxon inquirendum)
References
External links
Cossmann M. (1886–1913). Catalogue illustré des coquilles fossiles de l'Eocène des environs de Paris. Annales de la Société Royale Malacologique de Belgique. Part 1: vol. 21 [1886]. Part 2: vol. 22 [1887]. Part 3: vol. 23 [1888]. Part 4: vol. 24 [1889]. Part 5 + Suppl. : vol. 26Pilsbry H.A. (1891). On the use of the generic name Scutellina. The Nautilus. 5(8): 88–89Broderip W.J. (1834). Description of a new genus of Gasteropoda. Proceedings of the Zoological Society of London. 2: 47–49Iredale, T. (1929). Queensland molluscan notes, no. 1. Memoirs of the Queensland Museum. 9(3): 261–297, pls 30–31Fukumori H., Yahagi T., Warén A. & Kano Y. (2019). Amended generic classification of the marine gastropod family Phenacolepadidae: transitions from snails to limpets and shallow-water to deep-sea hydrothermal vents and cold seeps. Zoological Journal of the Linnean Society. 185(3): 636–655
Phenacolepadidae
{{Phenacolepadidae-stub