''Plesiothyreus'' 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 very small
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 or
limpet
Limpets are a group of aquatic snails with a conical gastropod shell, shell shape (patelliform) and a strong, muscular foot. This general category of conical shell is known as "patelliform" (dish-shaped). Existing within the class Gastropoda, ...
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 in the subfamily Phenacolepadinae of 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 ...
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 th ...
.
Species
Species within the genus ''Plesiothyreus'' include:
* ''
Plesiothyreus aculeatus''
(Pease, 1868)
* ''
Plesiothyreus arabicus''
(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''
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''
(Pease, 1868)
* ''
Plesiothyreus granulosus''
(Thiele, 1909)
* ''
Plesiothyreus guttatus''
(Thiele, 1909)
* ''
Plesiothyreus hamillei''
(P. Fischer, 1857)
* ''
Plesiothyreus indicus''
(Thiele, 1909)
* ''
Plesiothyreus malonei''
(Vanatta, 1912)
* ''
Plesiothyreus newtoni''
G. B. Sowerby III, 1894
* ''
Plesiothyreus omanensis''
(Biggs, 1973)
* ''
Plesiothyreus pararabicus''
(Christiaens, 1988)
* † ''
Plesiothyreus parmophoroides''
(Cossmann, 1885)
* ''
Plesiothyreus peelae''
Christiaens, 1989
* † ''
Plesiothyreus pliocenicus''
(Chirli, 2004)
* ''
Plesiothyreus puntarenae''
(Mörch, 1860)
* ''
Plesiothyreus radiatus''
(Schepman, 1908)
* ''
Plesiothyreus reticulatus''
(Thiele, 1909)
* ''
Plesiothyreus scobinatus''
(A. Gould, 1859)
;Species brought into synonymy:
* ''Plesiothyreus asperulatus''
(A. Adams, 1854): synonym of ''Phenacolepas galathea''
(Lamarck, 1819): synonym of ''
Zacalantica galathea'' (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''
(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