Plesiothyreus

Plesiothyreus is a genus of very small sea snails or limpets, marine gastropod mollusks in the family Phenacolepadidae.[2]

Plesiothyreus
Scientific classification
Kingdom:	Animalia
Phylum:	Mollusca
Class:	Gastropoda
(unranked):	clade Neritimorpha clade Cycloneritimorpha
Superfamily:	Neritoidea
Family:	Phenacolepadidae
Genus:	Plesiothyreus Cossmann, 1888[1]
Synonyms
Cinnalepeta Iredale, 1929 Phenacolepas Pilsbry, 1891 Pileopsis (Scutellina) Scutella Broderip, 1834 (Invalid: junior homonym of Scutella Lamarck, 1816 [Echinodermata]; Scutellina and Phenacolepas are replacement names) Scutellina Gray, 1847 (Invalid: junior homonym of Scutellina Agassiz, 1841 [Echinodermata]; Phenacolepas is a replacement name) Scutulina Cossmann, 1912

This genus has become a synonym of Plesiothyreus Cossmann, 1888

Species

Species within the genus Plesiothyreus include:

• Plesiothyreus arabica
• Plesiothyreus asperulatus (A. Adams, 1854)
• Plesiothyreus cinnamomeus (Gould, 1846)
• Plesiothyreus cosmanniJousseaume, 1894
• Plesiothyreus cytherae (Lesson, 1831)
• Plesiothyreus elongata
• Plesiothyreus galathea
• Plesiothyreus hamillei (P. Fischer, 1857)[3]
• Plesiothyreus newtoni G. B. Sowerby III, 1894
• Plesiothyreus pararabica
• † Plesiothyreus parmophoroides (Cossmann, 1885)
• Plesiothyreus peelae
• † Plesiothyreus pliocenicus (Chirli, 2004)

Species brought into synonymy

• Plesiothyreus rushii (Dall, 1889):[4] synonym of Hyalopatina rushii (Dall, 1889)

References

1. Cossmann (1888). Ann. Soc. malac. Belgique 23: 191.
2. Plesiothyreus . Retrieved through: World Register of Marine Species on 4 May 2010.
3. Plesiothyreus hamillei (P. Fischer, 1857). Retrieved through: World Register of Marine Species on 4 May 2010.
4. Plesiothyreus rushii (Dall, 1889). Retrieved through: World Register of Marine Species on 4 May 2010.

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. 26
• Pilsbry H.A. (1891). On the use of the generic name Scutellina. The Nautilus. 5(8): 88–89
• Broderip W.J. (1834). Description of a new genus of Gasteropoda. Proceedings of the Zoological Society of London. 2: 47–49
• Iredale, T. (1929). Queensland molluscan notes, no. 1. Memoirs of the Queensland Museum. 9(3): 261–297, pls 30–31
• Fukumori 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