Perrierina

Perrierina
Temporal range: 5.33–Recent Ma
Perrierina insulana
Scientific classification Edit this classification
Kingdom: Animalia
Phylum: Mollusca
Class: Bivalvia
Family: Cyamiidae
Genus: Perrierina
F. Bernard, 1897
Type species
Perrierina taxodonta F. Bernard, 1897
Synonyms
  • Perrierina (Perrierina) F. Bernard, 1897

Perrierina is a genus of marine bivalve molluscs of the family Cyamiidae. Members of the genus are found in the waters of New Zealand, Australia and Antarctica.

Description

Members of Perrierina have small, thin shells that are transversely-ovate and inequilateral (the anterior side being significantly shorter). The genus has a cap-shaped prodissoconch and shallow hinge plates, that have pairs of small cardinals in each valve.

Taxonomy

The genus was first described in 1897 by Félix Bernard. The genus was originally monotypic, only including P. taxodonta, until 1928 when P. ovata was described.

Distribution

Perrierina is primarily found in the waters of New Zealand, with additional species known to occur in south-eastern Australia and Antarctica. The earliest currently known fossils of the genus, Perrierina sola, date to the Opoitian stage of the Pliocene in New Zealand (approximately 5.33 million years ago), with similarly aged fossils found on King George Island of the South Shetland Islands.

Species

Species within the genus Perrierina include:

References

  1. 1 2 3 Perrierina F. Bernard, 1897. Retrieved through: World Register of Marine Species on 10 February 2026.
  2. ↑ Powell, A.W.B. (1979). New Zealand Mollusca: Marine, Land and Freshwater Shells. Auckland: Collins. p. 401. ISBN 0002169061.
  3. ↑ Bernard, Félix (1898). "Sur quelques coquilles de Lamellibranches de l'ile Stewart". Bulletin du Muséum d'histoire naturelle (in French). 3: 309–314. doi:10.5962/bhl.part.19262. Wikidata Q56010742.
  4. ↑ Powell, Arthur William Baden (1933). "New species of marine Mollusca from the subantarctic islands of New Zealand" (PDF). Proceedings of the Malacological Society of London. 20 (5): 232–236. doi:10.1093/oxfordjournals.mollus.a064194. Wikidata Q90812466.
  5. ↑ "Perrierina". Biota of New Zealand. Manaaki Whenua. Retrieved 24 February 2026.
  6. ↑ "Perrierina F.Bernard, 1897". Global Biodiversity Information Facility. Retrieved 24 February 2026.
  7. ↑ "Genus Perrierina Bernard, 1897". Australian Faunal Directory. Australian Government. Retrieved 24 February 2026.
  8. 1 2 Gaździcki, Andrzej; Pugaczewska, Halina (January 1984). "Biota of the "Pecten Conglomerate" (Polonez Cove Formation, Pliocene) of King George Island (South Shetland Islands, Antarctica)". Studia Geologica Polonica. 79: 59–120.
  9. ↑ Maxwell, P.A. (2009). "Cenozoic Mollusca". In Gordon, D.P. (ed.). New Zealand Inventory of Biodiversity. Volume one. Kingdom Animalia: Radiata, Lophotrochozoa, Deuterostomia. Christchurch: Canterbury University Press. p. 236. ISBN 978-1-877257-72-8.