Laevicardium

Laevicardium, common name "egg cockles", is a genus of saltwater clams or cockles, marine bivalve molluscs in the family Cardiidae, the cockles.[1] They are unusual among the cockles in that they have smooth, rounded, "egg-like" valves.

Laevicardium
A whole preserved specimen of Laevicardium oblongum
Scientific classification
Kingdom: Animalia
Phylum: Mollusca
Class: Bivalvia
Subclass: Heterodonta
Order: Cardiida
Family: Cardiidae
Genus: Laevicardium
Swainson, 1840

Species

There are 33 species in Laevicardium:[2]

  • Laevicardium attenuatum
  • Laevicardium biradiatum
  • Laevicardium brasilianum
  • Laevicardium castaneum
  • Laevicardium clarionense
  • Laevicardium compressum
  • Laevicardium crassum
  • Laevicardium decorticatum
  • Laevicardium elatum
  • Laevicardium etheringtoni
  • Laevicardium gorgasi
  • Laevicardium laevigatum (Linnaeus, 1758) — egg cockle
  • Laevicardium leptorimum
  • Laevicardium lobulatum
  • Laevicardium lyratum
  • Laevicardium mortoni (Conrad, 1830) — Morton's egg cockle
  • Laevicardium multipunctatum
  • Laevicardium nemo
  • Laevicardium nemocardiforme
  • Laevicardium oblongum
  • Laevicardium parisiense
  • Laevicardium parkinsoni
  • Laevicardium pedernalense
  • Laevicardium pictum (Ravenel, 1861) — Ravenel's egg cockle
  • Laevicardium pristis
  • Laevicardium rudentis
  • Laevicardium serratum
  • Laevicardium substriatum
  • Laevicardium sybariticum (Dall, 1886) — Dall's egg cockle
  • Laevicardium tegalense
  • Laevicardium tenuisulcatum
  • Laevicardium tertium
  • Laevicardium tristiculum
  • Laevicardium venustulum

References
  1. Abbott, R.T. & Morris, P.A. A Field Guide to Shells: Atlantic and Gulf Coasts and the West Indies. New York: Houghton Mifflin, 1995. 58-59.
  2. "Laevicardium Swainson, 1840". Species. GBIF. Retrieved 2015-02-28.


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