Article · Wikipedia archive · Last revised Jun 6, 2026

Conocardium

Conocardium is an extinct genus of Rostroconchian mollusk. Its shell-mouth grew to be 2–3 inches (51–76 mm) across. It fed on tiny plants and animals in the water. Fossils have been found all over the world from Ordovician to Permian formations.

Last revised
Jun 6, 2026
Read time
≈ 1 min
Length
223 w
Citations
3
Source
Conocardium
Temporal range: Late Ordovician-Late Permian
~
Conocardium konincki
Scientific classification Edit this classification
Kingdom: Animalia
Phylum: Mollusca
Class: Rostroconchia
Order: Conocardiida
Family: Conocardiidae
Genus: Conocardium
Bronn 1835
Type species
Cardium aliforme

Conocardium is an extinct genus of Rostroconchian mollusk. Its shell-mouth grew to be 2–3 inches (51–76 mm) across. It fed on tiny plants and animals in the water. Fossils have been found all over the world from Ordovician to Permian formations.2

Species

The following species have been described:2

  • C. acadianum
  • C. aliforme (type)
  • C. altum
  • C. aquisgranense
  • C. armatum
  • C. cresswelli
  • C. decussatum
  • C. denticulatum
  • C. elongatum
  • C. eximum
  • C. ferox
  • C. formosum
  • C. frater
  • C. fusiforme
  • C. gogoensis
  • C. gympiense
  • C. hainense
  • C. immatura
  • C. incarceratum
  • C. inceptum
  • C. inflatum
  • C. konincki
  • C. longipennis
  • C. lyelli
  • C. nexile
  • C. oehlerti
  • C. philipsii
  • C. plinthinatus
  • C. prunum
  • C. pseudobellum
  • C. regulare
  • C. renardi
  • C. retusum
  • C. richmondense
  • C. securiforme
  • C. sowerbyi
  • C. spinalatum
  • C. tripartitum
  • C. truncata
  • C. truncatum
  • C. uralicum
  • C. ventriculosum
  • C. villmarense
References

References

  1. Michael R. W. Amler & Nicole S. Rogalla (2004). "History and nomenclature of the Conocardioidea (Mollusca: Rostroconchia)". Paläontologische Zeitschrift. 78 (2): 307–322. doi:10.1007/BF03009228.
  2. Conocardium at Fossilworks.org
Further reading

Further reading

  • Dinosaurs to Dodos: An Encyclopedia of Extinct Animals by Don Lessem and Jan Sovak
  • Parker, Steve. Dinosaurus: the complete guide to dinosaurs. Firefly Books Inc, 2003. Pg. 40