Conocardium
Conocardium is an extinct genus of Rostroconchian mollusk. Its shell-mouth grew to be across. It fed on tiny plants and animals in the water. Fossils have been found all over the world from Ordovician to Permian formations.
Species
The following species have been described:- C. acadianum
- C. aliforme
- 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''