Conocardium

Conocardium is an extinct genus of Rostroconchian mollusk. Its shell-mouth grew to be 2 - 3 in 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 (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