Article · Wikipedia archive · Last revised Jun 17, 2026

Protocardia

Protocardia is an extinct genus of saltwater clams, marine bivalve mollusks in the subfamily Protocardiinae of the family Cardiidae, the cockles.

Last revised
Jun 17, 2026
Read time
≈ 1 min
Length
117 w
Citations
2
Source
Protocardia
Temporal range:
Scientific classification Edit this classification
Kingdom: Animalia
Phylum: Mollusca
Class: Bivalvia
Order: Cardiida
Family: Cardiidae
Genus: Protocardia

Protocardia is an extinct genus of saltwater clams, marine bivalve mollusks in the subfamily Protocardiinae of the family Cardiidae, the cockles.1

The internal anatomy of individuals in this genus is sometimes preserved in phosphate.2

References

References

  1. Schneider, S.; Fürsich, F. T.; Werner, W. (2010). "Marking the Kimmeridgian-Tithonian transition with a bivalve – Protocardia gigantea sp. Nov. (Bivalvia: Cardiidae) and its relatives from the Lusitanian Basin (Portugal)". Neues Jahrbuch für Geologie und Paläontologie - Abhandlungen. 258: 167. doi:10.1127/0077-7749/2010/0093.
  2. Wilby, P. R.; Whyte, M. A. (1995). "Phosphatized soft tissues in bivalves from the Portland Roach of Dorset (Upper Jurassic)". Geological Magazine. 132: 117. doi:10.1017/S001675680001147X.