Protocardia is an extinct genus of saltwater clams, marine bivalve mollusks in the subfamily Protocardiinae of the family Cardiidae, the cockles.
Read more on WikipediaOccurrences by Geologic Period
Temporal Range
Geographic Distribution
Classification Summary
By Phylum
| Mollusca | 1,000 |
By Class
| Bivalvia | 1,000 |
By Environment
No data.