| Petricola pholadiformis Lamarck, 1818 American piddock | 
|   | 
| photo by 
	Harvey-Clark, Chris | 
| Family: | Veneridae (venus clams) | |||
| Max. size: | 6 cm TL (male/unsexed) | |||
| Environment: | benthic; marine | |||
| Distribution: | Atlantic and Mediterranean Sea: USA, Greece and North America. Subtropical. | |||
| Diagnosis: | ||||
| Biology: | From littoral rocks, sediments and other hard substrata (Ref. 1314). | |||
| IUCN Red List Status: | Not Evaluated (N.E.) Ref. 123251) | |||
| Threat to humans: | ||||
| Country info: |  | |||