ammonites
Protothaca (Notochione) Hertlein and Strong 1948 (venus clam)

Bivalvia - Cardiida - Veneridae

Alternative spelling: Notochione

Parent taxon: Protothaca according to J. A. Todd 2001

Sister taxa: Protothaca (Antinioche), Protothaca (Callithaca), Protothaca (Leukoma), Protothaca (Protothaca), Protothaca (Tropithaca)

Subtaxa: none

Ecology: facultatively mobile infaunal suspension feeder