Bivalvia - Cardiida - Veneridae
Alternative spellings: Paphia (Callithaca), Protothaca (Callithaca)
Synonym: Protocallithaca Nomura 1937
Parent taxon: Venerinae according to E. V. Coan and P. Valentich-Scott 2012
See also Coan et al. 2000, Sepkoski 2002 and Waterfall 1929
Sister taxa: Antigona, Artena, Chione, Chioneryx, Chionista, Chionopsis, Circomphalus, Clausinella, Dosina, Dosiniini, Globivenus, Humilaria, Iliochione, Irusella, Kuia, Leukoma, Marama, Melosia, Mercenaria, Paphonotia, Paraesa, Periglypta, Proxichione, Tapetini, Tawera, Turia, Venerini, Venus, Timoclea, Nioche, Placamen, Lirophora, Austrovenus, Ameghinomya, Hinemoana, Bassina, Anomalocardia
Subtaxa: Callithaca adamsi Callithaca tenerrima
Ecology: facultatively mobile infaunal suspension feeder
Distribution:
• Quaternary of Japan (1 collection), United States (30: California, Washington)
• Pliocene to Pleistocene of United States (1: California)
• Pliocene of Mexico (1), the Russian Federation (2), United States (7: California)
• Miocene to Pliocene of United States (6: California)
• Miocene of Japan (1), the Russian Federation (2), United States (9: California)
• Eocene of Haiti (1)
Total: 61 collections each including a single occurrence
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.