Bivalvia - Cardiida - Mactridae
Alternative combinations: Lutraria (Cryptodon) nuttallii, Schizothaerus nuttalli, Schizothaerus nuttallii, Tresus nuttalli
Belongs to Tresus according to A. Hendy 2021
See also Addicott 1966, Ashley 1895, Coan et al. 2000, Conrad 1855, Moore 2003, Valentine 1957 and Woodring and Bramlette 1950
Sister taxa: Tresus capax, Tresus pajaroanus, Tresus saxadomoides, Schizothaerus trapezoides
Type specimen: Its type locality is Recent Formation, San Pedro [of Conrad, 1855], which is in a Pleistocene coastal sandstone in the Palos Verdes Sand Formation of California
Ecology: facultatively mobile infaunal suspension feeder
Distribution:
• Quaternary of Mexico (7 collections), United States (77: California, Washington)
• Pliocene to Pleistocene of United States (3: California)
• Pliocene of United States (32: California)
• Miocene to Pliocene of United States (10: California)
• Miocene of United States (9: California)
Total: 138 collections each including a single occurrence
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.