Bivalvia - Arcida - Cucullaeidae
Alternative combination: Arca (Arca) leptogrammica
Full reference: C. A. Hall, Jr. 1964. Arca (Arca) leptogrammica, a New Late Tertiary Pelecypod From the San-Luis-Obispo Region, California. Journal of Paleontology 38(1):87-88
Belongs to Tetrarca according to G. Vermeij and K. Amano 2021
See also Hall 1964 and Moore 1983
Sister taxa: Tetrarca acuminata, Tetrarca boucardi, Tetrarca fernandezensis, Tetrarca sisquocensis, Tetrarca tetragona, Tetrarca washingtoniana
Type specimen: UCLA 34997, a shell. Its type locality is UCLA loc. 4180, which is in a Miocene marine sandstone in the Santa Margarita Formation of California.
Distribution: found only at UCLA loc. 4180
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.