Full reference: R. L. Squires. 1991. New Early Eocene Species of Arca s.s. (Mollusca: Bivalvia) from Southern California. The Veliger 34(1):67-72
Belongs to Arca (Arca) according to R. L. Squires 1991
Sister taxa: Arca (Arca) accra, Arca (Arca) filewiczi, Arca (Arca) gonzalesi, Arca (Arca) hatchetigbeensis, Arca (Arca) hawleyi, Arca (Arca) kelirensis, Arca (Arca) lomasdesamba, Arca (Arca) menengtengana, Arca (Arca) patagonica, Arca (Arca) petropolitana, Arca (Arca) santamariensis, Arca (Arca) sisquocensis, Arca (Arca) subcalcarea, Arca (Arca) suspecta, Arca (Arca) williamsoni, Arca (Arca) yaquensis
Type specimen: UCR 4667/131, a shell. Its type locality is UCR loc. 4667, near Sespe Hot Springs, which is in a Ypresian marine horizon in the Juncal Formation of California.
Ecology: stationary epifaunal suspension feeder
Distribution: found only at UCR loc. 4667, near Sespe Hot Springs
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.