Echinoidea - Arbacioida - Arbaciidae
Full reference: R. A. Linder, J. W. Durham, and W. N. Orr. 1988. New late Oligocene echinoids from the central western cascades of Oregon. Journal of Paleontology 62(6):945-958
Belongs to Arbacia according to R. A. Linder et al. 1988
Sister taxa: Arbacia dufresnii, Arbacia forbesii, Arbacia improcera, Arbacia incisa, Arbacia lixula, Arbacia nodulosa, Arbacia punctulata, Arbacia rivuli, Arbacia sloani, Arbacia spatuligera, Arbacia waccamaw
Type specimen: UCMP 39188, a test. Its type locality is Butte Creek [Abiqua Mbr, Scotts Mills Fm], which is in a Chattian shallow subtidal limestone in the Scotts Mills Formation of Oregon.
Ecology: epifaunal grazer
Distribution: found only at Butte Creek [Abiqua Mbr, Scotts Mills Fm]
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.