Full reference: W. L. Effinger. 1938. The Gries Ranch Fauna (Oligocene) of Western Washington. Journal of Paleontology 12(4):355-390
Belongs to Barbatia (Acar) according to P. W. Reinhart 1943
See also Effinger 1938
Sister taxa: Acar bailyi, Acar celleporacea, Acar congenita, Acar domingensis, Acar lamellosa, Acar plicata, Acar rostrae, Acar sandersonae, Arca (Acar) cheribonensis, Arca (Acar) pusilla, Barbatia (Acar) aspera, Barbatia (Acar) bailyi, Barbatia (Acar) dentiens, Barbatia (Acar) gradata, Barbatia (Acar) micronodosa, Barbatia (Acar) trapeziformis
Type specimen: UCMP 33504
Ecology: stationary epifaunal suspension feeder
Distribution: found only at UCMP 3607 - South bank of Cowlitz River at old Gries Ranch (Eocene of Washington)
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.