†Anteridocus bicostatus Cooper and Grant 1976 (lamp shell)
Rhynchonellata - Rhynchonellida - Pontisiidae
Full reference: G. A. Cooper and R. E. Grant. 1976. Permian Brachiopods from West Texas, IV. Smithsonian Contributions to Paleobiology 21:1923-2607
Belongs to Anteridocus according to G. A. Cooper and R. E. Grant 1976
Sister taxa: Anteridocus erugatus, Anteridocus eximius, Anteridocus gongylus, Anteridocus paucicostatus, Anteridocus seminudus, Anteridocus subcarinatus, Anteridocus swallovianus, Anteridocus triangulatus
Type specimen: USNM 152842a, a shell (Articulated shell)
Ecology: stationary epifaunal suspension feeder
Average measurements (in mm): shell 8.03 x 9.73