Strophomenata - Billingsellida - Billingsellidae
Full reference: C. D. Walcott. 1905. Cambrian Brachiopoda with descriptions of new genera and species. Proceedings of the United States National Museum 28(1395):227-337
Parent taxon: Billingsella according to C. D. Walcott 1905
See also Sepkoski 2002, Walcott 1912 and Williams et al. 2000
Sister taxa: Billingsella aliena, Billingsella anomala, Billingsella appalachia, Billingsella bivia, Billingsella coloradoensis, Billingsella corrugata, Billingsella costata, Billingsella dice, Billingsella exporrecta, Billingsella hicksi, Billingsella holtedahli, Billingsella lindstromi, Billingsella major, Billingsella marion, Billingsella obscura, Billingsella orientalis, Billingsella perfecta, Billingsella plicatella, Billingsella pumpellyi, Billingsella rectangulata, Billingsella richthofeni, Billingsella saffordi, Billingsella salemensis, Billingsella seletensis, Billingsella striata, Billingsella tonkiniana, Billingsella uniplicata, Billingsella whitfieldi
Subtaxa: Billingsella (Otusia) sandbergi
Type: Orthis sandbergi
Ecology: stationary epifaunal suspension feeder
Distribution: there are no occurrences of Billingsella (Otusia) in the database