Strophomenata - Billingsellida - Polytoechiidae
Full reference: E. O. Ulrich and G. A. Cooper. 1936. New Genera and Species of Ozarkian and Canadian Brachiopods. Journal of Paleontology 10(7):616-631
Parent taxon: Tritoechia according to E. O. Ulrich and G. A. Cooper 1936
Sister taxa: Tritoechia (Parvitritoechia), Tritoechia alta, Tritoechia billingsi, Tritoechia careyi, Tritoechia crassa, Tritoechia delicatula, Tritoechia florentinensis, Tritoechia karmbergensis, Tritoechia kendyktasica, Tritoechia lewisi, Tritoechia mollesensis, Tritoechia quebecensis, Tritoechia sinuata, Tritoechia tokmakensis, Tritoechia typica
Subtaxa: Tritoechia (Tritoechia) prima
Ecology: stationary epifaunal suspension feeder
Distribution:
• Tremadoc of Argentina (3 collections)
Total: 3 collections each including a single occurrence