†Isorthis (Protocortezorthis) Walmsley and Boucot 1975 (lamp shell)
Rhynchonellata - Orthida - Dalmanellidae
Full reference: V. G. Walmsley and A. J. Boucot. 1975. The Phylogeny, Taxonomy and Biogeography of Silurian and Early to Mid Devonian Isorthinae (Brachiopoda). Palaeontographica Abteilung A A148(1-3):34-108
Parent taxon: Isorthis according to V. G. Walmsley and A. J. Boucot 1975
Sister taxa: Isorthis (Arcualla), Isorthis (Isorthis), Isorthis (Ovalella), Isorthis alpha, Isorthis bailyi, Isorthis crassa, Isorthis estona, Isorthis festiva, Isorthis loveni, Isorthis mediocra, Isorthis parvulus, Isorthis pygmaea, Isorthis slitensis
Subtaxa: none
Ecology: stationary epifaunal suspension feeder
Distribution: