†subclass Pygocaulia Thomson 1927 (lamp shell)
Parent taxon: Brachiopoda according to Thomson 1927
Sister taxa: Acanthotretella, Ancylopoda, Arthropomata, Articulata, Clitambonoidea, Craniiformea, Dallinacea, Dichotomosella, Drakozoon, Ecardines, Ernogia, Helictopoda, Inarticulata, Lathamella, Linguliformea, Lyopomata, Mickwitziidae, Oymurania, Plectorhynchonella, Rhynchonelliformea, Rictia, Surindia, Testicardines, Thecidium, Tommotiida, Vjalovithyris
Subtaxa: none
Ecology: stationary low-level epifaunal suspension feeder
Distribution: there are no occurrences of Pygocaulia in the database