Rhynchonellata - Rhynchonellida - Petasmariidae

Alternative combination: Leiorhynchus variabilis

Belongs to Leiorhynchoidea according to F.G. Stehli and R. E. Grant 1971

Sister taxa: Leiorhynchoidea amygdaloidea, Leiorhynchoidea cloudi, Leiorhynchoidea laevis, Leiorhynchoidea rotundidorsa, Leiorhynchoidea scelesta, Leiorhynchoidea schucherti, Leiorhynchoidea sulcata

Ecology: stationary epifaunal suspension feeder

Average measurements (in mm): shell 16.9 x 18.0