Annals of the South African Museum, Volumes 55-56

animals anterior appear base beds body bones Boonstra Broom Cape caudal clingfishes Clinidae Clinus closely coast collected common dentary deposits described Description developed dicynodonts differences disc distance distribution dorsal fin dorsal spines Durban east edge extending fauna figure fishes fossils front genera genus head head length included indicate intertidal known Langebaanweg lateral lower Lystrosaurus male mandible margins material median middle Mouth muscle Museum nasal occur opening orbits organ origin palatal Pavoclinus pectoral pelvic Pleistocene Point pores position possible posterior present Quarry range rays recorded referred region represented ridge rounded rows scales separate short similar single skin skull Smith snout South African South African Museum species specimens standard length suggested surface tail Tapinocephalus teeth thorns upper usually ventral West zone