ammonites
Actinotheca clathrata Bengtson et al. 1990

Cupittheca - Cupithecidae

Full reference: S. Bengtson, S. Conway Morris, B. J. Cooper, P. A. Jell, and B. N. Runnegar. 1990. Early Cambrian fossils from South Australia. Association of Australasian Palaeontologists 9:1-364

Belongs to Actinotheca according to S. Bengtson et al. 1990

Sister taxa: Cupitheca hemicyclata, Cupitheca holocyclata, Cupittheca mira, Arcitheca coarctata, Arcitheca gracilis, Arcitheca semigyra

Type specimen: AMP 30866 (tube). Its type locality is 6429RS111, L1852 - Horse Gully, which is in a Botomian carbonate packstone in the Parara Limestone Formation of Australia.