[Kingdom] Animalia Linnaeus, 1758 - animals Grade Enterozoa Grade Cœlomata Phylum Mollusca Linnaeus, 1758 - molluscs Branch Lipocephala Class Spirobranchia Order Testicardines Bronn, 1862 1 Genus Terebratula Müller, 1776 2 Genus Spirifer Sowerby, 1816