Registered 23,234 species  (Collections:374,653; Observations:77,196; Other records:5,958)
Classification : Eukarya - Opisthokonta - Animalia - Mollusca
真核生物ドメイン - Opisthokonta - 動物界 - 軟体動物門

Class Caudofoveata   C. R. Boettger, 1956     尾腔綱

Glaubrecht, M., Maitas, L. and L. v. Salvini-Plawen (2005) Aplacophoran mollusca in the Natural History Museum Berlin. An annotated catalogue of Thiel's type specimens, with a brief review of "Aplacophora" classification. Mitteilungen aus der Museum für Naturkunde in Berlin, Zoologische Reihe 81: 145-166. 
Japan Oceanographic Data Center (2002) JODC taxonomic code of marine organisms (plankton). 2001 edition. In: Marine Organisms Data, accessed through