Phylum Mollusca Linnaeus, 1758 - molluscs Class Caudofoveata Boettger, 1956 - caudofoveatans 1.1 Family Limifossoridae Salvini-Plawen, 1968 1.2? Family Scutopodidae see Family Limifossoridae Salvini-Plawen, 1968 2 Family Prochaetodermatidae Salvini-Plawen, 1968 3 Family Chaetodermatidae von Ihering, 1786