Phylum Mollusca Linnaeus, 1758 - molluscs Class Solenogastres Gegenbaur, 1878 Order Sterrofustia Salvini-Plawen, 1978 Family Heteroherpiidae Salvini-Plawen, 1978 1 Genus Heteroherpia Salvini-Plawen, 1978 2 Genus Rhabdoherpia Salvini-Plawen, 1978