Gastropoda - Caenogastropoda - Spanionematidae
Parent taxon: Caenogastropoda according to P. Bouchet et al. 2005
Sister taxa: Architaenioglossa, Carinomphalus, Cassianozyga, Cataldia, Cerithiacea, Cerithimorpha, Cerithioidea, Coelodiscidae, Coelostylinidae, Cyclophoracea, Dendropupoidea, Dzikella, Epitonioidea, Idahospira, Loxotomella, Meekospiridae, Mesogastropoda, Neontaenioglossa, Neotaenioglossa, Orthonematoidea, Palaeostyloidea, Peruneloidea, Perunelomorpha, Pragoscutulidae, Prisconatica, Pseudomelanoidea, Soleniscoidea, Sorbeoconcha, Strobeidae, Trinema, Vanikoroidea, Ventrosia, Zygopleuroidea
Subtaxa: Spanionema
Ecology: epifaunal
Distribution:
• Devonian of Germany (3 collections), Poland (3), the United Kingdom (1)
Total: 7 collections each including a single occurrence