†Trinema Cook 1997 (snail)
Full reference: A. G. Cook. 1997. Gastropods from the Burdekin Formation, Middle Devonian, north Queensland. Memoirs of the Queensland Museum 42(1):37-49
Parent taxon: Caenogastropoda according to A. J. W. Hendy 2008
Sister taxa: Acteoninoidea, Architaenioglossa, Bithynia, Bourguetia, Cerithimorpha, Cyclophoracea, Dendropupoidea, Dzikella, Goniasmatidae, Idahospira, Meekospiridae, Neogastropoda, Neontaenioglossa, Neotaenioglossa, Palaeostyloidea, Peruneloidea, Perunelomorpha, Pictavia, Polygyrinidae, Pragoscutulidae, Prisconatica, Protorculidae, Provannidae, Pseudomelanoidea, Spanionematidae, Strobeidae, Subulitoidea, Triphoroidea, Ventrosia, Zygopleuroidea
Subtaxa: none
Type: Trinema heideckeri
Ecology: epifaunal