Gastropoda - Opisthobranchia

PaleoDB taxon number: 12259

Parent taxon: Opisthobranchia according to P. L. Beesley 1998

Sister taxa: Acanthotrophia, Acochlidea, Anaspidea, Buscotypus, Canepina, Cephalaspida, Cephalaspidea, Cylindrobullinoidea, Floribella, Gymnosomata, Heteroptygmatis, Heterostrophia, Lutima, Mariottia, Mistostigma, Nicosiaella, Notaspidea, Nudibranchia, Pseudofusia, Reticulacella, Rhodopemorpha, Scorbinidola, Tectibranchia, Thecosomata, Umbraculomorpha

Subtaxa: Arthessidae, Elysiacea, Elysioidea, Limapontioidea, Oxynooidea, Santia

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Ecology: epifaunal