basis of record: An outline for the classification of Phylum Mollusca in taxonomic databases
[report elaborated by WoRMS editors for internal use, june 2010] [details] [full text]
Superorder Nudipleura (alternate representation, clade includng Pleurobranchomorpha and Nudibranchia)
Superorder Pteropoda (alternate representation, clade including Gymnosomata and Thecosomata)
Order Tectibranchiata (alternate representation, for Cephalaspidea)
Citation: Gofas, S. (2013). Opisthobranchia. Accessed through: World Register of Marine Species at http://www.marinespecies.org/aphia.php?p=taxdetails&id=382226 on 2013-06-19