basis of record Millard, V. (1996). Classification of Mollusca: a classification of world wide Mollusca. Victor G. Millard: Rhine Road, South Africa. ISBN 0-620-21261-6. 544 pp. (look up in IMIS) [details]
additional source An outline for the classification of Phylum Mollusca in taxonomic databases
[report elaborated by WoRMS editors for internal use, june 2010] [details] [full text]
Citation: Gofas, S. (2016). Heterobranchia. In: MolluscaBase (2017). Accessed through: World Register of Marine Species at http://www.marinespecies.org/aphia.php?p=taxdetails&id=14712 on 2017-07-09