Higher Classification: > Kingdom Animalia > Subkingdom Eumetazoa > Phylum Mollusca > Class Gastropoda > Subclass Orthogastropoda > Subclass Heterobranchia > Infraclass Euthyneura > Subterclass Ringipleura > Superorder Nudipleura > Order Nudibranchia > Suborder Doridina > Infraorder Doridoidei > Superfamily Polyceroidea > Family Polyceridae > Subfamily Polycerinae > Genus Polycera

Polycera hedgpethi Er. Marcus, 1964

Rank: Species
Taxon Status: accepted

Relationships towards this taxon

Genus group names

*Polycera*	Cuvier, 1816	accepted genus name
*Greilada*	Bergh, 1894	synonym
*Polycera (Greilada)*	Bergh, 1894	synonym

Vernaculars (+) (-)

English: Dark Crowned Dorid sources: Gosliner, T. et al. (2023). Southern African Sea Slugs. Southern Underwater Research Group Press, 7 Blackwood Drive, Hout Bay 7806, Cape Town, South Africa.

Japanese: クロコソデウミウシ

Literature

original description	Marcus, Er. (1964). A new species of Polycera (Nudibranchia) from California. The Nautilus. 77(4): 128-131, figs. 1-4.
basis of record	Gofas, S.; Le Renard, J.; Bouchet, P. (2001). Mollusca. in: Costello, M.J. et al. (eds), European Register of Marine Species: a check-list of the marine species in Europe and a bibliography of guides to their identification. Patrimoines Naturels. 50: 180-213.
additional source	Giacobbe S. & De Matteo S. (2013). The potentially invasive opisthobranch Polycera hedgpethi Er. Marcus, 1964 (Gastropoda Nudibranchia), introduced in a Mediterranean coastal lagoon. Biodiversity Journal. 4 (2): 359-364.
additional source	Gosliner, T. et al. (2023). Southern African Sea Slugs. Southern Underwater Research Group Press, 7 Blackwood Drive, Hout Bay 7806, Cape Town, South Africa.
additional source	Keppel, E.; Sigovini, M.; Tagliapietra, D. (2012). A new geographical record of Polycera hedgpethi Er. Marcus, 1964 (Nudibranchia: Polyceridae) and evidence of its established presence in the Mediterranean Sea, with a review of its geographical distribution. Marine Biology Research. 8(10): 969-981.
additional source	Zenetos, A., M.E. Cinar, M.A. Pancucci-Papadopoulou, J.G. Harmelin, G. Furnari, F. Andaloro, N. Bellou, N. Streftaris & H. Zibrowius. (2005). Annotated list of marine alien species in the Mediterranean with records of the worst invasive species. Mediterranean Marine Science. 6 (2): 63-118.
additional source	Gosliner, T. (1987). Nudibranchs of Southern Africa: A Guide to Opisthobranch Molluscs of Southern Africa. Sea Challengers, Monterey, California.
additional source	Marchini, A., J. Ferrario, A. Sfriso & A. Occhipinti-Ambrogi. (2015). Current status and trends of biological invasions in the Lagoon of Venice, a hotspot of marine NIS introductions in the Mediterranean Sea. Biological Invasions. 17:2943–2962.
redescription	Miller, M.C. (2001). Descriptions of the dorid nudibranchs Polycera hedgpethi Marcus, 1964 and P. fujitai Baba, 1937 in New Zealand (Gastropoda: Opisthobranchia). Journal of Molluscan Studies. 67: 489–497.

Genbank

Citation

MolluscaBase eds. (2025). MolluscaBase. Polycera hedgpethi Er. Marcus, 1964. Via: Costello, M.J.; Bouchet, P.; Boxshall, G.; Arvantidis, C.; Appeltans, W. (2011) European Register of Marine Species, Accessed through PESI at http://www.eu-nomen.eu/portal/taxon.php?GUID=urn:lsid:marinespecies.org:taxname:140835