Hermaeidae

Hermaeidae is a taxonomic family of sacoglossan sea slugs. These are marine opisthobranch gastropod mollusks in the superfamily Plakobranchoidea.^[1]

Hermaeidae
Hermaea variopicta
Drawing of Hermaea bifida from Kunstformen der Natur (1904)
Scientific classification
Kingdom:	Animalia
Phylum:	Mollusca
Class:	Gastropoda
Infraclass:	Euthyneura
Superorder:	Sacoglossa
Superfamily:	Plakobranchoidea
Family:	Hermaeidae H. Adams & A. Adams, 1854
Type genus
Hermaea Lovén, 1844
Genera
See text
Synonyms
Caliphyllidae Tiberi, 1881 Jenseneriidae Ortea & Moro, 2015 Lobiferidae Pruvot-Fol, 1947 Phyllobranchidae Bergh, 1871 ( invalid family name: type * a junior homonym of Phyllobranchus Girard, 1851) Phyllobranchillidae Risbec, 1953 Polybranchiidae O'Donoghue, 1929

This family has no subfamilies.

Genera

Jensen (1996)^[2] listed three genera Aplysiopsis, Hermaea and Hermaeopsis A. Costa, 1869, which has been synonymized with * Hermaea.

Jensen (2007)^[3] listed two valid genera in the family Hermaeidae:

• Aplysiopsis Deshayes, 1839–53
• Caliphylla A. Costa, 1867
• Cyerce Bergh, 1870
• Hermaea Lovèn, 1844 - type *
• Mourgona Er. Marcus & Ev. Marcus, 1970
• Polybranchia Pease, 1860
• Sohgenia Hamatani, 1991

Genera brought into synonymy

• Beccaria Trinchese, 1870: synonym of Caliphylla A. Costa, 1867
• Branchophyllum Pruvot-Fol, 1947: synonym of Polybranchia Pease, 1860 (invalid: junior objective synonym of Phyllobranchillus, an earlier replacement name by the same author for the same homonym.)
• Hermaeina Trinchese, 1874: synonym of Aplysiopsis Deshayes, 1853
• Hermaeopsis A. Costa, 1869: synonym of Hermaea Lovén, 1844
• Jenseneria Ortea & Moro, 2015: synonym of Mourgona Er. Marcus & Ev. Marcus, 1970
• Lobiancoia Trinchese, 1881: synonym of Cyerce Bergh, 1870
• Lobifera Pease, 1866: synonym of Polybranchia Pease, 1860 (Unnecessary substitute name for Polybranchia Pease, 1860)
• Phyllobranchillus Pruvot-Fol, 1933: synonym of Polybranchia Pease, 1860
• Phyllobranchopsis Eliot, 1905: synonym of Aplysiopsis Bergh, 1898: synonym of Aplysia Linnaeus, 1767
• Phyllobranchus Alder & Hancock, 1864: synonym of Polybranchia Pease, 1860 (Invalid: junior homonym of Phyllobranchus Girard, 1851 [Annelida]; Phyllobranchillus and Branchophyllum are replacement names)
• Physopneumon A. Costa, 1864: synonym of Hermaea Lovén, 1844
• Polybranchea: synonym of Polybranchia Pease, 1860
• Polybranchus: synonym of Polybranchia Pease, 1860

Other invalid species within family Hermaeidae include:^[3]

• Physopneumon carneum A. Costa, 1862