''Ceratophyllidia'' is a

genus Genus (; : genera ) is a taxonomic rank above species and below family (taxonomy), family as used in the biological classification of extant taxon, living and fossil organisms as well as Virus classification#ICTV classification, viruses. In bino ...

of sea

slugs Slug, or land slug, is a common name for any apparently shell-less terrestrial gastropod mollusc. The word ''slug'' is also often used as part of the common name of any gastropod mollusc that has no shell, a very reduced shell, or only a sma ...

, dorid

nudibranch Nudibranchs () are a group of soft-bodied marine gastropod molluscs, belonging to the order Nudibranchia, that shed their shells after their larval stage. They are noted for their often extraordinary colours and striking forms, and they have b ...

s, shell-less marine

gastropod Gastropods (), commonly known as slugs and snails, belong to a large Taxonomy (biology), taxonomic class of invertebrates within the phylum Mollusca called Gastropoda (). This class comprises snails and slugs from saltwater, freshwater, and fro ...

mollusc Mollusca is a phylum of protostome, protostomic invertebrate animals, whose members are known as molluscs or mollusks (). Around 76,000 extant taxon, extant species of molluscs are recognized, making it the second-largest animal phylum ...

s in the

family Family (from ) is a Social group, group of people related either by consanguinity (by recognized birth) or Affinity (law), affinity (by marriage or other relationship). It forms the basis for social order. Ideally, families offer predictabili ...

Phyllidiidae Phyllidiidae is a family (biology), family of sea slugs, dorid nudibranchs, marine (ocean), marine gastropod mollusks in the superfamily Phyllidioidea. This family is within the clade Doridacea (according to the Taxonomy of the Gastropoda (Bouch ...

.Brunckhorst D. J. (1993) "The systematics and phylogeny of phyllidiid nudibranchs (Doridoidea)". ''Records of the Australian Museum'' suppl. 16: 1-108. They are known for their unusually soft, spherical and stalked

tubercules In anatomy, a tubercle (literally 'small tuber', Latin for 'lump') is any round nodule, small eminence, or warty outgrowth found on external or internal organs of a plant or an animal. In plants A tubercle is generally a wart-like projection, b ...

on their upper

dorsa Standard anatomical terms of location are used to describe unambiguously the anatomy of humans and other animals. The terms, typically derived from Latin or Greek roots, describe something in its standard anatomical position. This position provi ...

. Unlike the species of ''Phyllidia'', they lack oral glands or the glands are free from the oral tube.

Species

Species in the genus ''Ceratophyllidia'' include: * '' Ceratophyllidia africana'' Eliot, 1903 * '' Ceratophyllidia papilligera'' (

Bergh Bergh is a former municipality in the Dutch province of Gelderland. The municipality included the villages of 's-Heerenberg, Zeddam, and Stokkum. In 2005, it merged with Didam to form the new municipality of Montferland Montferland () i ...

, 1890)Bouchet, P. (2010)
''Ceratophyllidia papilligera'' (Bergh, 1890).
Accessed through: World Register of Marine Species on 2010-12-28 ;Species brought into synonymy: * ''Ceratophyllidia grisea'' Eliot, 1910: synonym of '' Ceratophyllidia africana'' Eliot, 1903 * ''Ceratophyllidia molaensis'' (Meyer, 1977): synonym of '' Phyllidiella molaensis'' (Meyer, 1977)

References

{{Taxonbar, from=Q2889250 Phyllidiidae Gastropod genera