Euctenidiacea
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The Euctenidiacea,
common name In biology, a common name of a taxon or organism (also known as a vernacular name, English name, colloquial name, country name, popular name, or farmer's name) is a name that is based on the normal language of everyday life; and is often contrast ...
dorid nudibranchs, are a taxonomic
suborder Order ( la, ordo) is one of the eight major hierarchical taxonomic ranks in Linnaean taxonomy. It is classified between family and class. In biological classification, the order is a taxonomic rank used in the classification of organisms and ...
of
sea snail Sea snail is a common name for slow-moving marine gastropod molluscs, usually with visible external shells, such as whelk or abalone. They share the taxonomic class Gastropoda with slugs, which are distinguished from snails primarily by the a ...
s or
slug 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 ...
s,
marine Marine is an adjective meaning of or pertaining to the sea or ocean. Marine or marines may refer to: Ocean * Maritime (disambiguation) * Marine art * Marine biology * Marine debris * Marine habitats * Marine life * Marine pollution Military ...
gastropod The gastropods (), commonly known as snails and slugs, belong to a large taxonomic class of invertebrates within the phylum Mollusca called Gastropoda (). This class comprises snails and slugs from saltwater, from freshwater, and from land. T ...
mollusc Mollusca is the second-largest phylum of invertebrate animals after the Arthropoda, the members of which are known as molluscs or mollusks (). Around 85,000  extant species of molluscs are recognized. The number of fossil species is est ...
s in the
order Order, ORDER or Orders may refer to: * Categorization, the process in which ideas and objects are recognized, differentiated, and understood * Heterarchy, a system of organization wherein the elements have the potential to be ranked a number of ...
Nudibranchia. Bouchet & Rocroi (2005) rejected the name
Anthobranchia The Euctenidiacea, common name dorid nudibranchs, are a taxonomic suborder of sea snails or slugs, marine gastropod molluscs in the order Nudibranchia. Bouchet & Rocroi (2005) rejected the name Anthobranchia on the grounds that it also include ...
on the grounds that it also included ''
Onchidium ''Onchidium'' is a genus of air-breathing sea slugs, shell-less marine pulmonate gastropod mollusks in the family Onchidiidae. There are only four species currently recognized in the genus. Species The following species with valid names ...
'' at the time of original publication. Doridina is equivalent and used in the latest classification.Bouchet P., Rocroi J.P., Hausdorf B., Kaim A., Kano Y., Nützel A., Parkhaev P., Schrödl M. & Strong E.E. (2017). Revised classification, nomenclator and typification of gastropod and monoplacophoran families. Malacologia. 61(1-2): 1-526. A morphological
phylogenetic In biology, phylogenetics (; from Greek φυλή/ φῦλον [] "tribe, clan, race", and wikt:γενετικός, γενετικός [] "origin, source, birth") is the study of the evolutionary history and relationships among or within groups ...
study, published in 2000, by Wägele & Willan showed that the subclade Gnathodoridacea (= Bathydoridoidea) and the subclade Doridacea (= Phanerobranchia + Cryptobranchia + Porostomata) each form a
monophyletic In cladistics for a group of organisms, monophyly is the condition of being a clade—that is, a group of taxa composed only of a common ancestor (or more precisely an ancestral population) and all of its lineal descendants. Monophyletic gr ...
group. In a later study, published in 2002, A. Valdés concluded that the superfamilies Doridoidea and Phyllidioidea (called by him Cryptobranchia + Porostomata) formed a
clade A clade (), also known as a monophyletic group or natural group, is a group of organisms that are monophyletic – that is, composed of a common ancestor and all its lineal descendants – on a phylogenetic tree. Rather than the English ter ...
. He expanded the usage of Cryptobranchia to encompass the whole subclade Doridacea. This move was not followed in the taxonomy of Bouchet and Rocroi.


Taxonomy


clade Gnathodoridacea

*Superfamily
Bathydoridoidea ''Bathydorididae'' is a taxonomic family of dorid nudibranch, shell-less marine Marine is an adjective meaning of or pertaining to the sea or ocean. Marine or marines may refer to: Ocean * Maritime (disambiguation) * Marine art * Marine bio ...
**Family Bathydorididae


clade Doridacea

*Superfamily Doridoidea **Family
Dorididae Sea lemon is a loosely applied common name for a group of medium-sized to large shell-less colorful sea slugs or nudibranchs, specifically dorid nudibranchs in the taxonomic family Dorididae and other closely related families. These are marine ...
**Family Actinocyclidae **Family Chromodorididae **Family Discodorididae *Superfamily Phyllidioidea **Family Phyllidiidae **Family
Dendrodorididae Dendrodorididae is a taxonomic family of sea slugs, dorid nudibranchs, marine gastropod molluscs in the Superfamily Phyllidioidea. Genera A maximum-parsimony analysis of the nucleotide sequence of the 16S mtDNA gene, performed in 2003, has ...
**Family Mandeliidae *Superfamily Onchidoridoidea (= Phanerobranchiata Suctoria) **Family Akiodorididae **Family Onchidorididae **Family
Corambidae Corambidae is a family (biology), family name for sea slugs, dorid nudibranchs, marine (ocean), marine gastropod molluscs. Genera Genera in the family Corambidae include:Hallas J.M. & Gosliner T.M. (2015)''Family matters: The first molecular phy ...
**Family Goniodorididae *Superfamily
Polyceroidea Polyceroidea is a taxonomic superfamily of sea slugs, specifically dorid nudibranchs, marine gastropod mollusks in the clade Doridacea. Families Families within the superfamily Polyceroidea include: *Family Aegiridae - In Bouchet & Rocroi (20 ...
(= Phanerobranchiata Non Suctoria) **Family Polyceridae **Family Aegiridae - In Bouchet & Rocroi (2005) is incorrect subsequent spelling Aegiretidae. **Family Gymnodorididae **Family Hexabranchidae **Family
Okadaiidae Okadaiidae is a family of sea slugs, dorid nudibranchs, marine gastropod mollusks in the superfamily Polyceroidea. This family is within the clade Euctenidiacea The Euctenidiacea, common name dorid nudibranchs, are a taxonomic suborder of se ...


References


Further reading

*Belick F. P. (1975) "Additional opisthobranch mollusks from Oregon". ''The Veliger'' 17(3): 276-277. *Goddard J. H. r. (1984) "The opisthobranchs of Cape Arago, Oregon, with notes on their biology and a summary of benthic opisthobranchs known from Oregon". ''The Veliger'' 27(2): 143-163. *Lance J. R. (1967) "The holotype of the abyssal dorid nudibranch ''Bathydoris aoica'' Marcus & Marcus, 1962". ''The Veliger'' 9(4): 410. *Marcus Ev. & Marcus Er. (1962) "A new species of the Gnathodoridacea". ''Anais da Academia Brasileira de Ciências'' 34: 269-275. *Valdés Á. & Bertsch H. (2000) "Redescription and range extension of ''Bathydoris aioca'' Marcus & Marcus, 1962 (Nudibranchia: Gnathodoridoidea)". ''The Veliger'' 43(2): 172-178.


External links

{{Taxonbar, from=Q5406332 Nudibranchia