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Gnathophiurina (disused)

Ophiuroidea - Ophiurida

Taxonomy
Gnathophiurida was named by Matsumoto (1915). It is extant.

It was reranked as the suborder Gnathophiurina by Spencer and Wright (1966).

It was assigned to Myophiuroida by Matsumoto (1915); and to Ophiurida by Spencer and Wright (1966).

Synonymy list
YearName and author
1915Gnathophiurida Matsumoto p. 66
1966Gnathophiurina Spencer and Wright p. U99

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RankNameAuthor
kingdomAnimalia()
Triploblastica
Nephrozoa
Deuterostomia
Ambulacraria
phylumEchinodermata
RankNameAuthor
subphylumAsterozoa
classOphiuroidea
orderOphiurida()
suborderGnathophiurina()
suborderGnathophiurina()

If no rank is listed, the taxon is considered an unranked clade in modern classifications. Ranks may be repeated or presented in the wrong order because authors working on different parts of the classification may disagree about how to rank taxa.

Diagnosis
ReferenceDiagnosis
H. Matsumoto 1915Radial shield and genital plate articulate by means of a conspicuous socket in the former and of a large, ball-like condyle on the latter. Genital plates, as a rule, firmly fixed to the basal vertebrae. Genital scales short, very wide, flattened, leaf-like. On abradial side of innermost part of each genital slit occurs another short, wide, flattened, leaf-like scale, which is firmly attached to oral shield. Peristomal plates small, or rarely large, usually entire, but. sometimes double. Oral frames, as a rule, with well-developed lateral wings.