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Ophiuroidea (brittle star)

Ophiuroidea -

Synonymy list
YearName and author
1840Ophiuroidea Gray
1895Ophiuroidea von Zittel
1904Ophiuroidea Clark p. 433
1915Ophiuroidea Schuchert pp. 267-268
1965Ophiuroidea Owen p. 544
1966Ophiuroidea Spencer and Wright p. U78
1998Ophiuroidea Barnes p. 310
2001Ophiuroidea Boczarowski p. 8
2002Ophiuroidea Sepkoski, Jr.
2005Ophiuroidea Dean Shackleton p. 77
2013Ophiuroidea Blake p. 355

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

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
J. Dean Shackleton 2005Ambulacrals with distal part of perradial bar at same relief as proximal part; distal adambulacral podial flange larger than proximal; adambulacrals reach maximum height at disc centre, becoming smaller proximally; adambulacral groove spines present; convex interradial disc; arm highly separated from interradial disc; first podial pore moves to entirely within circumoral ossicle; proximal part of mouth angle plate developed into flat elongate platform; radial spines present in oral area.