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Eophiuridae

Stenuroidea - Eophiuridae

Taxonomy
Eophiuridae was named by Schöndorf (1910). It is not extant. It is the type family of Eophiuricae. It was considered monophyletic by Dean Shackleton (2005).

It was synonymized subjectively with Eoluidiidae by Schuchert (1915).

It was assigned to Eophiuricae by Spencer (1951) and Owen (1965); to Parophiurina by Spencer and Wright (1966) and Jell and Theron (1999); to Ophiuroidea by Schöndorf (1910) and Dean Shackleton (2005); and to Proturina by Blake (2013).

Synonymy list
YearName and author
1910Eophiuridae Schöndorf
1951Eophiuridae Spencer p. 111
1965Eophiuridae Owen p. 546
1966Eophiuridae Spencer and Wright p. U82
1999Eophiuridae Jell and Theron p. 157
2005Eophiuridae Dean Shackleton p. 77
2013Eophiuridae Blake p. 367

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RankNameAuthor
kingdomAnimalia()
Triploblastica
Nephrozoa
Deuterostomia
Ambulacraria
phylumEchinodermata
RankNameAuthor
subphylumAsterozoa
classStenuroidea()
suborderProturina
familyEophiuridae
familyEophiuridae

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
W. K. Spencer 1951Outer lateralia broad with a single row of spines placed parallel to teh arm axis.
J. Dean Shackleton 2005Ambulacral transverse bar bearing lateral ridges; adambulacrals with vertical spine-bearing ridge; calcified spone canal; aboral plates straight-sided polygons; dorsal epispire gaps extend sub-ambitally; oral area with buccal slits; mouth angle plate crossed by single deep proximal groove.