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Ophioxenikos

Somasteroidea -

Taxonomy
Ophioxenikos was named by Blake and Guensburg (1993) [Sepkoski's age data: O Aren-l]. It is not extant. Its type is Ophioxenikos langenheimi.

It was assigned to Goniactinida by Sepkoski (2002); to Chinianasteridae by Blake and Guensburg (1993) and Dean Shackleton (2005); and to Somasteroidea by Blake (2013).

Synonymy list
YearName and author
1993Ophioxenikos Blake and Guensburg p. 106
2002Ophioxenikos Sepkoski, Jr.
2005Ophioxenikos Dean Shackleton p. 71
2013Ophioxenikos Blake p. 363

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RankNameAuthor
kingdomAnimalia()
Triploblastica
Nephrozoa
Deuterostomia
Ambulacraria
RankNameAuthor
phylumEchinodermata
subphylumAsterozoa
classSomasteroidea()
genusOphioxenikos

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
D. B. Blake and T. E. Guensburg 1993Chinianasterid? with asteroid-like shape, including enlarged disk, arm tapering (not petaloid); ambulacral nearly paired proximally, becoming offset medially, distally; podial basins solid, without pores or abradial notching; first virgals not differentiated from remainder, interbrachially, 3 or 4 virgals in each row decreasing to non medially or distally on arm; marginals frame well developped, imbricated,with stout, L-shaped, medial interbrachial marginal pairs.
J. Dean Shackleton 2005Metataxon