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Ophioxenikos

Somasteroidea - Chinianasteridae

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

It was assigned to Goniactinida by Sepkoski (2002); to Chinianasteridae by Blake and Guensburg (1993), Dean Shackleton (2005) and Blake and Guensburg (2015); and to Somasteroidea by Blake (2013) and Blake (2018).

Species
O. langenheimi

Synonymy list
YearName and author
1993Ophioxenikos Blake and Guensburg p. 106
2002Ophioxenikos Sepkoski
2005Ophioxenikos Dean Shackleton p. 71
2013Ophioxenikos Blake p. 363
2015Ophioxenikos Blake and Guensburg pp. 469 - 471
2018Ophioxenikos Blake p. 21

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Deuterostomia
—Ambulacraria
phylumEchinodermata
RankNameAuthor
subphylumEleutherozoa
—Asterozoa()
classSomasteroidea()
familyChinianasteridae
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.

G. †Ophioxenikos Blake and Guensburg 1993
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†Ophioxenikos langenheimi Blake and Guensburg 1993
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