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Ophioxenikos
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), Blake and Guensburg (2015); and to Somasteroidea by Blake (2013), Blake (2018).
It was assigned to Goniactinida by Sepkoski (2002); to Chinianasteridae by Blake and Guensburg (1993), Dean Shackleton (2005), Blake and Guensburg (2015); and to Somasteroidea by Blake (2013), Blake (2018).
Species
Synonymy list
| Year | Name and author |
|---|---|
| 1993 | Ophioxenikos Blake and Guensburg p. 106 |
| 2002 | Ophioxenikos Sepkoski |
| 2005 | Ophioxenikos Dean Shackleton p. 71 |
| 2013 | Ophioxenikos Blake p. 363 |
| 2015 | Ophioxenikos Blake and Guensburg pp. 469 - 471 |
| 2018 | Ophioxenikos Blake p. 21 |
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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
| Reference | Diagnosis | |
|---|---|---|
| D. B. Blake and T. E. Guensburg 1993 | Chinianasterid? 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 2005 | Metataxon |
Measurements
No measurements are available
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| Source: o = order, subc = subclass, p = phylum | |||||
| References: Spencer and Wright 1966, Aberhan et al. 2004, Aberhan 1992 | |||||