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Stauranderaster bispinosus
Taxonomy
Pentaceros bispinosus was named by Spencer (1905). It is not extant. Its type specimen is Holotype BNHM OR 35482.
It was recombined as Stauranderaster bispinosus by Spencer (1907), Lewis (1993) and Villier et al. (2004).
It was recombined as Stauranderaster bispinosus by Spencer (1907), Lewis (1993) and Villier et al. (2004).
Synonymy list
Year | Name and author |
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1905 | Pentaceros bispinosus Spencer p. 87 figs. pl. 23, fig. 3 |
1907 | Stauranderaster bispinosus Spencer p. 125 |
1993 | Stauranderaster bispinosus Lewis p. 65 |
2004 | Stauranderaster bispinosus Villier et al. p. 39 |
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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.
†Stauranderaster bispinosus Spencer 1905
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Diagnosis
Reference | Diagnosis | |
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W. K. Spencer 1905 | Disc large. Arms moderately produced. Single isolated marginal ossicles vertebra-shaped with biconvex extremities. Ventro-lateral plates with strongly marked sockets to two or more spines. |