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Coulonia platyspina
Taxonomy
Coulonia platyspina was named by Hess and Blake (1995). It is not extant. Its type specimen is Natural History Museum Basel, M 9925.. Its type locality is Tillelt beach, which is in a Barremian offshore sandstone/marl in Morocco.
Synonyms
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Synonymy list
| Year | Name and author |
|---|---|
| 1995 | Coulonia platyspina Hess and Blake pp. 785-786 figs. figs 1-6 |
| 2007 | Coulonia platispina Villier et al. p. 422 |
| 2011 | Betelgeusia orientalis Blake and Reboul p. 1029 figs. Figs 3, 4 |
| 2020 | Coulonia platyspina Ewin and Gale p. 934 figs. Figs 3, 4.2, 5.1 |
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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.
†Coulonia platyspina Hess and Blake 1995
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Invalid names: Betelgeusia orientalis Blake and Reboul 2011 [synonym]
Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| D. B. Blake and R. Reboul 2011 (Betelgeusia orientalis) | Betelgeusiid with transverse profile of superomarginals rounded; actinal accessory spines comparatively small. | |
| T.A.M. Ewin and A.S. Gale 2020 | Coulonia with very broad actinal interradial areas, gently curved interradial arcs, and relatively short, rapidly tapering arms. Inferomarginals short and very broad, and superomarginals with elongated abactinal surfaces. |
Measurements
No measurements are available
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| Source: f = family, c = class, p = phylum | |||||
| References: Aberhan 1992, Aberhan et al. 2004, Blake 1990 | |||||