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Metopaster meudonensis
Taxonomy
Metopaster parkinsoni meudonensis was named by Cottreau (1937). It is not extant. Its type specimen is Holotype MNHN EM A 135, a partial skeleton.
It was recombined as Metopaster meudonensis by Breton (1980), Breton (1985), Gale (1987), Breton (1992), Breton (1997), Villier (2001) and Villier and Odin (2001).
It was recombined as Metopaster meudonensis by Breton (1980), Breton (1985), Gale (1987), Breton (1992), Breton (1997), Villier (2001) and Villier and Odin (2001).
Sister species lacking formal opinion data
Synonyms
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Synonymy list
| Year | Name and author |
|---|---|
| 1850 | Pentetagonaster costata d'Orbigny p. 274 |
| 1937 | Metopaster parkinsoni meudonensis Cottreau pp. 78-79 figs. figs. a-c |
| 1978 | Metopaster parkinsoni meudonensis Breton p. 60 figs. fig. 32 |
| 1980 | Metopaster meudonensis Breton pp. 21-30 figs. fig. 1-4; pl. 1-2 |
| 1985 | Metopaster meudonensis Breton p. 430 |
| 1987 | Metopaster meudonensis Gale pp. 32-33 |
| 1992 | Metopaster meudonensis Breton pp. 153-156 figs. fig. 64, pl. 12 |
| 1997 | Metopaster meudonensis Breton pp. 142-143 figs. fig. 7 |
| 2001 | Metopaster meudonensis Villier pp. 597-599 figs. fig. 8.1 |
| 2001 | Metopaster meudonensis Villier and Odin figs. pl. 1 fig. 10 |
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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.
†Metopaster meudonensis Cottreau 1937
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Invalid names: Pentetagonaster costata d'Orbigny 1850 [synonym]
Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| A. d'Orbigny 1850 (Pentetagonaster costata) | A species in which each marginal plate has a central keel on the outer face. | |
| G. Breton 1992 | Metopaster of relatively large size. Outline circular to pentagonal with convex sides. Six intermediate superomarginal plates per side. Marginals plates wide. Superomarginals with a rounded abactinal dome and an abradial side close to vertical. Profile of the inferomarginals regularly convex. Width of inferomarginals highest in the interradius decreasing progressively to the tip. Enlarged ultimate superomarginal plates triangular, wider than long, sometime dissociated in two separate plates. Enlarged ultimate superomarginal plate in contact with three to six inferomarginal. Granule-pits distributed in variable manner on the central area but clustered or denser on the abradial side of the inferomarginal and the abactinal dome of the superomarginal plates. When present, pedicellariae pits of wing-shape type. |