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Metopaster loirensis
Taxonomy
Metopaster loirensis was named by Gale (1987). It is not extant. Its type specimen is Natural History Museum, London, Holotype BNHM E 54208, paratypes E 54207, E 5420. It was considered paraphyletic by Breton (1992).
Sister species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1987 | Metopaster loirensis Gale pp. 31-32 figs. pl. 3 fig. 6-18 |
| 1992 | Metopaster loirensis Breton pp. 156-160 figs. 65-68, pl. 13 fig. 1-14 |
| 1993 | Metopaster loirensis Lewis p. 57 |
| 1995 | Metopaster loirensis Villier pp. 93-97 figs. 32, pl. 1 fig. 1-4, 6 |
| 1997 | Metopaster loirensis Breton pp. 137-141 |
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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 loirensis Gale 1987
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Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| A. S. Gale 1987 | Metopaster of medium to large size. Well-defined central area of the marginal plates, with granule-pits of large size varying from absent to covering entirely. Superomarginals bulging at the angle abactinal and abradial faces. |
Measurements
No measurements are available
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| Source: f = family, c = class, p = phylum | |||||
| References: Blake 1990, Aberhan et al. 2004, Aberhan 1992 | |||||
Age range: Late/Upper Coniacian or 89.30000 to 85.80000 Ma
Collections: one only
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Late/Upper Coniacian | Spain | Metopaster loirensis (92947) |