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Manfredaster concinnus
Taxonomy
Aspidaster concinnus was named by Breton (1978). It is not extant. Its type specimen is Muséum d'Histoire Naturelle du Havre, Holotype MHNH 2261. It was considered monophyletic by Breton (1978).
It was recombined as Manfredaster concinnus by Villier et al. (2004).
It was recombined as Manfredaster concinnus by Villier et al. (2004).
Synonymy list
| Year | Name and author |
|---|---|
| 1978 | Aspidaster concinnus Breton pp. 16-20 figs. 11-12, pl. 1 fig. 2-4 |
| 2004 | Manfredaster concinnus Villier et al. p. 40 |
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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.
†Manfredaster concinnus Breton 1978
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Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| G. Breton 1978 | Arms relatively long (R>2r). Architecture of the arm with rows of carinal, superomarginal, inferomarginal plates to the arm tip and a row of actinolateral reduced to the arm base. Carinal, superomarginal and inferomarginal plates in equal number. Localy, few intermarginal plates of reduced size. Superomarginal and radial plates notably wider than long in the larger part of the arm (l/L equals two). Inferomarginal, superomarginal and carinal plates low. External face of superomarginal plates slightly domed, with ornament of fine, dense granule pits. No raised central area differentiated. |
Measurements
No measurements are available
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| Source: c = class, p = phylum | |||||
| References: Aberhan 1992, Aberhan et al. 2004 | |||||
Age range: base of the Late/Upper Coniacian to the top of the Early/Lower Santonian or 89.80000 to 83.60000 Ma
Collections: one only
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Late/Upper Coniacian - Early/Lower Santonian | France | Aspidaster concinnus (59659) |