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Miopentagonaster calloviensis
Taxonomy
Miopentagonaster calloviensis was named by Mercier (1935). It is not extant. Its type specimen is No longer available. It is the type species of Miopentagonaster. It was considered monophyletic by Mercier (1935).
Synonymy list
| Year | Name and author |
|---|---|
| 1935 | Miopentagonaster calloviensis Mercier pp. 14-16 figs. pl. 3, fig. 3a-c |
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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.
†Miopentagonaster calloviensis Mercier 1935
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Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| J. Mercier 1935 | Small size. Outline pentagonal with short, blunt arms. Four superomarginal plates per side. Superomarginals long, narrow, flattened to weakly convex. Enlarged ultimate superomarginal plates highly inflated. Terminal plate large. Inferomarginals larger than superomarginals. Abactinal plates hexagonal. Abactinal, marginal and actinolateral plates covered by granules. |
Measurements
No measurements are available
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| Source: f = family, c = class, p = phylum | |||||
| References: Aberhan et al. 2004, Aberhan 1992, Blake 1990 | |||||
Age range: Early/Lower Callovian or 164.70000 to 161.20000 Ma
Collections: one only
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Early/Lower Callovian | France | Miopentagonaster calloviensis (72288) |