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Archastropecten clavaeformis
Taxonomy
Astropecten clavaeformis was named by Wright (1861). Its type specimen is at the Museum of the Geological Survey and is a cast.
It was recombined as Archastropecten clavaeformis by Hess (1955).
It was recombined as Archastropecten clavaeformis by Hess (1955).
Synonymy list
| Year | Name and author |
|---|---|
| 1861 | Astropecten clavaeformis Wright p. 428 |
| 1863 | Astropecten clavaeformis Wright pp. 125-127 figs. pl. 10a, fig. 3; pl. 11 |
| 1867 | Astropecten clavaeformis Quenstedt p. 710 |
| 1875 | Astropecten clavaeformis Phillips p. 237 |
| 1885 | Astropecten clavaeformis Quenstedt p. 906 |
| 1892 | Astropecten clavaeformis Fox-Strangeways p. 198 |
| 1935 | Astropecten clavaeformis Mercier pp. 44, figs. pl. 2, fig. 15 |
| 1955 | Archastropecten clavaeformis Hess pp. 31-32 |
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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.
†Archastropecten clavaeformis Wright 1861
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Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| H. Hess 1955 | Arm base constricted. Actinolateral fields reduced to reduced plate row in the arm and the base of the arm. |
Measurements
No measurements are available
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| Source: f = family, c = class, p = phylum | |||||
| References: Aberhan et al. 2004, Blake 1990, Aberhan 1992 | |||||
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 | Astropecten clavaeformis (72288) |