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Pentasteria (Archastropecten) infirma
Taxonomy
Astropecten infirmum was named by Fraas (1886).
It was recombined as Archastropecten infirmum by Hess (1955); it was recombined as Pentasteria (Archastropecten) infirma by Enay and Hess (1970).
It was recombined as Archastropecten infirmum by Hess (1955); it was recombined as Pentasteria (Archastropecten) infirma by Enay and Hess (1970).
Synonymy list
| Year | Name and author |
|---|---|
| 1886 | Astropecten infirmum Fraas p. 246 figs. pl. 30 fig. 2-4 |
| 1887 | Astropecten infirmum de Loriol p. 317 |
| 1905 | Astropecten infirmum de Loriol p. 135 |
| 1955 | Archastropecten infirmum Hess p. 34 |
| 1970 | Pentasteria (Archastropecten) infirma Enay and Hess pp. 1100-1101 figs. pl. 2 |
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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.
†Pentasteria (Archastropecten) infirma Fraas 1886
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Diagnosis
No diagnoses are available
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: Late/Upper Kimmeridgian or 152.21000 to 149.20000 Ma
Collections: one only
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Late/Upper Kimmeridgian | France | Pentasteria infirma (58658) |