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Plesiastropecten hallovensis
Taxonomy
Plesiastropecten hallovensis was named by Peyer (1944). It is not extant. Its type locality is Echinoderms, Angulatus zone, Hettangian, Schaffhausen, Hallau, which is in a Hettangian offshore claystone/sandstone in Switzerland. It is the type species of Plesiastropecten.
Synonymy list
| Year | Name and author |
|---|---|
| 1944 | Plesiastropecten hallovensis Peyer p. 1 fig. 2 |
| 1966 | Plesiastropecten hallovensis Spencer and Wright p. U46 |
| 1984 | Plesiastropecten hallovensis Blake pp. 633-638 figs. fig. 1A-G |
| 2004 | Plesiastropecten hallovensis Villier et al. p. 820 figs. 3.8, 3.9, 4.12–14 |
| 2021 | Plesiastropecten hallovensis Gale and Jagt p. 178 figs. Fig. 14 |
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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.
†Plesiastropecten hallovensis Peyer 1944
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: o = order, c = class, p = phylum | |||||
| References: Blake 1990, Aberhan 1992, Aberhan et al. 2004 | |||||
Age range: base of the Hettangian to the top of the Middle Toarcian or 201.40000 to 180.40000 Ma
Collections (3 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Early/Lower Hettangian | Switzerland | Plesiastropecten hallovensis (type locality: 32019) | |
| Hettangian | Switzerland | Plesiastropecten hallovensis (32020) | |
| Middle Toarcian | France (Poitou-Charentes) | Plesiastropecten hallovensis (31839) |