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Psephechinus
Taxonomy
Psephechinus was named by Pomel (1883) [Sepkoski's age data: J Toar-l K l].
It was assigned to Stomechinidae by Fell and Pawson (1966); and to Phymosomatoida by Sepkoski (2002).
It was assigned to Stomechinidae by Fell and Pawson (1966); and to Phymosomatoida by Sepkoski (2002).
Species
Synonymy list
| Year | Name and author |
|---|---|
| 1883 | Psephechinus Pomel p. 81 |
| 1966 | Psephechinus Fell and Pawson p. U406 |
| 2002 | Psephechinus Sepkoski |
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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.
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: c = class, p = phylum | |||||
| References: Kiessling 2004, Aberhan 1992 | |||||
Age range: base of the Bajocian to the top of the Middle Oxfordian or 170.30000 to 155.70000 Ma
Collections (6 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Early/Lower Bajocian | Luxembourg | P. germinans (38549) | |
| Bajocian | Morocco | P. globosus (68165) | |
| Bajocian - Bathonian | Morocco | P. globosus (204643) | |
| Late/Upper Bathonian | France | P. morieri (37510) | |
| Middle Oxfordian | France (Lorraine) | P. perlatus (21273) | |
| Kimmeridgian | Poland (Czarnoglowy) | P. sp. (157224) |