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| Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Isechinus
Taxonomy
Isechinus was named by Lambert (1903) [Sepkoski's age data: T Mi].
It was assigned to Echinidae by Fell and Pawson (1966), Chiesa et al. (1995); and to Echinoida by Sepkoski (2002).
It was assigned to Echinidae by Fell and Pawson (1966), Chiesa et al. (1995); and to Echinoida by Sepkoski (2002).
Species
Synonymy list
| Year | Name and author |
|---|---|
| 1903 | Isechinus Lambert |
| 1966 | Isechinus Fell and Pawson p. U431 |
| 1995 | Isechinus Chiesa et al. p. 61 |
| 2002 | Isechinus 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: Aberhan 1992, Kiessling 2004 | |||||
Age range: base of the Casamayoran to the top of the Burdigalian or 56.00000 to 15.98000 Ma
Collections (5 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Casamayoran | Argentina (Santa Cruz) | I. praecursor (50067) | |
| Late/Upper Eocene - Early/Lower Oligocene | Argentina (Santa Cruz) | I. praecursor (42491 52859) | |
| Oligocene - Pliocene | Argentina (Santa Cruz) | I. praecursor (50076) | |
| Burdigalian | Argentina | I. praecursor (65185) |