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Leptogonium
Taxonomy
Leptogonium was named by Pomel (1885) [Sepkoski's age data: T Plio]. It is not extant. Its type is Leptogonium mauritanicum.
It was assigned to Goniasteridae by Spencer and Wright (1966); and to Valvatida by Sepkoski (2002).
It was assigned to Goniasteridae by Spencer and Wright (1966); and to Valvatida by Sepkoski (2002).
Species
L. mauritanicum (type species)
Synonymy list
| Year | Name and author |
|---|---|
| 1885 | Leptogonium Pomel p. 329 figs. pl. 1, fig. 1-8 |
| 1966 | Leptogonium Spencer and Wright p. 62 |
| 2002 | Leptogonium 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: f = family, c = class, p = phylum | |||||
| References: Aberhan et al. 2004, Blake 1990, Aberhan 1992 | |||||
Age range: Late/Upper Miocene or 11.60800 to 5.33300 Ma
Collections: one only
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Late/Upper Miocene | Algeria | L. mauritanicum (62359) |