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Urechinidae
Taxonomy
Urechinidae was named by Duncan (1889). It is extant.
It was assigned to Holasteroida by Wagner and Durham (1966); and to Urechinina by Kroh and Smith (2010).
It was assigned to Holasteroida by Wagner and Durham (1966); and to Urechinina by Kroh and Smith (2010).
Subtaxa
Synonymy list
| Year | Name and author |
|---|---|
| 1889 | Urechinidae Duncan |
| 1966 | Urechinidae Wagner and Durham p. U535 |
| 2010 | Urechinidae Kroh and Smith p. 173 |
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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.
Fm. Urechinidae Duncan 1889
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G. Carnarechinus Mironov 1978
G. †Chelonechinus
G. Urechinus Agassiz 1879
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: o = order, c = class, p = phylum | |||||
| References: Aberhan et al. 2004, Aberhan 1992, Kiessling 2004 | |||||
Age range
Maximum range based only on fossils: base of the Early/Lower Miocene to the top of the Middle Miocene or 23.03000 to 11.60800 Ma
Minimum age of oldest fossil (stem group age): 11.608 Ma
Minimum age of oldest fossil (stem group age): 11.608 Ma
Collections: one only
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Early/Lower Miocene - Middle Miocene | Cuba | Sanchezaster habanensis (91139) |