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| Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Cidaris texanus
Taxonomy
Cidaris texanus was named by Clark (1891). It is a 3D body fossil. Its type locality is Hill locality 354, Cline Mountain, which is in a Campanian carbonate chalk in the Austin Chalk Formation of Texas.
Sister species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1891 | Cidaris texanus Clark |
| 1915 | Cidaris texanus Clark and Twitchell p. 45 |
| 1953 | Cidaris texanus Cooke p. 5 figs. Pl 1, 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.
†Cidaris texanus Clark 1891
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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: Aberhan 1992, Kiessling 2004 | |||||
Age range: Early/Lower Campanian or 83.50000 to 70.60000 Ma
Collections (3 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Early/Lower Campanian | USA (Texas) | Cidaris texanus (78198 type locality: 78201 78202) |