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Cidaris tehamaensis
Taxonomy
Cidaris tehamaensis was named by Clark and Twitchell (1915). Its type specimen is USNM 31195 and is a 3D body fossil. Its type locality is Shelton's Ranch, which is in a Cretaceous marine horizon in the Knoxville Formation of California.
Sister species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1915 | Cidaris tehamaensis Clark and Twitchell p. 44 figs. Plate IX, Fig. 1 |
| 1920 | Cidaris tehamaensis Kew p. 54 figs. Plate .3, figure 1 |
| 1938 | Cidaris tehamaensis Anderson p. 92 |
| 1938 | Cidaris tehamaensis Grant and Hertlein p. 6 |
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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 tehamaensis Clark and Twitchell 1915
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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 Cretaceous or 143.10000 to 100.50000 Ma
Collections: one only
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Early/Lower Cretaceous | USA (California) | Cidaris tehamensis (type locality: 203406) |