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Isocrinus californicus
Taxonomy
Isocrinus californicus was named by Clark and Twitchell (1915) [attributed to Clark only]. It is a 3D body fossil. Its type locality is Round Mountain, west, which is in a Triassic marine horizon in the Cedar Formation of California.
Sister species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1915 | Isocrinus californicus Clark and Twitchell p. 21 figs. Pl 1, figs 2a-c |
| 1927 | Isocrinus californicus Smith p. 125 figs. Pl 95, fig 6; pl 104, fig 13 |
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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.
†Isocrinus californicus Clark and Twitchell 1915
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: f = family, c = class, p = phylum | |||||
| References: Aberhan 1992, Donovan 1994, Kiessling 2004 | |||||
Age range: Tuvalian or 233.60000 to 227.30000 Ma
Collections (4 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Late/Upper Triassic | USA (California) | Isocrinus californicus (type locality: 203308 203309) | |
| Tuvalian | USA (California) | Isocrinus californicus (33324 144078) |