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Palaeocaris typus
Taxonomy
Palaeocaris typus was named by Meek and Worthen (1865). Its type specimen is University of Illinois X 338 and is an impression. Its type locality is Mazon Creek (University of Illinois collection), which is in a Westphalian D deltaic mudstone in the Carbondale Formation of Illinois. It is the type species of Palaeocaris.
Sister species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1865 | Palaeocaris typus Meek and Worthen p. 49 |
| 2006 | Palaeocaris typus Perrier et al. p. 658 figs. 7A-D, 8A,B |
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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.
†Palaeocaris typus Meek and Worthen 1865
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: c = class | |||||
| Reference: Aberhan 1992 | |||||
Age range: Westphalian D or 309.80000 to 307.50000 Ma
Collections (3 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Westphalian D | USA (Illinois) | Palaeocaris typus (112638 133734 type locality: 152106) |