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Palaeastacus walkeri
Taxonomy
Paramithrax walkeri was named by Whitfield (1883).
It was recombined as Palaeastacus walkeri by Rathbun (1935), Schweitzer et al. (2010).
It was recombined as Palaeastacus walkeri by Rathbun (1935), Schweitzer et al. (2010).
Sister species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1883 | Paramithrax walkeri Whitfield |
| 1935 | Palaeastacus walkeri Rathbun p. 21 |
| 2010 | Palaeastacus walkeri Schweitzer et al. p. 26 |
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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.
†Palaeastacus walkeri Whitfield 1883
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: f = family, o = order, c = class | |||||
| References: Aberhan 1992, Fearon and Clapham 2023, Turnsek 1997 | |||||
Age range: base of the Late/Upper Albian to the top of the Maastrichtian or 106.30000 to 66.00000 Ma
Collections (4 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Late/Upper Albian | USA (Texas) | Palaeastacus walkeri (140917 140918) | |
| Cenomanian - Turonian | USA (Texas) | Palaeastacus walkeri (140920) | |
| Maastrichtian | USA (Texas) | Palaeastacus walkeri (140921) |