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Taxonomy
Callocallista arnoldi was named by Weaver (1916) [DISTRIBUTON: Oligocene; Washington.]. Its type specimen is CAS 459, a shell, and it is a 3D body fossil.
It was recombined as Pitaria (Katherinella) arnoldi by Tegland (1929), Clark (1932), Tegland (1933), Weaver (1942), Durham (1944); it was recombined as Katherinella arnoldi by Stenzel et al. (1957).
It was recombined as Pitaria (Katherinella) arnoldi by Tegland (1929), Clark (1932), Tegland (1933), Weaver (1942), Durham (1944); it was recombined as Katherinella arnoldi by Stenzel et al. (1957).
Sister species lacking formal opinion data
Synonyms
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Synonymy list
| Year | Name and author |
|---|---|
| 1912 | Marcia oregonensis Weaver p. 63 figs. Pl. 12, fig. 96 |
| 1916 | Callocallista arnoldi Weaver pp. 40, 41 figs. pl. 2, fig. 13 |
| 1929 | Pitaria (Katherinella) arnoldi Tegland pp. 280-282 |
| 1932 | Pitaria (Katherinella) arnoldi Clark |
| 1933 | Pitaria (Katherinella) arnoldi Tegland p. 118 |
| 1942 | Pitaria (Katherinella) arnoldi Weaver p. 185 |
| 1944 | Pitaria (Katherinella) arnoldi Durham p. 147 |
| 1957 | Katherinella arnoldi Stenzel et al. p. 133 |
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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.
†Katherinella arnoldi Weaver 1916
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Invalid names: Marcia oregonensis Weaver 1912 [synonym]
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: f = family, c = class | |||||
| References: Aberhan et al. 2004, Kiessling 2004 | |||||
Age range: base of the Paleocene to the top of the Early/Lower Pleistocene or 66.00000 to 0.77400 Ma
Collections (21 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Paleocene | Russian Federation | Pitar arnoldi (50177) | |
| Lutetian - Bartonian | Russian Federation | Pitar arnoldi (50051) | |
| Oligocene | USA (Washington) | Marcia oregonensis (238098 239320 239450 239622 239630) | |
| Chattian | USA (Washington) | Callocallista arnoldi, Pitar arnoldi (52380) Marcia oregonensis (52356 52364) Pitar arnoldi (52362) | |
| Early/Lower Miocene | USA (Washington) | Marcia oregonensis (239436 239443 239444 239445 241047) | |
| Early/Lower Pliocene | USA (Oregon) | Marcia oregonensis (71146 71148 71152 71153) | |
| Late/Upper Pliocene - Early/Lower Pleistocene | USA (Washington) | Marcia oregonensis (71109) |