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Pteria (Oxytoma) nebrascana
Taxonomy
Avicula nebrascana was named by Evans and Shumard (1857) [DISTRIBUTION: Campanian; Western Interior.]. It is not a trace fossil.
It was recombined as Pteria (Oxytoma) nebrascana by Russell and Landes (1937).
It was recombined as Pteria (Oxytoma) nebrascana by Russell and Landes (1937).
Sister species lacking formal opinion data
Oxytoma arizonensis, Oxytoma articostata, Oxytoma censorius, Oxytoma czekanovskii, Oxytoma dumortieri, Oxytoma expansa, Oxytoma ferrugineum, Oxytoma inaequivalis, Oxytoma intermedia, Oxytoma jacksoni, Oxytoma laevicostata, Oxytoma multistriatum, Oxytoma oppeli, Oxytoma semiradiata, Oxytoma trechmanni, P. aculeati, P. africana, P. caudata, P. coturnix, P. falcata, P. gansingensis, P. hofmanni, P. nitida, P. percompressa, P. petropolitana, P. phalaenacea, P. pygmaea, P. rostrata, P. serini, P. stoppanii, P. tanganyicensis, P. tofanae, P. tofaniea, P. texturata, P. petropolitana
Synonymy list
| Year | Name and author |
|---|---|
| 1857 | Avicula nebrascana Evans and Shumard p. 38 |
| 1937 | Pteria (Oxytoma) nebrascana Russell and Landes p. 136 |
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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.
†Pteria (Oxytoma) nebrascana Evans and Shumard 1857
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: g = genus, o = order, c = class | |||||
| References: Aberhan et al. 2004, Kiessling 2004 | |||||
Age range: base of the Middle Coniacian to the top of the Early/Lower Maastrichtian or 89.30000 to 66.00000 Ma
Collections (40 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Coniacian | Canada (Alberta) | Pteria nebrascana (87508) | |
| Coniacian - Santonian | Canada (Alberta) | Oxytoma nebrascana (87433 87569) | |
| Middle Coniacian | Canada (Alberta) | Pteria nebrascana (87509 87510 87511 87512 87513 87514) | |
| Santonian | USA (Wyoming) | Pteria nebrascana (87786) | |
| Middle Santonian | Canada (Alberta) | Pteria nebrascana (87515) | |
| Campanian | Canada (Alberta) | Oxytoma nebrascana (87434) | |
| Campanian | USA (Wyoming) | Oxytoma nebrascana (1619 1665) Pteria nebrascana (105717) | |
| Early/Lower Campanian | Canada (Alberta) | Oxytoma nebrascana (87452) Pteria nebrascana (82650 82651 82653 82654 82670 82672 82675 82679 89218) | |
| Late/Upper Campanian | Canada (Alberta) | Oxytoma nebrascana (87440) Pteria nebrascana (82639) | |
| Late/Upper Campanian | USA (Montana) | Pteria nebrascana (212997 213000 213003 213074) | |
| Middle Campanian | Canada (Alberta) | Pteria nebrascana (82686) | |
| Maastrichtian | USA (Wyoming) | Oxytoma nebrascana (1583 1614) | |
| Early/Lower Maastrichtian | Canada (Alberta) | Pteria nebrascana (82644 82645) | |
| Early/Lower Maastrichtian | USA (Wyoming) | Oxytoma nebrascana (1586) | |
| Early/Lower Maastrichtian | Canada (Saskatachewan) | Oxytoma nebrascana (234104) | |
| Late/Upper Maastrichtian | USA (South Dakota) | Oxytoma nebrascana (88510 88511) |