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Pterotrigonia evansana
Taxonomy
Trigonia evansana was named by Meek (1864).
It was recombined as Pterotrigonia evansana by Jones (1960), Haggart and Graham (2018).
It was recombined as Pterotrigonia evansana by Jones (1960), Haggart and Graham (2018).
Sister species lacking formal opinion data
Synonyms
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Synonymy list
| Year | Name and author |
|---|---|
| 1864 | Trigonia evansii Gabb p. 189 figs. PL 25, Fig. 177 |
| 1864 | Trigonia evansana Meek p. 189 figs. pl. 25, fig. 177 |
| 1876 | Trigonia evansi Meek p. 359 figs. Pl. 2, figs. 7, 72, and 7b |
| 1917 | Trigonia evansana Waring p. 65 figs. Pl. 8, Fig. 6 |
| 1921 | Trigonia evansana Packard pp. 25 - 26 figs. Plate 9, Figures 5 and 6 |
| 1921 | Trigonia inezana Packard p. 27 figs. Plate 8, Figures 1a, and 1b; Plate 9, Figure 1, and Plate 10, Figure 1 |
| 1958 | Trigonia churchi Anderson p. 115 figs. Plate 17, figures 6, 7 |
| 1960 | Pterotrigonia evansana Jones p. 436 figs. Pl. 59, figs. 6,7,12,15; pl. 60, figs. 1-11 |
| 2018 | Pterotrigonia evansana Haggart and Graham p. 283 |
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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.
†Pterotrigonia evansana Meek 1864
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Invalid names: Trigonia churchi Anderson 1958 [synonym], Trigonia inezana Packard 1921 [synonym]
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: o = order, c = class | |||||
| Reference: Aberhan et al. 2004 | |||||
Age range: base of the Cenomanian to the top of the Early/Lower Campanian or 100.50000 to 70.60000 Ma
Collections (84 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Cenomanian | USA (California) | Trigonia evansana (167601 167603) Trigonia inezana (215424) | |
| Late/Upper Cretaceous | USA (California) | Trigonia evansana (206274 206277 206278 237456 237458 237459 237460) | |
| Turonian | USA (California) | Pterotrigonia evansana (185440) Trigonia evansana (44212) Trigonia inezana (44201) | |
| Coniacian | USA (California) | Trigonia evansii (44232) | |
| Coniacian - Santonian | USA (California) | Pterotrigonia evansana (185441 185448) | |
| Santonian | USA (California) | Pterotrigonia evansana (185391) Trigonia churchi (215637) Trigonia evansana (44275) | |
| Late/Upper Santonian | Canada (British Columbia) | Pterotrigonia evansana (210547) | |
| Campanian | USA (California) | Pterotrigonia evansana (168010 168012 238653) Trigonia churchi (215345) Trigonia evansana (44274) | |
| Early/Lower Campanian | USA (California) | Pterotrigonia evansana (185176 238649 238650 238651) Trigonia evansana (3885 185171 185172 220366 220920) Trigonia evansana, Pterotrigonia evansana (220929) | |
| Late/Upper Campanian | USA (California) | Pterotrigonia evansana (86793 86794 86872 98225 167704 167705 167706 167707 185370 214144) Trigonia evansana (1521 1523 1525 1526 1527 1528 1530 1531 1532 1534 1537 1538 1539 1541 1546 1551 1552 72057 219077) | |
| Middle Campanian | USA (California) | Pterotrigonia evansana (69314 144763 144764 168009 220924) Trigonia evansana (185178 193033 219078 219079 220912 220915 220919 220921 220926 220927) Trigonocallista bowersiana (220916) | |
| Middle Campanian - Late/Upper Campanian | USA (California) | Pterotrigonia evansana (215264 215265) | |
| Late/Upper Campanian - Early/Lower Maastrichtian | Canada (British Columbia) | Pterotrigonia evansana (235453) | |
| Maastrichtian | USA (California) | Pterotrigonia evansana (1354) |