| Basic info | Taxonomic history | Classification | Included Taxa |
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Taxonomy
Aucella trigonoides was named by Lahusen Smith (1894).
It was synonymized subjectively with Buchia piochii by Stewart (1930); it was recombined as Buchia trigonoides by Jones et al. (1969).
It was synonymized subjectively with Buchia piochii by Stewart (1930); it was recombined as Buchia trigonoides by Jones et al. (1969).
Sister species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1894 | Aucella trigonoides Lahusen Smith p. 257 |
| 1945 | Aucella trigonoides Anderson p. 971 figs. Plate 13, figure 4 |
| 1969 | Buchia trigonoides Jones et al. pp. Plate 1 figs. 18-22, 25-35 |
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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.
†Buchia trigonoides Lahusen Smith 1894
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: g = genus, f = family, o = order, c = class | |||||
| References: Kiessling 2004, Aberhan et al. 2004, Steuber 2002 | |||||
Age range: base of the Late/Upper Tithonian to the top of the Valanginian or 150.80000 to 132.90000 Ma
Collections (19 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Tithonian | Canada (Northwest Territories) | Aucella trigonoides (55875 55879) | |
| Tithonian | USA (California) | Aucella trigonoides (224818) | |
| Late/Upper Tithonian | USA (California) | Buchia trigonoides (83599 224841) | |
| Early/Lower Berriasian | Russian Federation | Buchia trigonoides (47691 47699 47704 47708 47709 47710 47711 47712) | |
| Berriasian | Russian Federation (Siberia) | Buchia trigonoides (2469 2470) | |
| Berriasian | USA (California) | Buchia trigonoides (185361) | |
| Berriasian | Russian Federation | Buchia trigonoides (2519 2520) | |
| Valanginian | Svalbard and Jan Mayen | Aucella trigonoides (212033) |