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Acroteuthis impressa
Taxonomy
Belemnites impressus was named by Gabb (1864).
It was recombined as Acroteuthis impressa by Anderson (1938).
It was recombined as Acroteuthis impressa by Anderson (1938).
Sister species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1864 | Belemnites impressus Gabb p. 58 figs. pl. 9, figs. 2, 2a |
| 1869 | Belemnites impressus Gabb p. 129 |
| 1883 | Belemnites impressus Whiteaves p. 82 |
| 1895 | Belemnites impressus Stanton p. 84 figs. PI. XX, figs. 1-5 |
| 1938 | Acroteuthis impressa Anderson p. 225 figs. Plate 81, figure 6; plate 82, figure 1, 1a, 1b |
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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.
†Acroteuthis impressa Gabb 1864
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: o = order, c = class | |||||
| References: Kiessling 2003, Kiessling 2004 | |||||
Age range: base of the Valanginian to the top of the Barremian or 137.05000 to 121.40000 Ma
Collections (6 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Valanginian | USA (California) | Belemnites impressus (83596 83608) | |
| Late/Upper Hauterivian | Canada (British Columbia) | Acroteuthis impressa (88106) | |
| Hauterivian - Barremian | USA (California) | Belemnites impressus (117991) | |
| Barremian | Canada (British Columbia) | Acroteuthis impressa (88116) | |
| Late/Upper Barremian | USA (California) | Acroteuthis impressa (225528) |