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Trobus
Taxonomy
Trobus was named by Stephenson (1955) [Sepkoski's age data: K Maes Sepkoski's reference number: 914].
It was assigned to Turritellidae by Sohl (1960); and to Neotaenioglossa by Sepkoski (2002).
It was assigned to Turritellidae by Sohl (1960); and to Neotaenioglossa by Sepkoski (2002).
Synonymy list
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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.
G. †Trobus Stephenson 1955
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Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| N. F. Sohl 1960 | Large, thick, high turrited shells, with numerous flattened to excavated concave whorls; sutures in deep furrows overhung on mature whorls by flange like extensions of the upper whorl surfaces; base with coarse spiral cords; aperture with moderately thick callus on parietal lip. |
Measurements
No measurements are available
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| Source: f = family, c = class | |||||
| References: Hendy et al. 2009, Kiessling 2004 | |||||
Age range: base of the Late/Upper Maastrichtian to the top of the Early/Lower Maastrichtian or 70.60000 to 66.00000 Ma
Collections (9 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Maastrichtian | USA (Mississippi) | T. corona (7601) | |
| Early/Lower Maastrichtian | USA (Mississippi) | T. corona (4100 7586 7590 7602) | |
| Late/Upper Maastrichtian | USA (Mississippi) | T. buboanus (4125 4126 4127) | |
| Late/Upper Maastrichtian | USA (Missouri) | T. buboanus (4382) |