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Acteonina hanseni
Taxonomy
Acteonina hanseni was named by Hoare (2004) [= Bulimorpha canaliculata Morse, 1911, p. 400, Fig. 25]. Its type specimen is OSU 12207, a shell, and it is a 3D body fossil. Its type locality is Exposure in railroad cut along Jonathan Creek, which is in a Chesterian/Brigantian carbonate limestone/shale in the Maxville Limestone Formation of Ohio.
Sister species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 2004 | Acteonina hanseni Hoare p. 90 figs. 1.29, 1.30 |
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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.
†Acteonina hanseni Hoare 2004
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Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| R. D. Hoare 2004 | Small cylindrical shell with short spire; whorls sharply shouldered; ramp flat to slightly inclined; surface smooth.
Small, cylindrical shell of 5 to 6 whorls; protoconch smooth, depressed; ultimate whorl three times length of spire, tapering convexly to base; whorls gradate, sharply shouldered with flat to slightly inclined ramps; surface smooth; apical angle of 80 degrees. |
Measurements
No measurements are available
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| Source: c = class | |||||
| Reference: Kiessling 2004 | |||||
Age range: base of the Chesterian to the top of the Brigantian or 335.50000 to 330.90000 Ma
Collections (2 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Chesterian - Brigantian | USA (Ohio) | Acteonina hanseni (type locality: 85368) | |
| Chesterian | USA (Ohio) | Bulimorpha canaliculata (128005) |