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| Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Epistroboceras pitkinense
Taxonomy
Epistroboceras pitkinense was named by Niko and Mapes (2005) [Stroboceras (Epistroboceras) sp., Gordon, 1964, p. 147.
Epistroboceras sp., Niko and Mapes, 2004, p. 341.]. Its type specimen is OUZC 5102, a shell, and it is not a trace fossil. Its type locality is Loc. 2. Road cut on the southern side of AR-Highway 66, ~1 km northeast of, which is in a Chesterian reef, buildup or bioherm grainstone/packstone in the Pitkin Formation of Arkansas.
Synonymy list
| Year | Name and author |
|---|---|
| 2005 | Epistroboceras pitkinense Niko and Mapes pp. 234 – 237 figs. 1, 2.1–2.8, 2.10, 2.11, 3.2, 3.4 |
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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.
†Epistroboceras pitkinense Niko and Mapes 2005
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Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| S. Niko and R. H. Mapes 2005 | Species of Epistroboceras with width/height ratios of 0.75–0.83 and dorsally shifted umbilical angle in adoral whorl with umbilical zone height per whorl height ratios of 0.17–0.25; ventral platform relatively wide; ventral (hyponomic) sinus U-shaped; siphuncular position ratios (see the description for its definition) are 0.23–0.25. |
Measurements
No measurements are available
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| Source: o = order, c = class | |||||
| References: Kiessling 2004, Kiessling 2003 | |||||
Age range: Chesterian or 335.50000 to 323.20000 Ma
Collections: one only
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Chesterian | USA (Arkansas) | Epistroboceras pitkinense (type locality: 79627) |