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Knightoceras kempae
Taxonomy
Knightoceras kempae was named by Miller and Youngquist (1949). It is a 3D body fossil. Its type locality is England Schoolhouse, 1.5 miles N, Baylor County, which is in an Artinskian marine horizon in the Clyde Formation of Texas.
Synonymy list
| Year | Name and author |
|---|---|
| 1949 | Knightoceras kempae Miller and Youngquist p. 38 figs. Pl 16, fig 1; pl 55, fig 1; pl 58, figs 1,2 |
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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.
†Knightoceras kempae Miller and Youngquist 1949
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Diagnosis
No diagnoses are available
Measurements
| part | N | mean | |||||
|---|---|---|---|---|---|---|---|
| shell height | 1 | 12.0 | |||||
| shell diameter | 1 | 32.0 | |||||
| shell inflation | 1 | 12.5 |
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| Source: o = order, c = class | |||||
| References: Kiessling 2003, Kiessling 2004 | |||||
Age range: Artinskian or 290.10000 to 283.30000 Ma
Collections (2 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Artinskian | USA (Texas) | Knightoceras kempae (type locality: 113417) Nautilus winslowi (108766) |