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Lytheoceras
Taxonomy
Lytheoceras was named by Ruzhentsev and Bogoslovskaya (1971) [Sepkoski's age data: C Serp-l Sepkoski's reference number: 302,304]. Its type is Lytheoceras nitidum.
It was assigned to Goniatitida by Sepkoski (2002); to Neoglyphioceratidae by Korn (2006); and to Neoglyphioceratinae by Furnish et al. (2009).
It was assigned to Goniatitida by Sepkoski (2002); to Neoglyphioceratidae by Korn (2006); and to Neoglyphioceratinae by Furnish et al. (2009).
Species
L. nitidum (type species), L. subcrassulum
Synonymy list
| Year | Name and author |
|---|---|
| 1971 | Lytheoceras Ruzhentsev and Bogoslovskaya p. 320 |
| 2002 | Lytheoceras Sepkoski |
| 2006 | Lytheoceras Korn |
| 2009 | Lytheoceras Furnish et al. p. 63 |
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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. †Lytheoceras Ruzhentsev and Bogoslovskaya 1971
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†Lytheoceras nitidum Ruzhentsev and Bogoslovskaya 1971
†Lytheoceras subcrassulum Ruzhentsev and Bogoslovskaya 1971
Diagnosis
No diagnoses are available
Measurements
| part | N | mean | minimum | maximum | median | s.d. | |
|---|---|---|---|---|---|---|---|
| shell height | 4 | 7.81 | 5.60 | 9.20 | 8.50 | 1.62 | |
| shell diameter | 4 | 18.0 | 12.0 | 21.8 | 19.9 | 4.39 | |
| shell inflation | 4 | 3.87 | 2.30 | 5.40 | 4.25 | 1.29 |
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| Source: o = order, c = class | |||||
| References: Kiessling 2003, Kiessling 2004 | |||||
Age range: Pendleian or 330.30000 to 326.90000 Ma
Collections (3 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Pendleian | Russian Federation (Bashkortostan) | L. subcrassulum (166952) | |
| Pendleian | Russian Federation (Orenburg) | L. subcrassulum (166930) | |
| Pendleian | Kazakhstan | L. nitidum (166866) |