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Pachylyroceras
Taxonomy
Pachylyroceras was named by Ruzhentsev and Bogoslovskaya (1971) [Sepkoski's age data: C Vise-u C Serp-l Sepkoski's reference number: 302,304]. Its type is Lyrogoniatites cloudi.
It was assigned to Goniatitida by Sepkoski (2002); to Lyrogoniatitinae by Korn (2006), Furnish et al. (2009); and to Neoglyphioceratidae by Korn and Titus (2015).
It was assigned to Goniatitida by Sepkoski (2002); to Lyrogoniatitinae by Korn (2006), Furnish et al. (2009); and to Neoglyphioceratidae by Korn and Titus (2015).
Species
Synonymy list
| Year | Name and author |
|---|---|
| 1971 | Pachylyroceras Ruzhentsev and Bogoslovskaya p. 243 |
| 2002 | Pachylyroceras Sepkoski |
| 2006 | Pachylyroceras Korn |
| 2009 | Pachylyroceras Furnish et al. p. 65 |
| 2015 | Pachylyroceras Korn and Titus p. 100 |
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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. †Pachylyroceras Ruzhentsev and Bogoslovskaya 1971
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†Pachylyroceras cloudi Miller and Youngquist 1948
†Pachylyroceras newsomi Smith 1903
Diagnosis
No diagnoses are available
Measurements
| part | N | mean | minimum | maximum | median | s.d. | |
|---|---|---|---|---|---|---|---|
| shell height | 6 | 5.68 | 3.50 | 8.20 | 5.50 | 1.89 | |
| shell diameter | 6 | 15.1 | 7.90 | 21.7 | 16.9 | 5.71 | |
| shell inflation | 6 | 4.45 | 1.50 | 6.80 | 5.30 | 1.95 |
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| Source: o = order, c = class | |||||
| References: Kiessling 2004, Kiessling 2003 | |||||
Age range: base of the Asbian to the top of the Brigantian or 339.90000 to 330.30000 Ma
Collections (12 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Asbian | USA (Texas) | Neoglyphioceras newsomi (131235) | |
| Brigantian | USA (Oklahoma) | Neoglyphioceras cloudi (160504) | |
| Brigantian | USA (Texas) | P. cloudi (169950) | |
| Brigantian | USA (Arkansas) | Neoglyphioceras cloudi (157832) Neoglyphioceras newsomi (157815 157849 157862 157863 157864 160479) | |
| Brigantian - Pendleian | Serbia | P. sp. (177516 177521) |