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Hydnoangulus
Taxonomy
Hydnoangulus was named by Rigby and Ausich (1981) [Sepkoski's age data: C Vise-l Sepkoski's reference number: 234]. It is not extant. Its type is Hydnoangulus quadratus.
It was assigned to Lyssacinosida by Sepkoski (2002); and to Hydnoceratinae by Finks et al. (2004).
It was assigned to Lyssacinosida by Sepkoski (2002); and to Hydnoceratinae by Finks et al. (2004).
Species
H. quadratus (type species)
Entered
by J. Sepkoski on 2003-01-23; modified by U. Merkel on 2013-10-27
Synonymy list
| Year | Name and author |
|---|---|
| 1981 | Hydnoangulus Rigby and Ausich |
| 2002 | Hydnoangulus Sepkoski |
| 2004 | Hydnoangulus Finks et al. |
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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. †Hydnoangulus Rigby and Ausich 1981
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†Hydnoangulus quadratus Rigby and Ausich 1981
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: o = order, c = class | |||||
| References: Bambach et al. 2007, Kiessling 2004 | |||||
Age range: base of the Early/Lower Mississippian to the top of the Arundian or 358.86000 to 339.90000 Ma
Collections (2 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Early/Lower Mississippian | USA (Indiana) | H. quadratus (111786) | |
| Chadian - Arundian | USA (Indiana) | H. sp. (556) |