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Monogonoceras
Taxonomy
Monogonoceras was named by Ulrich et al. (1944) [Sepkoski's age data: O Aren]. Its type is Monogonoceras alabamense.
It was assigned to Bassleroceratidae by Ulrich et al. (1944), Crick (1981); and to Ellesmerocerida by Sepkoski (2002).
It was assigned to Bassleroceratidae by Ulrich et al. (1944), Crick (1981); and to Ellesmerocerida by Sepkoski (2002).
Species
Synonymy list
| Year | Name and author |
|---|---|
| 1944 | Monogonoceras Ulrich et al. p. 50 |
| 1981 | Monogonoceras Crick p. 227 |
| 2002 | Monogonoceras Sepkoski |
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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. †Monogonoceras Ulrich et al. 1944
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†Monogonoceras alabamense Ulrich et al. 1944
†Monogonoceras magnisiphonatum Ulrich et al. 1944
†Monogonoceras subrectum Ulrich et al. 1944
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: c = class | |||||
| Reference: Kiessling 2004 | |||||
Age range: base of the Stairsian to the top of the Migneintian or 483.40000 to 477.10000 Ma
Collections (6 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Stairsian | USA (Alabama) | M. alabamense (101386) | |
| Stairsian | USA (Missouri) | M. subrectum (101390) | |
| Stairsian | USA (Virginia) | M. magnisiphonatum (101387 101388 101389) | |
| Migneintian | USA (Missouri) | M. sp. (50206) |