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Hebetoceras
Taxonomy
Hebetoceras was named by Flower (1941). Its type is Hebetoceras mirandum.
It was assigned to Hebetoceratinae by Flower (1941); to Hebetoceratidae by Teichert et al. (1964), Crick (1981); and to Ascocerida by Sepkoski (2002).
It was assigned to Hebetoceratinae by Flower (1941); to Hebetoceratidae by Teichert et al. (1964), Crick (1981); and to Ascocerida by Sepkoski (2002).
Species
H. cylindriforme, H. mirandum (type species)
Synonymy list
| Year | Name and author |
|---|---|
| 1941 | Hebetoceras Flower |
| 1964 | Hebetoceras Teichert et al. p. 277 |
| 1981 | Hebetoceras Crick p. 229 |
| 2002 | Hebetoceras 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. †Hebetoceras Flower 1941
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†Hebetoceras cylindriforme Flower 1941
†Hebetoceras mirandum Flower 1941
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: o = order, c = class | |||||
| References: Kiessling 2004, Aberhan et al. 2004 | |||||
Age range: base of the Chazyan to the top of the Blackriveran or 471.30000 to 449.60000 Ma
Collections (7 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Chazyan | USA (New York) | H. mirandum (171817) | |
| Ashbyan | USA (New York) | H. cylindriforme (89040) | |
| Blackriveran | USA (Illinois, Iowa, Wisconsin) | H. sp. (23753 23756 23757 23758) | |
| Blackriveran - Rocklandian | USA (Minnesota) | H. sp. (23691) |