Basic info | Taxonomic history | Classification | Included Taxa |
Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Aphelaeceras
Taxonomy
Aphelaeceras was named by Hyatt (1884) [Sepkoski's age data: C Tour-u C Serp-l Sepkoski's reference number: 524].
It was assigned to Nautilida by Sepkoski (2002); and to Trigonoceratidae by Hyatt (1894), Teichert et al. (1964), Niko and Mapes (2007) and Korn et al. (2020).
It was assigned to Nautilida by Sepkoski (2002); and to Trigonoceratidae by Hyatt (1894), Teichert et al. (1964), Niko and Mapes (2007) and Korn et al. (2020).
Species
Synonymy list
Year | Name and author |
---|---|
1884 | Aphelaeceras Hyatt |
1894 | Apheleceras Hyatt p. 539 |
1964 | Aphelaeceras Teichert et al. p. 428 |
2002 | Aphelaeceras Sepkoski |
2007 | Aphelaeceras Niko and Mapes p. 294 |
2020 | Aphelaeceras Korn et al. p. 156 |
Is something missing? Join the Paleobiology Database and enter the data
|
|
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. †Aphelaeceras Hyatt 1884
show all | hide all
†Aphelaeceras arkansanum Gordon 1964
†Aphelaeceras falciferum Yin 1933
†Aphelaeceras nayongense Zheng 1984
Diagnosis
Reference | Diagnosis | |
---|---|---|
S. Niko and R. H. Mapes 2007 | Like Epistroboceras, but its flanks in adoral whorls are non-angulated because of the obsolescence of the ventrolateral grooves that are present in the earlier ontogenetic growth stages. |
Measurements
part | N | mean | minimum | maximum | median | s.d. | |
---|---|---|---|---|---|---|---|
shell height | 3 | 19.7 | - | - | 19.7 | - | |
shell diameter | 3 | 54.0 | 28.6 | 110.0 | 50.0 | 42.2 | |
shell inflation | 3 | 15.5 | - | - | 15.5 | - |
|
|
||||
|
|
||||
|
|
||||
|
|
||||
Source: o = order, c = class | |||||
References: Kiessling 2004, Kiessling 2003 |
Age range: base of the Ivorian to the top of the Changhsingian or 353.80000 to 252.17000 Ma
Collections (8 total)
Time interval | Ma | Country or state | Original ID and collection number |
---|---|---|---|
Ivorian - Chadian | Ireland | A. hibernicum, A. mutabile (76501) | |
Chesterian | USA (Montana) | A. sp. (579) | |
Serpukhovian | USA (Arkansas) | A. arkansanum (5517) | |
Arnsbergian | USA (Arkansas) | A. arkansanum (157948 157960 158036) | |
Sakmarian | Japan | A. falciferum (107622) | |
Changhsingian | China (Guizhou) | A. nayongense (121699) |