| Basic info | Taxonomic history | Classification | Included Taxa |
| Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Acanthoceras amphibolum
Taxonomy
Acanthoceras amphibolum was named by Morrow (1935).
It was recombined as Cunningtoniceras amphibolum by Cobban (1987).
It was recombined as Cunningtoniceras amphibolum by Cobban (1987).
Subspecies
Sister species lacking formal opinion data
Synonyms
|
Synonymy list
| Year | Name and author |
|---|---|
| 1935 | Acanthoceras amphibolum Morrow p. 470 figs. Pl 49, figs 1-4,6; pl 51, figs 3,4 |
| 1942 | Acanthoceras alvaradoense Moreman p. 205 figs. Pl 32, fig 6; text-figs 2o,t |
| 1952 | Acanthoceras hazzardi Stephenson p. 201 figs. Pl 48, figs 1,2; pl 49, fig 4 |
| 1955 | Euomphaloceras alvaradoense Stephenson p. 63 figs. pl. 7, figs. 1-9 |
| 1985 | Acanthoceras amphibolum Zaborski p. 35 figs. 38-41 |
| 1987 | Cunningtoniceras amphibolum Cobban p. 9 figs. pls 4–8; text-figs 48–63 |
| 1988 | Acanthoceras amphibolum Kennedy et al. p. 38 figs. 1w-z,cc-ff, 2a,b |
| 2007 | Acanthoceras amphibolum Hook and Cobban p. 94 fig. 14B |
| 2020 | Acanthoceras amphibolum Kennedy p. 211 figs. Pl. 27 |
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.
†Acanthoceras amphibolum Morrow 1935
show all | hide all
Invalid names: Acanthoceras alvaradoense Moreman 1942 [synonym], Acanthoceras hazzardi Stephenson 1952 [synonym]
†Cunningtoniceras amphibolum fallense Cobban 1987
show all | hide all
Diagnosis
No diagnoses are available
Measurements
| part | N | mean | minimum | maximum | median | s.d. | |
|---|---|---|---|---|---|---|---|
| shell height | 5 | 42.9 | 24.5 | 70.0 | 51.0 | 20.0 | |
| shell diameter | 5 | 118.2 | 63.5 | 215.0 | 135.0 | 64.1 | |
| shell inflation | 5 | 44.9 | 21.2 | 90.0 | 56.0 | 29.5 |
|
|
||||
|
|
||||
|
|
||||
|
|
||||
| Source: o = order, c = class | |||||
| References: Kiessling 2004, Kiessling 2003 | |||||
Age range: base of the Late/Upper Cenomanian to the top of the Cenomanian or 99.60000 to 93.90000 Ma
Collections (21 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Cenomanian | USA (New Mexico) | Acanthoceras amphibolum (10180) | |
| Cenomanian | USA (Texas) | Acanthoceras hazzardi (6485 6492 6568 6569) Euomphaloceras alvaradoense (2120 2122 2123 2125 231936) | |
| Late/Upper Cenomanian | USA (New Mexico) | Acanthoceras amphibolum (176967) | |
| Middle Cenomanian | Egypt | Acanthoceras amphibolum (151581 151603) | |
| Middle Cenomanian | USA (New Mexico) | Acanthoceras amphibolum (178790 178835 178838) | |
| Middle Cenomanian | USA (South Dakota) | Cunningtoniceras fallense (232640) | |
| Middle Cenomanian | USA (Wyoming) | Acanthoceras amphibolum, Acanthoceras alvaradoense, Cunningtoniceras amphibolum (231777) Acanthoceras amphibolum, Cunningtoniceras fallense (231776) Cunningtoniceras amphibolum (177081) | |
| Middle Cenomanian | Nigeria | Acanthoceras amphibolum (69629) |