| Basic info | Taxonomic history | Classification | Included Taxa |
| Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Duashnoceras
Taxonomy
Duashnoceras is a genus. It is not extant. Its type is Stephanoceras floresi.
It was assigned to Stephanoceratinae by Sandoval and Westermann (1986); and to Ammonoidea by Sepkoski (2002).
It was assigned to Stephanoceratinae by Sandoval and Westermann (1986); and to Ammonoidea by Sepkoski (2002).
Species
Synonymy list
| Year | Name and author |
|---|---|
| 1986 | Duashnoceras Sandoval and Westermann p. 1238 |
| 2002 | Duashnoceras Sepkoski |
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. †Duashnoceras
show all | hide all
†Duashnoceras andinense Hillebrandt 1977
†Duashnoceras floresi Burckhardt 1927
†Duashnoceras paucicostatum Felix 1891
†Duashnoceras undulatum Burckhardt 1927
Diagnosis
No diagnoses are available
Measurements
| part | N | mean | minimum | maximum | median | s.d. | |
|---|---|---|---|---|---|---|---|
| shell height | 2 | 18.8 | 18.6 | 19.0 | 18.8 | 0.283 | |
| shell diameter | 2 | 56.0 | 55.0 | 57.0 | 56.0 | 1.41 | |
| shell inflation | 2 | 23.5 | 23.0 | 24.0 | 23.5 | 0.707 |
|
|
||||
|
|
||||
|
|
||||
|
|
||||
| Source: o = order, c = class | |||||
| References: Kiessling 2004, Kiessling 2003 | |||||
Age range: Bajocian or 170.90000 to 168.20000 Ma
Collections (6 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Bajocian | Mexico (Oaxaca) | D. floresi, D. paucicostatum, D. andinense (8059) D. floresi, D. paucicostatum, D. undulatum (8062 8065) D. paucicostatum (8060) D. paucicostatum, D. andinense (8066) D. sp. (8063) |