| Basic info | Taxonomic history | Classification | Included Taxa |
| Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Cymatoceras bifidum
Taxonomy
Cymatoceras bifidum was named by Shimansky (1975). Its type specimen is PIN 2968/1, a shell, and it is a 3D body fossil. Its type locality is Naiba River, below mouth of Sejm River, which is in a Campanian marine horizon in the Russian Federation.
Sister species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1975 | Cymatoceras bifidum Shimansky p. 108 figs. Pl 23, fig 1 |
| 2003 | Cymatoceras bifidum Wilmsen and Yazykova p. 487 fig. 6B |
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.
†Cymatoceras bifidum Shimansky 1975
show all | hide all
Diagnosis
No diagnoses are available
Measurements
No measurements are available
|
|
||||
|
|
||||
|
|
||||
|
|
||||
| Source: f = family, o = order, c = class | |||||
| References: Kiessling 2004, Kiessling 2003, Hendy et al. 2009 | |||||
Age range: base of the Santonian to the top of the Early/Lower Campanian or 85.70000 to 72.20000 Ma
Collections (5 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Santonian | Russian Federation | Cymatoceras bifidum (165790) | |
| Santonian - Campanian | Russian Federation | Cymatoceras bifidum (165789) | |
| Early/Lower Campanian | Russian Federation | Cymatoceras bifidum (type locality: 165787 165788) | |
| Middle Campanian | Russian Federation | Cymatoceras bifidum (172978) |