| Basic info | Taxonomic history | Classification | Included Taxa |
| Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Duvalia grasiana
Taxonomy
Belemnites grasianus was named by Duval-Jouve (1841).
It was recombined as Duvalia grasi by Douvillé (1916); it was recombined as Duvalia grasiana by Janssen (2010).
It was recombined as Duvalia grasi by Douvillé (1916); it was recombined as Duvalia grasiana by Janssen (2010).
Sister species lacking formal opinion data
Synonymy list
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.
†Duvalia grasiana Duval-Jouve 1841
show all | hide all
Diagnosis
No diagnoses are available
Measurements
No measurements are available
|
|
||||
|
|
||||
|
|
||||
|
|
||||
| Source: o = order, c = class | |||||
| References: Kiessling 2004, Kiessling 2003 | |||||
Age range: base of the Hauterivian to the top of the Early/Lower Aptian or 132.60000 to 119.57000 Ma
Collections (9 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Neocomian | France | Duvalia grasiana (12219) | |
| Hauterivian | France (Provence) | Duvalia grasi (56776) | |
| Late/Upper Hauterivian | Hungary | Duvalia grasiana (61566) | |
| Barremian | Slovakia | Duvalia grasiana (2121) | |
| Early/Lower Barremian | France (Drôme) | Duvalia grasiana (157590) | |
| Late/Upper Barremian | France | Duvalia grasiana (12223) | |
| Early/Lower Aptian | Italy | Duvalia grasiana (12776) | |
| Early/Lower Aptian | France | Duvalia grasiana (12222) | |
| Aptian | Egypt | Duvalia grasi (171270) |