| Basic info | Taxonomic history | Classification | Included Taxa |
| Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Amphitherium rixoni
Taxonomy
Amphitherium rixoni was named by Butler and Clemens (2001). Its type specimen is BMNH 36822, a mandible (right dentary), and it is a 3D body fossil. Its type locality is Stonesfield Slate quarries, which is in a Bathonian marginal marine sandstone in the Taynton Limestone Formation of the United Kingdom.
Synonymy list
| Year | Name and author |
|---|---|
| 2001 | Amphitherium rixoni Butler and Clemens pp. 7-9 figs. 1A, 5F-H, 6, 7B |
| 2004 | Amphitherium rixoni Kielan-Jaworowska et al. pp. 380, 395 |
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.
†Amphitherium rixoni Butler and Clemens 2001
show all | hide all
Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| P. M. Butler and W. A. Clemens 2001 | Differing from Amphitherium prevostii in: (1) smaller size of its postcanine dentition; (2) talonid ridge of P/5 extends directly posteriorly from the main cusp (protoconid) and there is not anexpansion in the metaconid region; and (3) metaconid of M/1 is similar to that of M/2 in its fully lingual position. |
Measurements
No measurements are available
|
|
||||
|
|
||||
|
|||||
|
|
||||
| Source: c = class, subp = subphylum, uc = unranked clade | |||||
| References: Hopson 1973, Hendy et al. 2009, Carroll 1988, Luo et al. 2003 | |||||
Age range: Middle Bathonian or 168.20000 to 165.30000 Ma
Collections: one only
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Middle Bathonian | United Kingdom (England) | Amphitherium rixoni (type locality: 59357) |