| Basic info | Taxonomic history | Classification | Included Taxa |
| Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Phymatoceras robustum
Taxonomy
Phymatoceras robustum was named by Hyatt (1867). It is not extant.
Sister species lacking formal opinion data
Synonymy list
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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.
†Phymatoceras robustum Hyatt 1867
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Diagnosis
No diagnoses are available
Measurements
| part | N | mean | minimum | maximum | median | s.d. | |
|---|---|---|---|---|---|---|---|
| shell height | 2 | 11.9 | 9.80 | 14.4 | 12.1 | 3.25 | |
| shell diameter | 2 | 40.5 | 31.9 | 51.5 | 41.7 | 13.9 | |
| shell inflation | 2 | 19.9 | 15.0 | 26.5 | 20.8 | 8.13 |
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| Source: o = order, c = class | |||||
| References: Kiessling 2004, Kiessling 2003 | |||||
Age range: Bifrons or 182.90000 to 174.70000 Ma
Collections (25 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Toarcian | France | Phymatoceras robustum (210793 210794 210801 210807 210808 210813 210814 210817 210818 210819 210832) | |
| Bifrons | Spain | Phymatoceras robustum (146936 146938 146944) | |
| Bifrons | Hungary | Phymatoceras robustum (108069 108072 108093 147247 147255) | |
| Bifrons | France | Phymatoceras robustum (148791 161646 161652 170433 170434) | |
| Bifrons | France (Deux-Sevrès) | Phymatoceras robustum (147160) |