| Basic info | Taxonomic history | Classification | Included Taxa |
| Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Protacanthoceras involutum
Taxonomy
Protacanthoceras involutum was named by Thomel (1972).
Sister species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1972 | Protacanthoceras involutum Thomel p. 100 figs. pl. 32, figs 5-8 |
| 1980 | Protacanthoceras involutum Wright and Kennedy p. 98 |
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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.
†Protacanthoceras involutum Thomel 1972
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: o = order, c = class | |||||
| References: Kiessling 2003, Kiessling 2004 | |||||
Age range: Middle Cenomanian or 100.50000 to 93.90000 Ma
Collections (2 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Middle Cenomanian | France | Protacanthoceras involutum (230896 230897) |