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Eurycephalites involutus
Taxonomy
Xenocephalites involutus was named by Riccardi and Westermann (1991).
It was recombined as Eurycephalites involutus by Parent (1998).
It was recombined as Eurycephalites involutus by Parent (1998).
Sister species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1991 | Xenocephalites involutus Riccardi and Westermann p. 81 figs. Pl 19, figs 3,4 |
| 1998 | Eurycephalites involutus Parent p. 115 figs. 29L-O, 30A-C, F |
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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.
†Eurycephalites involutus Riccardi and Westermann 1991
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Diagnosis
No diagnoses are available
Measurements
| part | N | mean | |||||
|---|---|---|---|---|---|---|---|
| shell height | 1 | 41.0 | |||||
| shell diameter | 1 | 62.5 | |||||
| shell inflation | 1 | 7.80 |
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| Source: o = order, c = class | |||||
| References: Kiessling 2004, Kiessling 2003 | |||||
Age range: Early/Lower Callovian or 165.30000 to 161.50000 Ma
Collections: one only
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Early/Lower Callovian | Argentina (Neuquen) | Eurycephalites involutus (158984) |