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Contogenys
Taxonomy
Contogenys was named by Estes (1969).
It was assigned to Scincinae by Estes (1983); to Scincidae by Estes (1969), Estes and Berberian (1970), Estes (1976), Carroll (1988) and Bryant (1989); to Xantusiidae by Gao and Fox (1996); to Carusiidae by Alifanov (2000); to Contogeniidae by Nydam and Fitzpatrick (2009); and to Globauridae by Longrich et al. (2012).
It was assigned to Scincinae by Estes (1983); to Scincidae by Estes (1969), Estes and Berberian (1970), Estes (1976), Carroll (1988) and Bryant (1989); to Xantusiidae by Gao and Fox (1996); to Carusiidae by Alifanov (2000); to Contogeniidae by Nydam and Fitzpatrick (2009); and to Globauridae by Longrich et al. (2012).
Species
Synonymy list
| Year | Name and author |
|---|---|
| 1969 | Contogenys Estes p. 2 |
| 1970 | Contogenys Estes and Berberian p. 5 |
| 1976 | Contogenys Estes p. 508 |
| 1983 | Contogenys Estes |
| 1988 | Contogenys Carroll |
| 1989 | Contogenys Bryant p. 46 |
| 1996 | Contogenys Gao and Fox p. 55 |
| 2000 | Contogenys Alifanov p. 378 |
| 2009 | Contogenys Nydam and Fitzpatrick p. 679 |
| 2012 | Contogenys Longrich et al. |
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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.
G. †Contogenys Estes 1969
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†Contogenys ekalakaensis Nydam and Fitzpatrick 2009
†Contogenys sloani Estes 1969
Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| R. L. Nydam and B. M. Fitzpatrick 2009 | Contogeniid genus differing from Palaeoscincosaurus and Utahgenys gen. nov. in the following unique combination of features: dentary relatively short anteroposteriorly; 16 or fewer teeth on dentary; and maxillary and dentary tooth shafts anteroposteriorly compressed and medially expanded below crown. Differs from Palaeoscincosaurus in having smaller adult body size (as inferred from relative mandible size), teeth more closely spaced, tooth shafts relatively narrower, apical striae on tooth crowns less prominent or absent, anterior process of coronoid extends anteriorly to a point below posteriormost tooth position on dentary, and minimal overlap between anterior process of coronoid and coronoid lappet of dentary. Differs from Utahgenys in having teeth without tricuspid crowns and with tooth bases less medially expanded. |
Measurements
No measurements are available
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| Source: c = class, subp = subphylum, uc = unranked clade | |||||
| References: Hendy et al. 2009, Carroll 1988 | |||||
Age range: base of the Early/Lower Campanian to the top of the Puercan or 83.50000 to 63.30000 Ma
Collections (14 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Early/Lower Campanian | USA (Utah) | C. sloani (14421) | |
| Late/Upper Campanian | USA (New Jersey) | C. sp. (14455) | |
| Middle Campanian | USA (Utah) | C. sp. (61844) | |
| Early/Lower Maastrichtian | Romania (Hunedoara) | C. sp. (67811) | |
| Lancian | Canada (Saskatchewan) | C. sp. (14655) | |
| Lancian | USA (South Dakota) | C. sloani (14537) | |
| Lancian | USA (Wyoming) | C. sp. (14514) | |
| Lancian | USA (Montana) | C. sloani (14549 14568) | |
| Late/Upper Maastrichtian | USA (Montana) | C. sloani (13142) | |
| Late/Upper Maastrichtian | India (Maharashtra) | C. sp. (58102) | |
| Puercan | USA (Colorado) | C. sp. (14658) | |
| Puercan | USA (Montana) | C. sloani (14666) | |
| Torrejonian | USA (Montana) | C. sloani (14874) |