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| Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Cretodus houghtonorum
Taxonomy
Cretodus houghtonorum was named by Shimada and Everhart (2019). Its type specimen is FHSM VP-17575, a partial skeleton (disarticulated partial skeleton consisting of at least 134 teeth, 61 vertebrae, and 23 placoid scales), and it is a 3D body fossil. Its type locality is Tipton, near, which is in a Turonian offshore shale in the Carlile Shale Formation of Kansas.
Synonymy list
| Year | Name and author |
|---|---|
| 2019 | Cretodus houghtonorum Shimada and Everhart p. 4 figs. Figs. 2F–K, 3–7 |
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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.
†Cretodus houghtonorum Shimada and Everhart 2019
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Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| K. Shimada and M. J. Everhart 2019 | Cretodus differing from all other known species of the genus by having teeth with moderately wide principal cusp, small lateral cusplets relative to principal cusp in tall, erect teeth, ‘V’-shaped crown base, relatively narrow tooth neck on lingual face, ‘V’-shaped basal root concavity, and short root lobes. |
Measurements
No measurements are available
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| Source: o = order, subp = subphylum | |||||
| References: Carroll 1988, Hendy et al. 2009, Wagner 2023 | |||||
Age range: Middle Turonian or 93.90000 to 89.80000 Ma
Collections: one only
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Middle Turonian | USA (Kansas) | Cretodus houghtonorum (type locality: 208720) |