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Mosasaurus horridus
Taxonomy
Mosasaurus horridus was named by Williston (1895). Its type specimen is KU 1034 and is a 3D body fossil. Its type locality is Cheyenne River in Custer County, which is in a Campanian marine shale in the Pierre Shale Formation of South Dakota.
It was synonymized subjectively with Mosasaurus missouriensis by Caldwell and Bell (2005).
It was synonymized subjectively with Mosasaurus missouriensis by Caldwell and Bell (2005).
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.
†Mosasaurus horridus Williston 1895
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: f = family, c = class, subp = subphylum, uc = unranked clade | |||||
| References: Kiessling 2004, Carroll 1988, Hendy et al. 2009, Gervais 1852 | |||||
Age range: Late/Upper Campanian or 83.60000 to 72.20000 Ma
Collections: one only
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Late/Upper Campanian | USA (South Dakota) | Mosasaurus horridus (type locality: 107780) |