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Hainosaurus neumilleri
Taxonomy
Hainosaurus neumilleri was named by Martin (2007). Its type specimen is SDSM 75705, a partial skeleton (Partial skull, paddle bones, and associated vertebrae), and it is a 3D body fossil. Its type locality is Bank of the Missouri River, which is in a Campanian marine sandstone/shale in the Pierre Shale Formation of South Dakota.
Synonymy list
| Year | Name and author |
|---|---|
| 2007 | Hainosaurus neumilleri Martin |
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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.
†Hainosaurus neumilleri Martin 2007
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Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| J. E. Martin 2007 | A medium-sized tylosaurine mosasaur with pineal opening shared by the frontal and parietal; interdigitating anterior premaxillary-maxillary suture; relatively wide snout; quadrate with distinct, sharp triangular ridge on the lateral margin of the infrastapedial; quadrate with large, deep, bowl-shaped excavation incorporating the stapedial pit and covering much of the medial quadrate; suprastapedial with relatively long internal process; suprastapedial deflected laterally compared with axis perpendicular to distal condyle; teeth relatively well faceted and symmetrically flattened. |
Measurements
No measurements are available
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| Source: f = family, c = class, subp = subphylum, uc = unranked clade | |||||
| References: Hendy et al. 2009, Carroll 1988, Gervais 1852 | |||||
Age range: Late/Upper Campanian or 83.50000 to 70.60000 Ma
Collections: one only
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Late/Upper Campanian | USA (South Dakota) | Hainosaurus neumilleri (type locality: 123581) |