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Tarchia teresae
Taxonomy
Tarchia teresae was named by Penkalski and Tumanova (2017) [Differs from T. kielanae in the lack of fusion of the accessory osteoderm to the skull roof; quadrate and paroccipital process unfused; postfrontal skull roof deeply sculptured; large, bifurcated opening for cnn. IXeXII. Further differs from S. chulsanensis in having shorter and narrower, more divergent squamosal horns encircled by a prominent basal sulcus and which possibly underwent ontogenetic remodeling; also differs from S. chulsanensis in having a rostral indentation (neck) of the quadratojugal horn.]. It is not extant. Its type specimen is PIN 3142/250, a skeleton (a skull, mandibles, and postcranial material). Its type locality is Khermin Tsav, Upper White Beds [SMPE] (PIN coll. 3142), which is in a Maastrichtian eolian horizon in the Nemegt Formation of Mongolia.
Synonymy list
| Year | Name and author |
|---|---|
| 2017 | Tarchia teresae Penkalski and Tumanova |
| 2021 | Tarchia teresae Park et al. p. 1 |
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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.
†Tarchia teresae Penkalski and Tumanova 2017
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: o = order | |||||
| Reference: Marsh 1875 | |||||
Age range: Maastrichtian or 72.20000 to 66.00000 Ma
Collections: one only
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Maastrichtian | Mongolia (Omnogov) | Dyoplosaurus giganteus (type locality: 179625) |