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Graculavus augustus
Taxonomy
Graculavus augustus was named by Hope (1999). Its type specimen is AMNH 25223, a limb element (left humerus), and it is a 3D body fossil. Its type locality is Bushy Tailed Blowout, which is in a Lancian terrestrial shale in the Lance Formation of Wyoming.
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.
†Graculavus augustus Hope 1999
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Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| S. Hope 1999 | Derived characters of the Neornithes: moderate enlargement of the articular head of the humems. Derived characters within the Neornithes: very large bicipital crest and prominence; thin, erect ventral tubercle; large dorsal tubercle; and well-defined caudal margin of the humems.
The diagnosis of Graculavus is based on the differential diagnosis for Graculavus velox (Shufeldt, 1915; Olson and Parris, 1987). Graculavus augustus is very similar to G. velox but is about one-third larger, and the area between the ventral and dorsal tubercles is relatively wider and flatter. |
Measurements
No measurements are available
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| Source: subo = suborder, o = order | |||||
| References: Marsh 1875, Bush and Bambach 2015, Benton 1983 | |||||