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Aerosteon riocoloradensis
Taxonomy
Aerosteon riocoloradensis was named by Sereno et al. (2008). Its type specimen is MCNA-PV-3137, a partial skeleton, and it is a 3D body fossil. Its type locality is Cañadon Amarillo (PROXY), which is in a Campanian/Campanian terrestrial horizon in the Anacleto Formation of Argentina. It is the type species of Aerosteon.
Synonymy list
| Year | Name and author |
|---|---|
| 2008 | Aerosteon riocoloradensis Sereno et al. pp. 3-4 figs. 2-11, 12A, 13-16 |
| 2010 | Aerosteon riocoloradensis Benson et al. p. 75 |
| 2012 | Aerosteon riocoloradensis Carrano et al. p. 222 |
| 2012 | Aerosteon riocoloradensis Hendrickx and Mateus p. 102 |
| 2012 | Aerosteon riocolaradensis Méndez et al. p. 252 |
| 2012 | Aerosteon riocoloradensis White et al. p. 21 |
| 2013 | Aerosteon riocoloradensis Brusatte et al. p. 5 fig. 1.2 |
| 2013 | Aerosteon riocoloradensis Fernandes de Azevedo et al. p. 140 |
| 2013 | Aerosteon riocoloradensis Novas et al. p. 189 |
| 2016 | Aerosteon riocoloradensis Coria and Currie p. 2 |
| 2018 | Aerosteon riocoloradensis Aureliano et al. p. 286 |
| 2019 | Aerosteon riocoloradensis Aranciaga Rolando et al. p. 104 |
| 2022 | Aerosteon riocoloradensis Aranciaga Rolando et al. p. 2 |
| 2022 | Aerosteon riocoloradensis Aranciaga Rolando et al. p. 228 |
| 2022 | Aerosteon riocoloradensis Baiano and Filippi p. 6 |
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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.
†Aerosteon riocoloradensis Sereno et al. 2008
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Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| P. C. Sereno et al. 2008 | Aerosteon riocoloradensis is characterized by a prefrontal with a very short ventral process, an enlarged quadrate foramen located entirely within the quadrate, a large tympanic diverticulum into the quadrate shaft above the articular condyle, anterior dorsal vertebra with very large parapophyses, dorsal neural spines with central pneumatic space, posteriormost dorsal vertebra with anterodorsally inclined neural spine and a pneumatic canal within the transverse process, anterior caudal vertebrae with a large pleurocoel, medial gastral elements coossified with anterior and posterior flanges, and a furcula with median pneumatocoel. | |
| M. T. Carrano et al. 2012 | Allosauroid theropod with: (1) robust, cylindrical transverse processes on proximal caudal vertebrae; and (2) fossa on lateral surface of coracoid dorsal to glenoid and (separate) subglenoid fossa. | |
| A. M. Aranciaga Rolando et al. 2022 | The autapomorphic characters of Aerosteon are: pneumatic furcula (ambiguous); anterior and posterior processes of postorbital forming a angle close to 180° ; dorsal quadratojugal surface of the quadrate facing laterally; quadrate fossa with a dorsoposterior shallow part just below the quadrate head; angle of 130° defined between main axis of prearticular and the anterior process; highest point of the ilium above the pre-acetabular blade; shaft of the tibia laterally concave in anterior view with a small bump on the anterior surface of the distal tibia. Modified from Sereno et al. (2008) |
Measurements
No measurements are available
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| Source: subo = suborder, o = order | |||||
| References: Benton 1983, Marsh 1875 | |||||
Age range: base of the Early/Lower Campanian to the top of the Middle Campanian or 83.50000 to 70.60000 Ma
Collections: one only
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Early/Lower Campanian - Middle Campanian | Argentina (Mendoza) | Aerosteon riocoloradensis (type locality: 90139) |