Biology:Avetheropoda

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Avetheropods
Temporal range:
Middle Jurassic–Present, 175.6–0 Ma
Possible Early Jurassic record
Allosaurus SDNHM (1).jpg
Mounted Allosaurus fragilis skeleton cast, San Diego Natural History Museum
Kiwi and egg Picturesque New Zealand 1913.jpg
Kiwi with its egg (1913)
Scientific classification e
Domain: Eukaryota
Kingdom: Animalia
Phylum: Chordata
Clade: Dinosauria
Clade: Saurischia
Clade: Theropoda
Clade: Orionides
Clade: Avetheropoda
Paul, 1988
Subgroups
Synonyms
  • Neotetanurae Sereno et al., 1998

Avetheropoda, or "bird theropods", is a clade that includes carnosaurians and coelurosaurs to the exclusion of other dinosaurs.

Definition

Avetheropoda was named by Gregory S. Paul in 1988,[1] and was first defined as a clade by Currie and Padian in 1997, to include Allosaurus, modern birds, and other animals descended from their most recent ancestor. In 1999, Paul Sereno named another group, Neotetanurae, for the clade containing Allosauroidea and Coelurosauria, and excluding other tetanurans such as megalosauroids,[2] but this definition was published slightly later.

Classification

The cladogram presented below follows a phylogenetic analysis published by Zanno and Makovicky in 2013.[3]

Orionides
Megalosauroidea

Piatnitzkysauridae Piatnitzkysaurus floresi by Paleocolour.jpg

Megalosauria

SpinosauridaeSpinosaurus aegyptiacus.png

MegalosauridaeTorvosaurus tanner DBi.jpg

Avetheropoda

CoelurosauriaMeyers grosses Konversations-Lexikon - ein Nachschlagewerk des allgemeinen Wissens (1908) (Antwerpener Breiftaube).jpg

Allosauroidea

MetriacanthosauridaeYangchuanosaurus NT (flipped).jpg

Allosauria

AllosauridaeAllosaurus Revised.jpg

Carcharodontosauria

NeovenatoridaeGualicho shinyae restoration.jpg

CarcharodontosauridaeConcavenator corcovatus by Daniel Vidal 2012.png

In 2019, Rauhut and Pol described Asfaltovenator vialidadi, a basal allosauroid displaying a mosaic of primitive and derived features seen within Tetanurae. Their phylogenetic analysis found traditional Megalosauroidea to represent a basal grade of carnosaurs, paraphyletic with respect to Allosauroidea.[4]

 Orionides 
 Avetheropoda 

CoelurosauriaMeyers grosses Konversations-Lexikon - ein Nachschlagewerk des allgemeinen Wissens (1908) (Antwerpener Breiftaube).jpg

Carnosauria

SpinosauridaeSpinosaurus aegyptiacus.png

MegalosauridaeTorvosaurus tanner DBi.jpg

Piatnitzkysauridae Piatnitzkysaurus floresi by Paleocolour.jpg

Allosauroidea

Asfaltovenator vialidadi

MetriacanthosauridaeYangchuanosaurus NT (flipped).jpg

Allosauria

AllosauridaeAllosaurus Revised.jpg

Carcharodontosauria

NeovenatoridaeNeovenator.png

CarcharodontosauridaeCarcharodontosaurus.png

References

  1. Paul, G. S. (1988). Predatory Dinosaurs of the World. New York: Simon & Schuster. ISBN 0-671-61946-2. https://archive.org/details/predatorydinosau00paul. 
  2. Sereno, P. C. (1999). "The evolution of dinosaurs". Science 284 (5423): 2137–2147. doi:10.1126/science.284.5423.2137. PMID 10381873. 
  3. Zanno, L. E.; Makovicky, P. J. (2013). "Neovenatorid theropods are apex predators in the Late Cretaceous of North America". Nature Communications 4: 2827. doi:10.1038/ncomms3827. PMID 24264527. Bibcode2013NatCo...4E2827Z. 
  4. Rauhut, Oliver W. M.; Pol, Diego (2019-12-11). "Probable basal allosauroid from the early Middle Jurassic Cañadón Asfalto Formation of Argentina highlights phylogenetic uncertainty in tetanuran theropod dinosaurs" (in en). Scientific Reports 9 (1): 18826. doi:10.1038/s41598-019-53672-7. ISSN 2045-2322. PMID 31827108. 

Wikidata ☰ Q138921 entry