Biology:Masillaraptoridae

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Short description: Extinct family of birds

Masillaraptorids
Temporal range: early-middle Eocene, 54.6–47 Ma
Masillaraptor restoration.jpeg
Life restoration of Masillaraptor
Scientific classification e
Domain: Eukaryota
Kingdom: Animalia
Phylum: Chordata
Class: Aves
Order: Falconiformes
Family: [[Biology:|Masillaraptoridae]]
Mayr, 2009
Genera

Masillaraptoridae is an extinct family of stem-group falconiform birds from the Eocene of Europe. They are noted for their relatively long legs. Two genera have been named: Danielsraptor, from the London Clay of England, and Masillaraptor, from Messel Pit in Germany.[1][2][3]

Description

Masillaraptorids had long legs, which may indicate that they had a terrestrial lifestyle, foraging on the ground similar to modern caracaras. They had large pygostyles, suggesting that they would have likely had long tail feathers. This, in addition to their long ulnae, suggest that they were capable of well-developed flight. Their beaks are similar to those of extinct phorusrhacids and extant caracaras.[3]

Classification

The cladogram below displays the phylogenetic position of Masillaraptoridae within the Falconiformes:[3]

Chauna torquata (southern screamer)
Chauna torquata BYN.jpg
Australaves
Falconiformes

Caracara plancus (crested caracara) Caracara1.png

Masillaraptoridae

Masillaraptor parvunguis Masillaraptor restoration.jpeg

Danielsraptor phorusrhacoides

Cariamiformes
Bathornis spp.
Bathornis grallator restoration.jpg

Dynamopterus spp.

Cariama cristata (red-legged seriema) Cariama cristata 1838 white background.jpg

Phorusrhacidae (terror birds)

Llallawavis scagliai Llallawavis scagliai.jpg

Psilopterus lemoinei
Psilopterus.jpg

Patagornis marshi Patagornis marshi.png

References

  1. Mayr, Gerald (January 2006). "A new raptorial bird from the Middle Eocene of Messel, Germany" (in en). Historical Biology 18 (2): 99–106. doi:10.1080/08912960600640762. ISSN 0891-2963. http://www.tandfonline.com/doi/abs/10.1080/08912960600640762. 
  2. Mayr, Gerald (2009-05-20). "A well-preserved second trogon skeleton (Aves, Trogonidae) from the middle Eocene of Messel, Germany". Palaeobiodiversity and Palaeoenvironments 89 (1–2): 1–6. doi:10.1007/s12549-009-0001-9. ISSN 1867-1594. http://dx.doi.org/10.1007/s12549-009-0001-9. 
  3. 3.0 3.1 3.2 Mayr, Gerald; Kitchener, Andrew C. (2022-07-08). "New fossils from the London Clay show that the Eocene Masillaraptoridae are stem group representatives of falcons (Aves, Falconiformes)" (in en). Journal of Vertebrate Paleontology 41 (6): e2083515. doi:10.1080/02724634.2021.2083515. ISSN 0272-4634. 

Wikidata ☰ Q113124861 entry