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Schizoouridae

From Wikipedia, the free encyclopedia
Extinct family of dinosaurs

Schizoourids
Temporal range:Aptian, ~120–113 Ma
Scientific classificationEdit this classification
Kingdom:Animalia
Phylum:Chordata
Class:Reptilia
Clade:Dinosauria
Clade:Saurischia
Clade:Theropoda
Clade:Avialae
Clade:Euornithes
Family:Schizoouridae
Wanget al., 2019
Genera

Schizoouridae is an extinct family ofeuornitheantheropods that lived in what is nowChina during theEarly Cretaceous. It was named in 2019 by Wang and colleagues, and contains all taxa more closely related toMengciusornis dentatus andSchizooura lii than toBellulornis orJianchangornis microdonta. Members of the family possessed several features that are rarely found in euornitheans, but are more typical ofenantiornitheans and more basal groups. These include a robustfurcula with a prominent hypocleidium, and (inMengciusornis) teeth at the tip of thepremaxilla.[1][2]

Classification

[edit]

The cladogram below follows Wanget al. (2019):[2]

Ornithuromorpha

References

[edit]
  1. ^Brocklehurst, N.; Field, D. J. (2021)."Macroevolutionary dynamics of dentition in Mesozoic birds reveal no long-term selection towards tooth loss".iScience.24 (3) 102243.Bibcode:2021iSci...24j2243B.doi:10.1016/j.isci.2021.102243.PMC 7973866.PMID 33763634.
  2. ^abWang, M.; O'Connor, J. K.; Zhou, S.; Zhou, Z. (2019). "New toothed Early Cretaceous ornithuromorph bird reveals intraclade diversity in pattern of tooth loss".Journal of Systematic Palaeontology.18 (8):631–645.doi:10.1080/14772019.2019.1682696.
Avemetatarsalia
Theropoda
Maniraptora
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Alvarezsauridae
Parvicursorinae
Ceratonykini
Mononykini
Therizinosauria
Therizinosauroidea
Therizinosauridae
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Oviraptorosauria
Paraves
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Patagonykus puertai

Mononykus olecranus

Therizinosaurus cheloniformis
Scansoriopterygidae?
Anchiornithidae
Archaeopterygidae
Dromaeosauridae
Troodontidae
Jeholornithiformes
Omnivoropterygidae?
Confuciusornithidae
Jinguofortisidae
Ornithothoraces
Enantiornithes
Euornithes
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Ambopteryx longibrachium

Archaeopteryx lithographica

Confuciusornis sp.
Schizoouridae
Patagopterygiformes
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Hongshanornithidae
Songlingornithidae
Yanornithidae
Gansuidae?
Ichthyornithes
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Hesperornithidae
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Patagopteryx deferrariisiIchthyornis dispar
Palaeognathae
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Anserimorphae
Pangalliformes
Incertae sedis
Dromornithidae
Gastornithiformes
Pelagornithidae
Asteriornis maastrichtensisDromornis stirtoni
Schizoouridae
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