File:Erlikosaurus and Halszkaraptor skull.png
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English: Figure 1: Comparison between the skull of the therizinosaurid Erlikosaurus andrewsi (MPC D-100/111: A and C) and the paravian Halszkaraptor escuilliei (MPC D-102/109: B and D), in left lateral (A and B) and dorsal (C and D) views.
Key differences in snout morphology: prenarial part of premaxilla taller than long (a1) or longer than tall (a2); platyrostral condition produced by perinarial widening (b1) or prenarial flattening (b2); complete loss of premaxillary dentition (c1) or supranumerary premaxillary dentition (c2); maxillary dentition lacking replacement waves (d1), or bearing distinct replacement waves (d2); narial fossa widely overlapping premaxillary oral margin (e1) or narial fossa not overlapping premaxillary oral margin. Scale bars in mm. (A) and (C) Provided by Stephan Lautenschlager (used with permission). |
| Date | |
| Source | (2020). "The body plan of Halszkaraptor escuilliei (Dinosauria, Theropoda) is not a transitional form along the evolution of dromaeosaurid hypercarnivory". PeerJ 8: e8672. DOI:10.7717/peerj.8672. PMID 32140312. PMC: 7047864. |
| Author | Andrea Cau |
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 22:19, 29 May 2020 | | 2,428 × 1,254 (2.84 MB) | PaleoNeolitic (talk | contribs) | {{Information |description ={{en|1='''Figure 1: Comparison between the skull of the therizinosaurid Erlikosaurus andrewsi (MPC D-100/111: A and C) and the paravian Halszkaraptor escuilliei (MPC D-102/109: B and D), in left lateral (A and B) and dorsal (C and D) views.''' Key differences in snout morphology: prenarial part of premaxilla taller than long (a1) or longer than tall (a2); platyrostral condition produced by perinarial widening (b1) or prenarial flattening (b2); complete loss of pr... |
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