Published May 1, 2022 | Version v1

Figure 14 in Reappraisal and new material of the holotype of Draconyx loureiroi (Ornithischia: Iguanodontia) provide insights on the tempo and modo of evolution of thumb-spiked dinosaurs

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Figure 14. Comparison of the manual anatomy of selected styracosternans. Uteodon aphanoecetes left manus (specimen CM 11337) in extensor view (A), proximal view (D) and palmar view (G). Camptosaurus dispar right manus, reversed (specimen USNM 4277) in extensor view (B), proximal view (E) and palmar view (H) (holotype USNM 4282). Magnamanus soriaensis right manus (holotype MNS 2000) in extensor view (C), proximal view (F) and palmar view (I). Note the difference in the structure of the carpus: Uteodon aphanoecetes presents a partially fused and not closely packed carpus, Camptosaurus dispar presents a partially fused but closely packed carpus while Magnamanus soriaensis presents the typical stout and fused element of Styracosterna. J, Stratigraphic distribution of these characters. Abbreviations: dc1: distal carpal 1, dc2: distal carpal 2, dc3: distal carpal 3, dc4: distal carpal4, dc5: distal carpal 5, in: intermedium, mc1: metacarpal 1, ra: radiale, ul: ulnare.

Notes

Published as part of Rotatori, Filippo Maria, Moreno-Azanza, Miguel & Mateus, Octávio, 2022, Reappraisal and new material of the holotype of Draconyx loureiroi (Ornithischia: Iguanodontia) provide insights on the tempo and modo of evolution of thumb-spiked dinosaurs, pp. 125-156 in Zoological Journal of the Linnean Society 195 (1) on page 149, DOI: 10.1093/zoolinnean/zlab113, http://zenodo.org/record/6530795

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Journal article: 10.1093/zoolinnean/zlab113 (DOI)
Journal article: urn:lsid:plazi.org:pub:FFC2FFD8EB6A6403FFE6FFFBB01CFFC2 (LSID)
Journal article: http://publication.plazi.org/id/FFC2FFD8EB6A6403FFE6FFFBB01CFFC2 (URL)
Journal article: https://zenodo.org/record/6530795 (URL)