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Dilophosaurus wetherilli

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Journal Article
Published: 01 July 2020
Journal of Paleontology (2020) 94 (S78): 1–103.
...Adam D. Marsh; Timothy B. Rowe Abstract Dilophosaurus wetherilli was the largest animal known to have lived on land in North America during the Early Jurassic. Despite its charismatic presence in pop culture and dinosaurian phylogenetic analyses, major aspects of the skeletal anatomy, taxonomy...
FIGURES | View All (66)
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<span class="search-highlight">Dilophosaurus</span> <span class="search-highlight">wetherilli</span>  holotype specimen (UCMP 37302): ( 1–3 ) left fibu...
Published: 01 July 2020
Figure 22. Dilophosaurus wetherilli holotype specimen (UCMP 37302): ( 1–3 ) left fibula and ( 4–7 ) right fibula; Dilophosaurus wetherilli referred specimen (UCMP 77270): ( 8–11 ) right fibula; Dilophosaurus wetherilli referred specimen (TMM 43646-1): ( 12–15 ) left fibula. ( 1, 4, 8, 12
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Reconstructions of  <span class="search-highlight">Dilophosaurus</span> <span class="search-highlight">wetherilli</span>  including ( 1 ) an adult  Dil...
Published: 01 July 2020
Figure 66. Reconstructions of Dilophosaurus wetherilli including ( 1 ) an adult Dilophosaurus wetherilli tending to its hatching clutch, and ( 2 ) cranial reconstruction of the skull and nasolacrimal crests from UCMP and TMM specimens in right lateral view. Art used with permission by Brian
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<span class="search-highlight">Dilophosaurus</span> <span class="search-highlight">wetherilli</span>  paratype specimen (UCMP 37303): ( 1–5 ) right sca...
Published: 01 July 2020
Figure 29. Dilophosaurus wetherilli paratype specimen (UCMP 37303): ( 1–5 ) right scapula; Dilophosaurus wetherilli referred specimen (UCMP 77270): ( 6–9 ) right scapula; Dilophosaurus wetherilli referred specimen (TMM 43646-1): ( 10–13 ) left scapula, ( 14–16 ) left coracoid, and ( 17, 18
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<span class="search-highlight">Dilophosaurus</span> <span class="search-highlight">wetherilli</span>  paratype specimen (UCMP 37303): ( 1–4 ) left tibi...
Published: 01 July 2020
Figure 34. Dilophosaurus wetherilli paratype specimen (UCMP 37303): ( 1–4 ) left tibiotarsus; Dilophosaurus wetherilli referred specimen (TMM 43646-1): ( 5–10 ) left astragalocalcaneum. ( 1, 5 ) Anterior, ( 2, 6 ) posterior, ( 7 ) proximal, ( 4, 8 ) distal, ( 3, 9 ) lateral, and ( 10 ) medial
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<span class="search-highlight">Dilophosaurus</span> <span class="search-highlight">wetherilli</span>  paratype specimen (UCMP 37303): ( 1–5 ) distal en...
Published: 01 July 2020
Figure 30. Dilophosaurus wetherilli paratype specimen (UCMP 37303): ( 1–5 ) distal end of left humerus; Dilophosaurus wetherilli referred specimen (TMM 43646-1): ( 6–9 ) left humerus and ( 10, 11 ) right humerus. ( 1, 6 ) Lateral, ( 2, 7, 10 ) anterior, ( 3, 8 ) medial, ( 4, 9, 11 ) posterior
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<span class="search-highlight">Dilophosaurus</span> <span class="search-highlight">wetherilli</span>  referred specimen (TMM 43646-1): ( 1–4 ) left ili...
Published: 01 July 2020
Figure 49. Dilophosaurus wetherilli referred specimen (TMM 43646-1): ( 1–4 ) left ilium and ( 5, 6 ) right ilium; Dilophosaurus wetherilli referred specimen (TMM 43691-1): ( 7, 8 ) right ilium. ( 1, 5, 7 ) Lateral, ( 2, 6, 8 ) medial, ( 3 ) dorsal, and ( 4 ) ventral view. Arrows point
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<span class="search-highlight">Dilophosaurus</span> <span class="search-highlight">wetherilli</span>  paratype specimen (UCMP 37303): ( 1–5 ) distal en...
Published: 01 July 2020
Figure 32. Dilophosaurus wetherilli paratype specimen (UCMP 37303): ( 1–5 ) distal end of right ischium and ( 6, 7 ) distal end of right pubis; Dilophosaurus wetherilli referred specimen (UCMP 77270): ( 8, 9 ) proximal end of right ischium and ( 10–12 ) distal ends of right and left ischia
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<span class="search-highlight">Dilophosaurus</span> <span class="search-highlight">wetherilli</span>  holotype specimen (UCMP 37302): ( 1–5 ) left iliu...
Published: 01 July 2020
Figure 18. Dilophosaurus wetherilli holotype specimen (UCMP 37302): ( 1–5 ) left ilium and ( 6, 7 ) right ilium; Dilophosaurus wetherilli referred specimen (UCMP 77270): ( 8–12 ) left ilium and pubis. ( 1, 6, 8 ) Lateral, ( 2, 7, 9 ) medial, ( 3, 10 ) dorsal, ( 4, 11 ) ventral, ( 5
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<span class="search-highlight">Dilophosaurus</span> <span class="search-highlight">wetherilli</span>  paratype specimen (UCMP 37303): ( 1, 2 ) distal e...
Published: 01 July 2020
Figure 33. Dilophosaurus wetherilli paratype specimen (UCMP 37303): ( 1, 2 ) distal end of left tibiotarsus in ( 1 ) anterior and ( 2 ) posterior view; Dilophosaurus wetherilli referred specimen (UCMP 77270): ( 3–8 ) right tibia in ( 3, 4 ) anterior, ( 5, 6 ) posterior, ( 3 ) lateral, ( 5
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<span class="search-highlight">Dilophosaurus</span> <span class="search-highlight">wetherilli</span>  paratype specimen (UCMP 37303): ( 1 ) metatarsal ...
Published: 01 July 2020
Figure 35. Dilophosaurus wetherilli paratype specimen (UCMP 37303): ( 1 ) metatarsal II, ( 2 ) metatarsal III, ( 3 ) metatarsal IV; Dilophosaurus wetherilli referred specimen (UCMP 77270): ( 4–9 ) right metatarsal I, ( 10–15 ) right metatarsal II, ( 16–21 ) right metatarsal III, and ( 22–25
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<span class="search-highlight">Dilophosaurus</span> <span class="search-highlight">wetherilli</span>  referred specimen (TMM 43646-1): ( 1–21 ) trunk v...
Published: 01 July 2020
Figure 47. Dilophosaurus wetherilli referred specimen (TMM 43646-1): ( 1–21 ) trunk vertebrae, ( 22 ) caudosacral rib, and ( 23–34 ) caudal vertebrae in ( 1–21, 23–33 ) left lateral, ( 34 ) right lateral, and ( 22 ) medial view.
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<span class="search-highlight">Dilophosaurus</span> <span class="search-highlight">wetherilli</span>  holotype specimen (UCMP 37302): ( 1–38 ) caudal v...
Published: 01 July 2020
Figure 12. Dilophosaurus wetherilli holotype specimen (UCMP 37302): ( 1–38 ) caudal vertrebrae (vertebrae 29–68; V29–V68) in ( 1–38 ) left lateral view. Caudal vertebrae 32 and 67 were entirely reconstructed in plaster and are not figured. Anterior is to the left. ap = anterior shoulder; v
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<span class="search-highlight">Dilophosaurus</span> <span class="search-highlight">wetherilli</span>  referred specimen (TMM 43646-1): articulated righ...
Published: 01 July 2020
Figure 51. Dilophosaurus wetherilli referred specimen (TMM 43646-1): articulated right hindlimb, including femur, tibia, fibula, tarsus, pes, and possible patella, in anterolateral view. as = astragalus; ca = calcaneum; d = digit; dta = distal tarsal; fe = femur; fi = fibula; mt = metatarsal
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<span class="search-highlight">Dilophosaurus</span> <span class="search-highlight">wetherilli</span>  referred (UCMP 77270): ( 1–6 ) left mandible and ...
Published: 01 July 2020
Figure 38. Dilophosaurus wetherilli referred (UCMP 77270): ( 1–6 ) left mandible and ( 7–12 ) right mandible in ( 1, 7 ) dorsal, ( 2, 5, 8, 11 ) lateral, ( 3, 6, 9, 12 ) medial, and ( 4, 10 ) ventral view. a = angular; art = articular; de = dentary; prt = prearticular; sa = surangular; sp
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<span class="search-highlight">Dilophosaurus</span> <span class="search-highlight">wetherilli</span>  referred specimen (UCMP 77270): ( 1–16 ) cervical...
Published: 01 July 2020
Figure 39. Dilophosaurus wetherilli referred specimen (UCMP 77270): ( 1–16 ) cervical vertebrae (first through 11 th ; V1–V11)) in ( 1, 2, 4, 6, 8, 10, 13, 15 ) left lateral, ( 3, 5, 7, 9, 12, 14, 16 ) dorsal, and ( 11 ) anterior view. Anterior is to the left. v = vertebra
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<span class="search-highlight">Dilophosaurus</span> <span class="search-highlight">wetherilli</span>  holotype specimen (UCMP 37302): ( 1–20 ) trunk ve...
Published: 01 July 2020
Figure 10. Dilophosaurus wetherilli holotype specimen (UCMP 37302): ( 1–20 ) trunk vertebrae (vertebrae 15–24; V15–V24) in ( 1, 3, 5, 7, 9, 11, 13, 15, 17, 19 ) right lateral and ( 2, 4, 6, 8, 10, 12, 14, 16, 18, 20 ) dorsal view. Anterior is to the right. v = vertebra
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<span class="search-highlight">Dilophosaurus</span> <span class="search-highlight">wetherilli</span>  holotype specimen (UCMP 37302): ( 1–3 ) sacral ve...
Published: 01 July 2020
Figure 11. Dilophosaurus wetherilli holotype specimen (UCMP 37302): ( 1–3 ) sacral vertebrae (vertebrae 24–28), ( 4, 5 ) haemal arches, and ( 6–8 ) three blocks of gastralia in ( 1, 4 ) left lateral, ( 2 ) ventral, ( 3 ) right lateral, and ( 5 ) anterior view. cs = caudosacral vertebra; ds
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<span class="search-highlight">Dilophosaurus</span> <span class="search-highlight">wetherilli</span>  referred specimen (UCMP 77270): ( 1–5 ) right rad...
Published: 01 July 2020
Figure 41. Dilophosaurus wetherilli referred specimen (UCMP 77270): ( 1–5 ) right radius and ( 6–10 ) right ulna in ( 1, 6 ) lateral, ( 2, 7 ) anterior, ( 3, 8 ) medial, ( 4, 9 ) posterior, and ( 5, 10 ) proximal view. Arrows point in anterior direction. alp = anterolateral process; amp
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Localities from which  <span class="search-highlight">Dilophosaurus</span> <span class="search-highlight">wetherilli</span>  (Welles,  1954 ) has been ...
Published: 01 July 2020
Figure 1. Localities from which Dilophosaurus wetherilli (Welles, 1954 ) has been collected in northern Arizona. The shaded region in the northeastern corner of the state represents the Navajo Nation. The inset stratigraphic column idealizes the section near Tuba City and Gold Spring, AZ