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307 results for “Ornithischia”
FIGURE 4 in A new basal iguanodont (Dinosauria: Ornithischia) from the Wealden (Lower Cretaceous) of England
FIGURE 4. Right dentary tooth crown of NHMUK 28660 (removed from alveolus) in lingual view. Abbreviations: mar, mesial accessory ridge; mde, marginal denticle; prr, primary ridge; sr, secondary ridge. Scale bar equals 10 mm.
FIGURE 1 in A new basal iguanodont (Dinosauria: Ornithischia) from the Wealden (Lower Cretaceous) of England
FIGURE 1. Dentaries of basal iguanodonts from the Wadhurst Clay Formation. Left dentary of NHMUK R1834, referred herein to Barilium dawsoni, in lateral (A) view; right dentary NHMUK R1831 in lateral (B) view. Scale bars equal 10 cm.
FIGURE 3. NHMUK 28660 in A new basal iguanodont (Dinosauria: Ornithischia) from the Wealden (Lower Cretaceous) of England
FIGURE 3. NHMUK 28660 in lateral (A) view, and rostral ramus in ventrolateral (B & C) view. In A and C, blue ellipses indicate the row of eight large foramina parallel to the tooth row, yellow indicates the row of eight smaller foramina parallel to the predentary groove (note that the rostral-most foramen is not visible in A), and red indicates the autapomorphic row of four smaller foramina that extends from the ventral surface of the symphyseal region to the lateral surface of the dentary (note that the two ventral-most foramina are not visible in A). Scale bars equal 10 cm.
FIGURE 5 in A new basal iguanodont (Dinosauria: Ornithischia) from the Wealden (Lower Cretaceous) of England
FIGURE 5. Strict consensus tree of 10 MPTs of 359 steps each, following ordering of 22 multistate characters and safe taxonomic reduction. CI = 0.532, RI = 0.842. The new taxon Kukufeldia tilgatensis is highlighted. Numbers below and to the left of some nodes correspond to the following clade names: 1, Ornithopoda; 2, Iguanodontia; 3, Rhabdodontidae; 4, Dryomorpha; 5, Dryosauridae; 6, Ankylopollexia; 7, Styracosterna; 8, Hadrosauriformes; 9, Hadrosauroidea.
FIGURE 2. NHMUK 28660 in A new basal iguanodont (Dinosauria: Ornithischia) from the Wealden (Lower Cretaceous) of England
FIGURE 2. NHMUK 28660, holotype right dentary of Kukufeldia tilgatensis gen. et sp. nov. in lateral (A), dorsal (B), medial (C), and rostral (D) views. Coronoid process and caudal end of the tooth row of NHMUK 28660 in medial (E) view. Abbreviations: al1, rostral-most alveolus; al18, caudal-most alveolus; dia, diastema; ist, in situ teeth; Mg, Meckelian groove; pdg, predentary groove; rcv, rough caudoventral region; srd, smooth rostrodorsal region; sym, symphysis. Scale bars in A-C and E equal 10 cm; scale bar in D equals 5 cm.
FIGURE 12 in A reappraisal of Notohypshilophodon comodorensis (Ornithischia: Ornithopoda) from the Late Cretaceous of Patagonia, Argentina
FIGURE 12. Comparisons of the coracoids in lateral view of (A), Notohypsilophodon comodorensis (right coracoid); (B) Hypsilophodon (left coracoid, reversed, after Galton 1974); (C) Thescelosaurus (left coracoid, reversed, after Gilmore 1913); (D) Gasparinisaura (right coracoid, after Coria & Salgado 1996); (E) Anabisetia (left coracoid, reversed, after Coria & Calvo 2002); (F) Trinisaura (right coracoid, after Coria et al. 2013); (G) Tenontosaurus (left coracoid, reversed, after Forster 1990); (H) Iguanodon (left coracoid, reversed, after Norman 1980). The black large arrow denotes the markedly reduced sternal processes in Notohypsilophodon (the new proposed autapomorphy, see text), whereas the black small arrows denote the sternal process in the remaining ornithopods. Not to scale.
FIGURE 5 in A reappraisal of Notohypshilophodon comodorensis (Ornithischia: Ornithopoda) from the Late Cretaceous of Patagonia, Argentina
FIGURE 5. Notohypsilophodon comodorensis. Anterior caudal vertebrae (UNPSJB-PV 942/17,18), in right lateral (A and C) and ventral (B and D) views. Abbreviations: cf, chevron facet; lgr, longitudinal groove; ncs, neurocentral suture; str, striations. Scale bar equals 2 cm.
FIGURE 11 in A reappraisal of Notohypshilophodon comodorensis (Ornithischia: Ornithopoda) from the Late Cretaceous of Patagonia, Argentina
FIGURE 11. Comparisons of the sacral vertebrae in lateral view of (A), Notohypsilophodon comodorensis; (B) Hypsilophodon (after Galton 1974); (C) Tenontosaurus (after Forster 1990) and (D) Iguanodon (after Norman 1980). Black arrow denotes the new proposes autapomorphy (distal tip of the sacral neural spine, strongly projected posteriorly, see text). Not to scale.
FIGURE 2 in A reappraisal of Notohypshilophodon comodorensis (Ornithischia: Ornithopoda) from the Late Cretaceous of Patagonia, Argentina
FIGURE 2. Notohypsilophodon comodorensis. Middle cervical vertebra (UNPSJB-PV 942/1), in anterior (A), in right lateral (B), in dorsal (C) and ventral (D) views. Abbreviations: nc, neural canal; ncs, neural central suture; ns, neural spine; pa, parapophysis; poz, postzygapophysis; prz, prezygapophysis; vk, ventral keel.
FIGURE 8 in A reappraisal of Notohypshilophodon comodorensis (Ornithischia: Ornithopoda) from the Late Cretaceous of Patagonia, Argentina
FIGURE 8. Notohypsilophodon comodorensis. Left femur (UNPSJB-PV 942/28), in medial (A- D), proximal (B), distal (C), posterolateral (E), lateral (F), anterior (G) and posterior (H) views. Abbreviation: fh, femoral head; gth, greater trochanter; ict, intertrochanteric cleft; lc, lateral condyle; lis, ligament sulcus; lth, lesser trochanter; mc, medial condyle; pgr, posterior groove; tub, tubercle. Note: dotted lines delimit the reconstructed femoral shaft.
FIGURE 10 in A reappraisal of Notohypshilophodon comodorensis (Ornithischia: Ornithopoda) from the Late Cretaceous of Patagonia, Argentina
FIGURE 10. Notohypsilophodon comodorensis. Non-ungual phalanx (UNPSJB-PV 942/35), in medial (A), dorsal (B) and proximal (C) views. Non-ungual phalanx (UNPSJB-PV 942/37), in medial (B) view. Non-ungual phalanx (UNPSJB-PV 942/ 39), in dorsal (C) view. Ungual phalanges (UNPSJB-PV 942/45,46,47), in dorsal view. Abbreviation: clp, collateral ligament pit; ugr, ungula groove.
FIGURE 4 in A reappraisal of Notohypshilophodon comodorensis (Ornithischia: Ornithopoda) from the Late Cretaceous of Patagonia, Argentina
FIGURE 4. Notohypsilophodon comodorensis. Sacral vertebrae (UNPSJB-PV 942/12,13,14,15,16 respectively), in left lateral (A and B), in dorsal (C and D) and ventral (E and F) views. Abbreviations: ns, neural spine; rg, rugosities; tp, transverse process.
FIGURE 9 in A reappraisal of Notohypshilophodon comodorensis (Ornithischia: Ornithopoda) from the Late Cretaceous of Patagonia, Argentina
FIGURE 9. Notohypsilophodon comodorensis. Left tibia (UNPSJB-PV 942/29), in medial (A), proximal (B) and distal (C) views. Right tibia (UNPSJB-PV 942/30), in distal (D) view. Left fibula (UNPSJB-PV 942/32), in medial (E) view. Right astragalus (UNPSJB-PV 942/33), in posterior (F) and anterior (G) views. Left calcaneum (UNPSJB-PV 942/34), in lateral (H) and medial (I) views. Abbreviation: ac, astragalar contact; cc, cnemial crest; dbl, distal bulge; dpe, distal perforation; fc, fibular condyle; fs, fibular surface; ic, inner condyle; it, incisura tibialis; ppr, proximal process; prb, proximal bulge; ts, tibial surface.
FIGURE 1 in A reappraisal of Notohypshilophodon comodorensis (Ornithischia: Ornithopoda) from the Late Cretaceous of Patagonia, Argentina
FIGURE 1. Site map showing geographical location of Notohypsilophodon comodorensis (UNPSJB-PV 942), denoted by the black arrow.
FIGURE 7 in A reappraisal of Notohypshilophodon comodorensis (Ornithischia: Ornithopoda) from the Late Cretaceous of Patagonia, Argentina
FIGURE 7. Notohypsilophodon comodorensis. Right humerus (UNPSJB-PV 942/25), in anterior (A), proximal (B) and distal (C) views. Left ulna (UNPSJB-PV 942/27), in medial (D), proximal (E) and distal (F) views. Abbreviation: asr, articular surface radius; dc, deltopectoral crest; hh, humeral head; lsh, lateral shoulder; ms, muscle scars; msh, medial shoulder; op, olecranon process; rc, radial condyle; uc, ulnar condyle.
FIGURE 3 in A reappraisal of Notohypshilophodon comodorensis (Ornithischia: Ornithopoda) from the Late Cretaceous of Patagonia, Argentina
FIGURE 3. Notohypsilophodon comodorensis. Anterior dorsal vertebrae (UNPSJB-PV 942/5,6,7 respectively), in right lateral (A and B) and ventral (C) views. Abbreviations: dp, diapophysis; ns, neural spine; pa, parapophysis; prz, prezygapophysis; rg, rugosities; vk, ventral keel.
FIGURE 6 in A reappraisal of Notohypshilophodon comodorensis (Ornithischia: Ornithopoda) from the Late Cretaceous of Patagonia, Argentina
FIGURE 6. Notohypsilophodon comodorensis. Left scapula (UNPSJB-PV 942/23), in lateral (A) and proximal (B) views. Right coracoids (UNPSJB-PV 942/24), in lateral view (C). Abbreviation: cof, coracoids foramen; gl, glenoid; scb, scapular blade; spb, supraglenoidal buttress; spf, supraglenoid fossa; stp, sternal process.
FIGURE 23 in A new specimen of Chasmosaurus belli (Ornithischia: Ceratopsidae), a revision of the genus, and the utility of postcrania in the taxonomy and systematics of ceratopsid dinosaurs
FIGURE 23. Humeri of NHMUK R4948, Chasmosaurus belli. A–D, right humerus in A, anterior, B, posterior, C, lateral and D, medial view. E–J, left humerus in E, anterior, F, posterior, G, lateral, H, medial, I, dorsal and J, ventral view. In I and J, anterior is towards the top of the figure. Abbreviations: dpc, deltopectoral crest; g, groove separating area of attachment of m. pectoralis from m. deltoideus clavicularis and scapularis; hd, humeral head; n, notch on dorsal surface separating medial tuberosity; str, striations; tf, triceps fossa; see text for details. Scale bar equals 10 cm for A–H and 5 cm for I and J.
FIGURE 22 in A new specimen of Chasmosaurus belli (Ornithischia: Ceratopsidae), a revision of the genus, and the utility of postcrania in the taxonomy and systematics of ceratopsid dinosaurs
FIGURE 22. Preserved pectoral and pelvic girdle elements of NHMUK R4948, Chasmosaurus belli. A–D, coracoid in A, right lateral, B, right medial, C, left lateral and D, left medial view. E–G, proximal plate of left scapula in E, lateral, F, medial and G, anterior view. H–K, partial right pubis in H, lateral, I, medial, J, dorsal and K, ventral view. The anterior portion of the prepubis is preserved separately and shown in its approximate location with respect to the rest of the pubis in J and K. Abbreviations: ace, acetabular part of the pubis; acr, acromial process; can, canal; cor s, surface for coracoid; gle, glenoid; pop, postpubis; prp, prepubis; scc, area of attachment of the m. supracoracoideus; sp, sternal process. Scale bar equals 10 cm.
FIGURE 21 in A new specimen of Chasmosaurus belli (Ornithischia: Ceratopsidae), a revision of the genus, and the utility of postcrania in the taxonomy and systematics of ceratopsid dinosaurs
FIGURE 21. Examples of the dorsal ribs of NHMUK R4948, Chasmosaurus belli, in A–B, anterior and C–D, posterior view. Location of ribs on the dorsal column unknown. Scale bar equals 20 cm.
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International Brain Laboratory public data
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OpenNeuro
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