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1,301 results for “Early Cretaceous”
FIGURE 3 in Barrosasaurus casamiquelai gen. et sp. nov., a new titanosaur (Dinosauria, Sauropoda) from the Anacleto Formation (Late Cretaceous: early Campanian) of Sierra Barrosa (Neuquén, Argentina)
FIGURE 3. Barrosasaurus casamiquelai gen. et sp. nov., holotype (MCF-PVPH-447/3). Anterior dorsal vertebra in anterior (A) and left lateral (B) views. Abbreviations: acpl, anterior centroparapophyseal lamina; al, accesory lamina; apcdl, accesory posterior centrodiapophyseal lamina; d, diapophysis; nc, neural canal; p, pleurocoel; pcdl, posterior centrodiapophyseal lamina; pcpl, posterior centroparapophyseal lamina; pp, parapophysis; ppdl, paradiapophyseal lamina; prsl, prespinal lamina; prz, prezygapophysis; sf, small fossa; sprl, spinoprezygapophyseal lamina; tprl, intraprezygapophyseal lamina. Scale bar equals 10 cm.
FIGURE 4 in Barrosasaurus casamiquelai gen. et sp. nov., a new titanosaur (Dinosauria, Sauropoda) from the Anacleto Formation (Late Cretaceous: early Campanian) of Sierra Barrosa (Neuquén, Argentina)
FIGURE 4. Barrosasaurus casamiquelai gen. et sp. nov., holotype (MCF-PVPH-447/1). Posterior dorsal (seventh or eighth) vertebra in anterior (A), right lateral (B) and posterior (C) views. Abbreviations: acpl, anterior centroparapophyseal lamina; alp, aliform process; apcdl, accessory posterior centrodiapophyseal lamina; aspdl, anterior spinodiapophyseal lamina; d, diapophysis; nc, neural canal; pcdl, posterior centrodiapophyseal lamina; pcpl, posterior centroparapophyseal lamina; posl, postspinal lamina; pp, parapophysis; ppdl, paradiapophyseal lamina; prsl, prespinal lamina; prz, prezygapophysis; spol, spinopostzygapophyseal lamina; sprl, spinoprezygapophyseal lamina; tprl, intraprezygapophyseal lamina. Scale bar equals 10 cm.
FIGURE 3. Dispersion curves for Araripe cearagryllids. A and B in The Orthoptera (Ensifera) from the Santana formation (Early Cretaceous, Northeast Brazil): A statistical and paleoecological approach, with description of new taxa
FIGURE 3. Dispersion curves for Araripe cearagryllids. A and B fore wing length and ovipositor, respectively for Euclydes ramosfernandesi Martins-Neto, 2007 (Stenopelmatoidea), a possible mimetic Orthoptera of cearagryllids.
FIGURE 1. A in The Orthoptera (Ensifera) from the Santana formation (Early Cretaceous, Northeast Brazil): A statistical and paleoecological approach, with description of new taxa
FIGURE 1. A) Notocearagryllus dutrae Martins-Neto, 1999, modified from Martins-Neto (1998); B) Notocearagryllus arturandradai n. sp., drawn from holotype; C) Allocearagryllus leipnitzi n. sp., drawn from holotype; D) Cearagryllus robustus Martins-Neto, 1991, redrawn from holotype;; E) Cryptocearagryllus revelatus n. gen. et n. comb., redrawn from holotype. Scale bar 5 mm.
FIGURE 2 in The Orthoptera (Ensifera) from the Santana formation (Early Cretaceous, Northeast Brazil): A statistical and paleoecological approach, with description of new taxa
FIGURE 2. Fore wing (A-C), ovipositor (D-G) and hind legs (H-K) details of the Santana Formation Cearagryllinae (females). A, D, H) Cearagrylloides perforatorius n. gen. et n. comb., drawn from the specimen RGMN-506 (A), CV- 6015 (D, H); B, E) Cearagrylloides microcephalus n. gen. et n. comb., drawn from the specimen RGMN-508 (B), and GP/1T-1680 (E); C, G, K) Paracearagryllus poliacanthus n. gen. et n. comb., drawn from the specimen RGMN-338 (C, G), and from holotype (K); F) Cearagrylloides previstus n. gen. et n. comb., drawn from holotype. Scale bar 1 mm.
FIGURE 4 in The Orthoptera (Ensifera) from the Santana formation (Early Cretaceous, Northeast Brazil): A statistical and paleoecological approach, with description of new taxa
FIGURE 4. Euclydes ramosfernandesi Martins-Neto, 2007 reconstruction, based on the holotypus. Scale bar 5mm.
FIGURE 9. Strict component consensus tree obtained following a in Cranial anatomy of Jeholosaurus shangyuanensis (Dinosauria: Ornithischia) from the Early Cretaceous of China
FIGURE 9. Strict component consensus tree obtained following a posteriori deletion of Talenkauen, Yandusaurus and Zephyrosaurus. Numbers at nodes indicate bootstrap proportions> 50% (1,000 replicates). See text for further details.
FIGURE 8 in Cranial anatomy of Jeholosaurus shangyuanensis (Dinosauria: Ornithischia) from the Early Cretaceous of China
FIGURE 8. Referred specimens of Jeholosaurus shangyuanensis. A–D, IVPP V15718. E–F, IVPP V15719. A, F, right lateral view, B, dorsal view, C, E, ventral view and D, caudal view. Scale bars = 20 mm.
FIGURE 7 in Cranial anatomy of Jeholosaurus shangyuanensis (Dinosauria: Ornithischia) from the Early Cretaceous of China
FIGURE 7. Referred skull and mandible of Jeholosaurus shangyuanensis (IVPP V15717) A, dorsal, B, ventral and C,
FIGURE 6 in Cranial anatomy of Jeholosaurus shangyuanensis (Dinosauria: Ornithischia) from the Early Cretaceous of China
FIGURE 6. Outline drawing of the referred skull and mandible of Jeholosaurus shangyuanensis (IVPP V15716) in right lateral view. Abbreviations: an, angular; aof, antorbital fossa; aofo, antorbital fenestra; d, dentary; epi, epipterygoid; j, jugal; l, lachrymal; mx, maxilla; mxt, maxillary teeth; n, nasal; nf, nasal foramina; orn, ornamentation; pb, palpebral; pd, predentary; pf, prefrontal; pmx, premaxilla; po, postorbital; q, quadrate; qj, quadratojugal; qjf, quadratojugal foramen; sa, surangular; sq, squamosal; st, stapes.
FIGURE 5 in Cranial anatomy of Jeholosaurus shangyuanensis (Dinosauria: Ornithischia) from the Early Cretaceous of China
FIGURE 5. Referred skull and mandible of Jeholosaurus shangyuanensis (IVPP V15716) in right lateral view. A, whole specimen and B, close up on jugal to illustrate its nodular ornamentation. Scale bars = 20 mm (A) and 10 mm (B).
FIGURE 4 in Cranial anatomy of Jeholosaurus shangyuanensis (Dinosauria: Ornithischia) from the Early Cretaceous of China
FIGURE 4. Outline drawing of a referred specimen of Jeholosaurus shangyuanensis (IVPP V12530) in right lateral view. Abbreviations: an, angular; aof, antorbital fossa; cb, ceratobranchials; d, dentary; f, frontal; j, jugal; l, lachrymal; mx, maxilla; mxt, maxillary teeth; n, nasal; nd, nasal depression; nf, nasal foramina; pa, parietal; pf, prefrontal; pmx, premaxilla; po, postorbital; pr, prearticular; pt, pterygoid; q, quadrate; qj, quadratojugal; qjf, quadratojugal foramen; sa, surangular. Grey shaded area represents matrix.
FIGURE 3 in Cranial anatomy of Jeholosaurus shangyuanensis (Dinosauria: Ornithischia) from the Early Cretaceous of China
FIGURE 3. Referred skull and mandible of Jeholosaurus shangyuanensis (IVPP V12530) in right lateral view. A, whole skull and B, close up on snout to illustrate the line of foramina that perforates the nasal (individual foramina are marked with an arrow). Scale bars = 20 mm (A) and 5 mm (B).
FIGURE 2 in Cranial anatomy of Jeholosaurus shangyuanensis (Dinosauria: Ornithischia) from the Early Cretaceous of China
FIGURE 2. Outline drawings of the holotype skull of Jeholosaurus shangyuanensis (IVPP V12529) in A, dorsal and B, ventral views. Abbreviations: an, angular; aof, antorbital fossa; bo, basioccipital; bs, basisphenoid; cr, cervical rib; d, dentary; ect, ectopterygoid; en, endocast; epi, epipterygoid; ex, exoccipital/opisthotic; f, frontal; j, jugal; l, lachrymal; lpt, left pterygoid; mx, maxilla; mxt, maxillary teeth; n.a, articular surface for nasal; pa, parietal; pal, palatine; pd, predentary; pf.a, articular surface for prefrontal; pmx, premaxilla; po, postorbital; pr, prearticular; pt, pterygoid; q, quadrate; qj, quadratojugal; rpt, right pterygoid; sa, surangular; sp, splenial; sq, squamosal; XII, foramen for exit of cranial nerve XII.
FIGURE 1 in Cranial anatomy of Jeholosaurus shangyuanensis (Dinosauria: Ornithischia) from the Early Cretaceous of China
FIGURE 1. Holotype skull and mandibles of Jeholosaurus shangyuanensis (IVPP V12529) in A, dorsal, B, ventral and C, left lateral views. D, close up on left maxillary tooth row. Scale bars = 20 mm (A–C) and 10 mm (D).
FIGURES 1, 2 in A new fossil genus of Mesochrysopidae (Neuroptera) from the Early Cretaceous Yixian Formation of China
FIGURES 1, 2. Longicellochrysa yixiana gen. et sp. nov. Holotype, general view of the specimen.1, part CNU-NEU- LJ2009012P; 2, counterpart CNU-NEU-J2009012C.
FIGURE 3 in A new fossil genus of Mesochrysopidae (Neuroptera) from the Early Cretaceous Yixian Formation of China
FIGURE 3. Longicellochrysa yixiana gen. et sp. nov. Head of the holotype (part CNU-NEU-LJ2009012P) showing epicranial suture (arrow). Scale bar = 1 mm.
FIGURES 4, 5 in A new fossil genus of Mesochrysopidae (Neuroptera) from the Early Cretaceous Yixian Formation of China
FIGURES 4, 5. Longicellochrysa yixiana gen. et sp. nov. Holotype CNU- NEU-LJ2009012P. 4, drawing of the specimen as preserved; 5, forewing venation. Scale bar = 10 mm.
FIGURES 3–6 in Protoliupanshania wangi, a new genus and species from the Chinese Early Cretaceous (Odonata: Aeshnoptera: Liupanshaniidae)
FIGURES 3–6. Protoliupanshania wangi gen. nov., sp. nov., 3. holotype NIGP 148199, drawing. 4–6. Paratype specimen NIGP 148200. 4, left hind wing. 5, left forewing. 6, right forewing, standard abbreviations: AA anal vein, Ax1 Ax2 primary antenodal cross-veins, CuAa distal branch of cubitus anterior, CuAb proximal branch of cubitus anterior, IRi intercalary radial veins, MAa distal branch of median anterior, MAb posterior branch of median anterior, MP median posterior, N nodus, 'O' lestine oblique vein, PsA pseudo-anal vein, Pt pterostigma, RA radius anterior, RP radius posterior, tp trigonal planate, T discoidal triangle, al anal loop (scale bars 5 mm).
FIGURE 1 in Protoliupanshania wangi, a new genus and species from the Chinese Early Cretaceous (Odonata: Aeshnoptera: Liupanshaniidae)
FIGURE 1. Protoliupanshania wangi gen. nov., sp. nov., holotype NIGP 148199, photograph (scale bar 5 mm). FIGURE 2. Protoliupanshania wangi gen. nov., sp. nov., paratype specimen NIGP 148200, photograph (scale bar 5 mm).
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Allen Brain Atlas
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Annotated Behaviour and Observability Dataset (ABODe)
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