Toutes les images de la base — taxons, formations et intervalles géologiques.
⚠ La fonctionnalité de récupération des images est en cours de test, des images non pertinentes peuvent apparaître.
4,186 image(s)
Hualianceratops holotype IVVP V18641, Skull reconstruction
Incomplete skeleton of Camptosaurus prestwichii, now referred to as Cumnoria, Oxford University Museum of Natural History.
Cranium of Yuanmouraptor jinshajiangensis (LFGT-ZLJ0115). Cranium in (A) left lateral view with (B) labeled drawing and (C) right lateral view with (D) labeled drawing. Abbreviations: an, angular; ar, articular; bs, basisphenoid; d, dentary; f, frontal; j, jugal; l, lacrimal; lsp, laterosphenoid; m, maxilla; n, nasal; ot, otoccipital; prm, premaxilla; pa, parietal; pal, palatine; par, prearticular; po, postorbital; pop, paroccipital process; pr, prootic; prf, prefrontal; q, quadrate; qj, quadratojugal; sa, surangular; sp, splenial; so, supraoccipital; sq, squamosal. Striated area indicates damage and grey area indicates matrix. Scale bar represents 100 mm. Photos by Xiao-Chun Wu.
3D-printed cast of the Timurlengia euotica holotypic braincase (ZIN PH 1146/16) on display at the Smithsonian's National Museum of Natural History.
Huaxiazhoulong is a fairly large ankylosaurid dinosaur, at around 6 m in length. It was a robust quadruped with a beak and teeth adapted for processing its herbivorous diet. Huaxiazhoulong had an armor of osteoderms, and the characteristic ankylosaurid tail club which was likely used in defense against predators, as well as intraspecific combat.
Part of the holotype of Metriacanthosaurus parkeri
Holotype specimen of Notatesseraeraptor frickensis, a theropod dinosaur, in Sauriermuseum Frick .
Figure 2. Holotype of Liaodactylus primus gen. et sp. nov. (PMOL-AP00031): photographs and line drawings of the nearly complete skull with mandibles in left lateral (a,b), and palatal (c,d) views. aa, atlas-axis complex; an, angular; arf, articular facet; bo, basioccipital; bs, basisphenoid; co, coronoid; d, dentary; ec, ectopterygoid; f, frontal; j, jugal; m, maxilla; naof, nasoantorbital fenestra; p, parietal; pal, palatine; pat, proatlas; pecf, pterygo-ectopterygoid fenestra; pm, premaxilla; pof, postfrontal; pra, prearticular; pt, pterygoid; q, quadrate; qj, quadratojugal; sa, surangular; sof, suborbital fenestra; spl, splenial; sq, squamosal; stf, subtemporal fenestra.
Yueosaurus tiantaiensis, reconstructed skeletons, Zhejiang Geological Museum
Calvarius is a genus of styracosternan ornithopod from the Late Cretaceous of Spain. The name alludes to its chronostratigraphic proximity to the extinction event that wiped out the non-avian dinosaurs at the end of the Cretaceous. The highly modified metatarsal that is known from shows an example of convergent evolution, as it is more similar to non-iguanodontian ornithopods than to other styracosternans. It is thought that this is due to fulfilling a niche in its island habitat, resulting in Calvarius becoming a small-bodied animal, capable of rapid locomotion.
Preserved elements of Eurazhdarcho langendorfensis re-assembled as found in partial articulation. EME VP 312. (a) Slab and counter-slab with cervical vertebrae in dorsal view. (b) Specimen in original position with cervicals in ventral view.
Size comparison of the genus within Carnotaurinae. Silhouette sources: Carnotaurus: File:Carnotaurus_Size_Chart.png Abelisaurus: File:Carnotaurus_reconstruction_Headden.jpg Pycnonemosaurus: File:Pycnonemosaurus_nevesi_skeletal_simple.jpg Aucasaurus: File:Aucasaurus_garridoi_by_Paleocolour.jpg Quilmesaurus: File:Quilmesaurus_curriei.jpg Ilokelesia: File:Rahiolisaurus_size.jpg Skorpiovenator: File:Skorpiovenator_bustingorryi.jpg Ekrixinatosaurus: File:Ekrixinatosaurus_novasi_by_Henrique_Paes.png Viavenator: File:Viavenator.jpg Thanos: File:Thanos_simonattoi.png
Tachiraptor admirabilis gen et sp. nov. Holotype right tibia (IVIC-P-2867) in (a) lateral (proximal portion), (b) proximal, (c) lateral, (d) distal and (e) cranial (distal portion) views. Referred left ischium (IVIC-P-2868) in (f) lateral view. Abbreviations: ab, astragalar buttress; cc, cnemial crest; ai, cranial emargination; cn, caudal notch; fc, fibular condyle; fcr, fibular crest; ia, iliac articulation; in, intercondylar notch; it, incisura tibialis; keg, ‘knee extensor groove’; lg, longitudinal groove; lk, lateral kink; mc, medial condyle; om, outer malleolus; op, obturator plate; pp, pubic peduncle; pvr, ‘postero-ventral ridge’; rd, ridge; tn, tibial notch; vr, ventral ridge.
Illustration of the pelvis from the theropod dinosaur Siamotyrannus isanensis. Siamotyrannus lived in Thailand, according to scientists about 90 MYA. It has been estimated to a length of 7 meter, and a weight of about 2 tonnes. Scientists has been uncertain if Siamotyrannus is a member of the family Tyrannosauridae or to Sinraptoridae.
Changchunsaurus parvus, a neornithischian dinosaur.
L01-HY999, the holotype left femur of Archaeocursor asiaticus (photograph and CT image). (A) anterior view. (B) posterior view. (C) lateral view. (D) medial view. (E) proximal view. (F) distal view. Abbreviations: aig, anterior intercondylar groove; alt, anterolateral tuber; at, anterior trochanter; d, depression; d. CFL, depression for the attachment of M. caudofemoralis longus; d. PIFI, depression for the attachment of M. puboischiofemoralis internus; fh, femoral head; ft, fourth trochanter; gt, greater trochanter; lc, lateral condyle; lg, ligament groove; mc, medial condyle; pbp, posterior boundary of the proximal end; pmt, posteromedial tuber; pof, popliteal fossa; s, suture; sop, summit of the proximal end. Scale bar=30 millimeters.
ACM 663, holotype of Dyslocosaurus polyonychius in the Beneski Museum of Natural History.
The skull of Zupaysaurus rougieri (A) in right lateral view. Scale bar equals 5 cm. Cropped from Figure 2 in the source. anfe - antorbital fenestra emf - external mandibular fenestra itf - infratemporal fenestra or - orbit
Original figure caption: Thoracic osteoderms of WSC 16505, holotype of I. zephyri. WSC 16505.4, lateral thoracic osteoderm in (A) external, (B) basal, (C) medial, (D) lateral, (E) cranial, and (F) caudal views. WSC 16505.5, thoracic osteoderm in (G) external, (H) basal, (I) medial or lateral (orientation uncertain), (J) medial or lateral (orientation uncertain), (K) cranial, and (L) caudal views. WSC 16505.6, thoracic ossicle in (M) external, (N) basal, and (O–R) marginal views (orientation uncertain). Scale bars equal five cm.
Photograph (A) and line drawings (B) of Gladocephaloideus jingangshanensis (JPM 2014–004). Abbreviations: ca, carpals; cr, coracoids; cv, cervical vertebrae; d, dentray; dg, deep groove along the mid-line of the mandibular symphysis; dv, dorsal vertebrae; dr, dorsal ribs; etp, extensor tendon process; f, frontal; fc, fifth carpal; fe, femur; fi, fibula; fin, fingers; h, humerus; il, ilium; m, maxilla; mmttsI-IV, metatrals I-IV; mttv, metatarsal V; nao, nasoantorbital opening; or, orbital; pcr, parietal crest; pm, premaxilla; pt, pteroid; ra, radius; rdl, radiale; sc, scapula; st, sternum; sl, sclerotic rings; t, teeth; tc, tooth sockets; ti, tibia; ul, ulna; wm, wing metacarpal; wph1-4, wing phalanges 1–4. Scale bar = 5 cm.
Holotype of Imperobator antarcticus (UCMP 276000), cropped and modified from Figure 4 (scale bar = 100 mm)
Bakonydraco galaczi gen. et sp. nov.MTMGyn/3, Iharkút, Bakony Mts., Hungary, Csehbánya Formation, Santonian (Upper Cretaceous). Mandible in dorsal (A, B), ventral (C, D), and lateral (E, F) views.
Skeletal elements of Bajadasaurus pronuspinax gen. et sp. nov (MMCh-PV 75). (A–C) Skull roof and braincase in posterior (A), left lateral (B) and right lateral (C) views. (D,E) Left lower jaw in dorsal (D) and medial (E) views. F, Dentaries in anterior view. (G) Pterygoids in ventral view. (H) Left maxilla in medial view. (I) Left lacrimal in lateral view. (J) Left quadratojugal in lateral view. (K,L) Right quadrate in medial (K) and posterior (L) views. (M) Proatlases in dorsal view. (N) Atlantal neurapophyses in anterior view. (O,P), Axis in left lateral (O) and anterior (P) views. (Q,R) Fifth cervical vertebra in left lateral (Q) and anterior (R) views. an, angular; ar, articular; bo, basioccipital; bt, basal tubera; btp, basipterygoid process; ch, ‘chin’ of dentary; cn, cranial nerve; d, dentary; di, diapophysis; f, frontal; fm, foramen magnum; fo, fenestra ovalis; ls, laterosphenoid; met, metotic foramen; mp, medial process; nc, neural canal; ns, neural spine; os, orbitosphenoid; p, parietal; pfo, pneumatic fossa; po, postorbital; pocdf, postzygapophyseal centrodiapophyseal fossa; podl, postzygodiapophyseal lamina; popr, paraoccipital process; poz, postzygapophysis; pra, prearticular; pre, prezygapophysis; prsl, prespinal lamina; ptf, postemporal fenestra; qf, quadrate fossa; rm, replacement maxillary tooth; sa, surangular; sp, splenial; sq, squamosal; stf, supratemporal fenestra; vk, ventral keel; vp, ventral process.
Figure 1: The holotype of the large-bodied, short-armed Liaoning dromaeosaurid Zhenyuanlong suni gen et. sp. nov. (JPM-0008).
Life restoration of Morrosaurus antarcticus based on fossil images. Integument based on small, bipedal ornithischians like Kulindadromeus.
A replica of MIWG 1530, the holotype of the indeterminate archosaur Yaverlandia bitholus. As seen from two angles.
The skull of Aquilops in three versions: the actual holotype fossil down below, a reconstruction of the distorted skull with the missing bits sculpted in by preparator and reptile-reconstructor extraordinaire Kyle Davies (see more of his work here), and a reconstruction of the skull as it might have looked before it went through the ravages of taphonomy.
Skeletal anatomy of Doolysaurus huhmini. All scale bars are 10 mm. Artwork by Janet Cañamar. Abbreviations: 4th tr: fourth trochanter; be: buccal emargination; boc: basioccipital condyle; bpro: boss for articulation with proatlas; bt: basal tubera; cc: cnemial condyle; cfo: carotid aorta foramen; cpc: coronoid process; dh: dorsal head; dtt: dentary tooth; ec: endocranial cavity; eoas: exoccipital articular surface; fm: foramen magnum; lc: lateral condyle; lw: lateral wing; mc: medial condyle; mkc: Meckelian canal; mt: metatarsal; mw: medial wing; mxt: maxillary tooth; ns: neural spine; oc: occipital condyle; pd: pedal digit; plp: posterolateral process; pop: paroccipital process; poz: postzygapophysis; prz: prezygapophyses; pscf: posterior semicircular canal foramen; ptf: posttemporal foramen.
Schematic drawing of MUPA-ATZ0103, postcranial skeleton of the paratype of Paludidraco multidentatus.
Reconstruction of Minimocursor phunoiensis gen. et sp. nov. (PRC 150) in left lateral view (except reversed images of the right jugal). Recovered elements of the holotype shown in white (A); holotype with referred materials, which are not to scale, shown in light purple (B). Drawings by Wongwech Chowchuvech.
Figure 1: Holotype and skeletal reconstruction of Mosaiceratops azumai, gen. et sp. nov (ZMNH M8856). (a) photograph and line drawing of ZMNH M8856; (b) skeletal reconstruction showing preserved elements in white. Scale bar 10 cm. Abbreviations: a, astragalus; boc, basioccipital; c, calcaneum; cav, caudal vertebra; ch, chevron; cv, cervical vertebra; dr, dorsal rib; dv, dorsal vertebra; f, frontal; fem, femur; fl, fibula; h, humerus; il, ilium; is, ischium; L, left; mt, metatarsal; ph, phalanx/phalanges; po, postorbital; R, right; sk, skull; sq, squamosal; t, tibia; td, tendon; ?, undiagnostic remains.
Notohypsilodon comodorensis, an elasmarian ornithopod dinosaur.