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Leptocleidus capensis, a plesiosaur from the Early Cretaceous of South Africa, pencil drawing, digital coloring

Cranium of Sarmientosaurus musacchioi gen. et sp. nov. (MDT-PV 2). Photographs (A, C) and interpretive drawing (B) in right lateral (A, B) and left lateral (C) views. Abbreviations see text. Scale bar = 10 cm.

Cranium of Sarmientosaurus musacchioi gen. et sp. nov. (MDT-PV 2). Photographs (A, C) and interpretive drawing (B) in right lateral (A, B) and left lateral (C) views. Abbreviations see text. Scale bar = 10 cm.

Eekaulostomus cuevasae gen. and sp. nov. from the Danian marine deposits of the Belisario Domínguez quarry, near Palenque, Chiapas, southeastern Mexico. 1, General view of IGM 4716, holotype and single specimen known. 2, Idealized line drawing of the same specimen.

Holotype of Jian changmaensis (GSGM-D050), an articulated partial left pectoral girdle (scapulocoracoid) and forelimb (humerus, radius, and ulna). A, silhouette of generalized microraptorine dromaeosaurid theropod (courtesy Scott Hartman) showing skeletal elements preserved; B, photograph of specimen as preserved, exposed primarily in dorsomedial (scapulocoracoid), caudodorsal (humerus), and dorsal (radius and ulna) views; C, interpretive line drawing of B; D, detail photograph of scapulocoracoid and proximal end of humerus in caudodorsal view, showing supracoracoid fenestra and other structures; E, interpretive line drawing of D. Abbreviations: ac, acromion; bc, bicipital crest; C, coracoid; cr, caudal ridge; dep, dorsal epicondyle; dpc, deltopectoral crest; dr, dorsal ridge; ed, epicondylar depression; fs?, fossa for M. supinator?; H, humerus; hh, humeral head; lp, lateral process; ‘mb’, ‘medial bar’; op, olecranon process; R, radius; S, scapula; scb, scapular blade; scf, supracoracoid fenestra; sta, sternal articulation; U, ulna.

Sketch-drawing of the vertebrate faunal assemblage of the Lisowice site (modified from Niedźwiedzki)10. (a) Large, theropod-like predatory archosaur (Smok wawelski); (b) large temnospondyl amphibian (Cyclotosaurus sp.); (c) small predatory dinosaurs (Neotheropoda indet.); (d) temnospondyl amphibian (Gerrothorax sp.); (e) small basal crocodylomorph (Crocodylomorpha indet.); (f) small diapsid (Choristodere-like animal); (g) hybodont sharks (Polyacrodus and Hybodus); (h) coelacanth fish; (i) dipnoan fish (Ptychoceratodus sp.); (j) actinopterygian fish; (k) gigantic dicynodont; (l) dinosauriforms or early dinosaurs (Dinosauriformes indet. or Dinosauria indet.); (m) small lepidosauromorphs (Sphenodontia indet.); (n) pterosaurs (Pterosauria indet.); (o) early mammaliaform (Hallautherium sp.).

Elasmosaurus, Pencil drawing Author:User:ArthurWeasley

Restauration d'Agathaumas sphenocerus par Charles R. Knight.

Illustration d'un Brontosaure dans l'eau et d'un Diplodocus sur terre. L'idée que le Brontosaure était entièrement ou principalement aquatique est aujourd'hui considérée comme dépassée. L'image d'une queue traînant au sol et d'un crâne semblable à celui du Camarasaurus est également inexacte.

Laelaps bondissants - Deux Laelaps/Dryptosaurus se battent.

Digital drawing of the known skeletal remains of Caseosaurus crosbyensis. Known elements represented in white and unknown in gray. Reconstructed elements are based on Tawa hallae

Pencil drawing of Tanycolagreus topwilsoni profile by Smokeybjb

Pencil drawing of Coelurus, a coelurosaurian dinosaur that lived from the Late Jurassic period (North America).

Coelurus fragilis, a coelurosaur from the Late Jurassic of North America, pencil drawing, digital coloring

Coelurus fragilis, a coelurosaur from the Late Jurassic of North America, pencil drawing, digital coloring

Majungasaurus crenatissimus, an abelisaur from the Late Cretaceous of Madagascar, pencil drawing