tooth

Skeletal elements of Lophorhothon atopus. (A, B and C) Partial skull roof and braincase (holotype FMNH 27383) in dorsal, ventral, and left lateral views. (D) Partial left nasal of FMNH 27383 in lateral view. (E) Left prefrontal of FMNH 27383 in lateral view. (F) Partial left jugal of FMNH 27383 in medial view. (G) Detail of marginal denticles of the dentary tooth in (H). (H) Apical half of a dentary tooth crown AUMP 2295 in lingual view. (I) Maxillary tooth crown of FMNH 27383 in labial view. (J) Left pubis of AUMP 2295 in lateral view. (K) Iliac process of the left ilium of FMNH 27383 in lateral view.

A–C, tooth of “Paronychodon” (NMMNH P-30233) showing lingual (A), labial (B), and basal (C) views; D–F, tooth of “Paronychodon” (NMMNH P-30218), showing lingual (D), labial (E), and basal (F) views;

Tooth of cf. Richardoestesia gilmorei with close up of denticles.

Restoration of the spinosaurid dinosaur Siamosaurus in the Sao Khua Formation palaeoenvironment, with Sunosuchus in the middle left and a herd of Phuwiangosaurus in the background. References: Siamosaurus based on tooth specimens [1] and the neural spine of a possibly referable skeleton[2], with other missing elements filled in with relatives (Suchomimus[3], Baryonyx[4], IchthyovenatorFile:Ichthyovenator_laosensis_skeletal_reconstruction_by_PaleoGeek.png). Phuwiangosaurus based on skeletal by Suteethorn et al. (2009)[5] and missing elements of skull of EuhelopusFile:Euhelopus.png. Sunosuchus based on Suteethorn and Ingavat (1983)[6] and missing elements based on Goniopholis[7].

Partial skull of Manidens condorensis from the Middle Jurassic Cañadón Asfalto Formation of Argentina. Skull reconstructions in lateral view. Dashed lines indicate estimated edges. Abbreviations: a angular antfo antorbital fossa asaf anterior surangular foramen be buccal emargination bo basioccipital bt basal tubera d dentary d1, 2, 11 dentary tooth 1, 2, 11 emfo external mandibular fossa f frontal gl glenoid gr groove j jugal jfl jugal flange jh jugal horn m maxilla m1, 11 maxillary tooth 1, 11 n nasal pd predentary pm premaxilla po postorbital pof postorbital fossa popr paroccipital process q quadrate qj quadratojugal ri ridge sa surangular sq squamosal.

Cranial and postcranial sauropod remains from sediments of the Praia da Amoreira-Porto Novo Fm. of the coastal sector of Praia da Consolação-Lourinhã-Torres Vedras: 1-2, ?Turiasauria indet., heart-shaped tooth (SHN (JJS) 142, Praia da Corva) in lingual (1) and labial (2) views; 3-4, ?Macronaria indet., spatulate tooth (SHN 513, Porto Novo) in labial (3) and lingual (4) views; 5-6, Macronaria indet., compressed cone-chisel-shaped tooth (SHN 578, Valmitão) in lingual (5) and labial (6) views; 7-8, Eusauropoda indet., partial left maxilla (SHN 582, Praia dos Frades) in lateral (7) and posterior (8) views; 9, Titanosauriformes indet., posterior caudal vertebra (SHN 523, Praia da Corva) in right view; 10-12, Diplodocinae indet., partial skeleton (SHN (JJS) 177, Valmitão), anterior caudal neural spine in posterior view (10), anterior caudal centrum in right view (11) and left ischium in medial view (12); 13-16, holotype material of Zby atlanticus (ML 368, Vale de Pombas), right ungueal I in lateral view (13), right humerus in anterior view (14), right radius in posterior view (15), right ulna in lateral view (16); 17, Eusauropoda indet., partial distal forked-chevron (SHN 587, Praia da Corva) in medial view; 18, Sauropoda indet., pedal ungueal I (SHN 524, Praia de Pedrogãos) in lateral view; 19-22, Macronarian indet., partial skeleton (SHN 181, Valmitão), right astragalus in proximal view (19), anterior caudal vertebra in anterior view (20), right tibia in lateral view (21) and right fibula in medial view (22); 23-24, Eusauropoda indet., partial skeleton (SHN 530, Praia da Corva), anterior chevron in anterior view (23) and anterior caudal vertebra in posterior view (24); 25, cf. Duriatitan humerocristatus, humerus (MG 4976, Praia dos Frades) in anterior view; 26, Sauropoda indet., partial skeleton (SHN 534, Santa Rita), middle chevron in posterior view; 27, Diplodocidae indet., partial skeleton (SHN (JJS) 179, Praia Vermelha), dorsal/caudal (?) neural spine in posterior view; 28-30, holotype material of Dinheirosaurus lourinhanensis (ML 414, Porto Dinheiro), proximal end of a dorsal rib in anterior view (28), anterior caudal neural spine in posterior view (29) and articulated dorsal vertebrae in right view (30). Black scale bar: 10 cm; Grey scale bar: 5 cm; Brown scale bar: 1 cm. See Anatomical abbreviations for abbreviations.

Figure 1, 1a. Outer and oral aspects of the imperfect dentary bone of Sarcolestes Leedsi, from the Oxford Clay of Peterborough. 2/3 nat size. s = symphysis. Figure 1b. A single tooth of the former. 3/1 nat size. Figure 2, 2a. Outer aspect and quadratic cavity of the hinder region of the same jaw. 2/3 nat size. Figure 3. A single tooth of Priodontognathus Phillipsi, 3/1 nat size, shown for purposes of comparison. Specimen in the Woodwardian Museum, Cambridge.

Photographs and interpretive drawings of the titanosauroid Bonitasaura salgadoi Apesteguía, 2004 from the Upper Neuquén Group of Río Negro province, Patagonia, MPCA 460. A–D. Right dentary in dorsal (A), medial (B), ventral (C), and lateral (D) views. E. Isolated tooth in labial (E1) and lateral (E2) views; lingual view detail and schematic cross section showing hexagonal faceting (E3).

The Holotype batomorph tooth of Antiquaobatis grimmenensis from the Late Pliensbachian (spinatum) of Grimmen (Mecklenburg-Western Pomerania, Germany).

Tooth of extinct Hybodontidae View: Occlusal Datation: Jurássic Sup., Kimmerdgian/Tithonian ~150 Millions years Geologic horizon: Sub bacia Bombarral-Alcobaça / Lourinhã Fm. - PORTUGAL Deposit Number: PE02-VET-00087 in CCN Coll. Scale: 1 mm

Identifier: ridpathshistoryo01ridp (find matches) Title: Ridpath's history of the world; being an account of the ethnic origin, primitive estate, early migrations, social conditions and present promise of the principal families of men .. Year: 1897 (1890s) Authors: Ridpath, John Clark, 1840-1900 Subjects: World history Ethnology Publisher: New York, Merrill & Baker Contributing Library: Mugar Memorial Library, Boston University Digitizing Sponsor: Boston University View Book Page: Book Viewer About This Book: Catalog Entry View All Images: All Images From Book Click here to view book online to see this illustration in context in a browseable online version of this book. Text Appearing Before Image: the belief that the ap-pearance of man on the planet wouldoccur at the earliest practicable moment(so to speak), and that mankind wouldcontinue to nourish to the latest practi-cable date. It is one of the novel con- 82 GREAT RACES OF MANKIND. tradictions in the philosophy of a certainschool of thinkers that they would haveus believe that the earth, fitted up as itwere for the dwelling place of man, laygreen and virgin, waiting for his ap-pearance through eons of useless time—all this for no better reason than to sat-isfy the preconceptions of some impossi-ble system of chronology. Such short-sighted views of nature consistent with the astronomical andgeological preparation of the globe.Reason and fact alike require us to ac-cept as early a date for the appearanceof man as the design of the world andits conditions of habitability will admit.The results of reason must be acceptedin a world governed by law. That thedate of mans appearance was coinci-dent, or nearly coincident, with the Text Appearing After Image: .ANDSCAPE OF THE LOWER OOLITE (BEFORE THE AGE OF MAN).—Drawn by Riou. and of man we may at once dismiss asbelonging to the ignorance and blindnessRight reason de- of a former age. WhiledaTeforappS- the demands of right reason anceofman. ft0 not call for a limitless extension of man-life into the past, andwhile such a view is contradicted by sci-entific data which may not be doubted,a rational concept of the human race inrelation with the planetary life uponwhich it is maintained does call for aswide and far-reaching an arena as is astronomical changes in the characterof the earths orbit heretofore described,can not well be doubted by any onewhose mind has been freed from nar-row preconceptions on the subject.That our race career, measuring back-ward through the brief historical andtraditional periods of our ethnic life, hasextended far enough into the past tocover a considerable part of the planetlife with which it is associated, is a con-clusion warranted by every condition of TIME Note About Images Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original work.

Comparaison de la deuxième dent prémaxillaire d'Oromycter (A) et d'Arisierpeton (B) vue au microscope électronique à balayage

Comparisons of Victorian ornithopod maxillae in lateral view and schematics, showing dorsalmost extent of the maxillary ramus (indicated by large arrows): (1) Galleonosaurus dorisae n. gen. n sp., holotypic left maxilla (NMV P229196); (2) Atlascopcosaurus loadsi Rich and Rich, 1989, left maxilla (NMV P157390); (3) cast of original holotypic left maxilla of Atlascopcosaurus loadsi (NMV P166409). alv = alveolus; bur = buccal ridge; lpf = lateral palatine flange of maxilla; m#’ = maxillary tooth position (from posterior end) and replacement number; ml = medial lamina of maxilla; mra = maxillary ramus; nvt = neurovascular tract; plp = posterolateral process of maxilla; pmp = posteromedial process of maxilla; sal = supralveolar lamina of maxilla. Scale bars = 10 mm.

A tooth tip from the theropod dinosaur Nuthetes destructor from the Lulworth Formation, England

Restoration of the Chinese theropod "Sinopliosaurus fusuiensis" as a generalized spinosaurid. Silhouette of the holotype tooth is visible.

dent de Globidens aegyptiacus. La couronne dentaire montre bien le mode "broyeur" de ce Mosasaure.