spécimen

Nature du spécimen

228 image(s) · 18 Actualités

Galerie d'images

Reconstructed skull of Duriavenator hesperis showing known material (white) of the holotype and only known specimen. Unknown bones based on related Eustreptospondylus oxoniensis. Scale bar is 10cm, image is 10px/cm. Cranial anatomy based on Benson (2008) "A redescription of "Megalosaurus" hesperis (Dinosauria, Theropoda) from the Inferior Oolite (Bajocian, Middle Jurassic) of Dorset, United Kingdom"
Taxons Duriavenator

Reconstructed skull of Duriavenator hesperis showing known material (white) of the holotype and only known specimen. Unknown bones based on related Eustreptospondylus oxoniensis. Scale bar is 10cm, image is 10px/cm. Cranial anatomy based on Benson (2008) "A redescription of "Megalosaurus" hesperis (Dinosauria, Theropoda) from the Inferior Oolite (Bajocian, Middle Jurassic) of Dorset, United Kingdom"

os écaille Royaume-Uni Bajocien +11
Reconstructed skull of Wiehenvenator albati based on holotype specimen (white). Scale bar is 10cm, image if 10px/cm. Unknown material based on related Torvosaurus tanneri. Cranial anatomy based on Rauhut et al (2016) "A new megalosaurid theropod dinosaur from the late Middle Jurassic (Callovian) of north-western Germany: implications for theropod evolution and faunal turnover in the Jurassic"
Taxons Wiehenvenator

Reconstructed skull of Wiehenvenator albati based on holotype specimen (white). Scale bar is 10cm, image if 10px/cm. Unknown material based on related Torvosaurus tanneri. Cranial anatomy based on Rauhut et al (2016) "A new megalosaurid theropod dinosaur from the late Middle Jurassic (Callovian) of north-western Germany: implications for theropod evolution and faunal turnover in the Jurassic"

écaille Allemagne Callovien Jurassique +10
Reconstructed skull of the holotype and only specimen of Leshansaurus qianweiensis based on the possibly related megalosaurid Dubreuillosaurus valesdunensis. Scale bar is 10cm, image is 10px/cm. Cranial anatomy from figures in Fei et al. (2009) "A new carnosaur from the Late Jurassic of Qianwei, Sichuan, China". White bones are figured, light grey bones are unfigured and minimally described.
Taxons Leshansaurus

Reconstructed skull of the holotype and only specimen of Leshansaurus qianweiensis based on the possibly related megalosaurid Dubreuillosaurus valesdunensis. Scale bar is 10cm, image is 10px/cm. Cranial anatomy from figures in Fei et al. (2009) "A new carnosaur from the Late Jurassic of Qianwei, Sichuan, China". White bones are figured, light grey bones are unfigured and minimally described.

os écaille Chine Jurassique +9
Specimen MN 6117-V, holotype of Oxalaia quilombensis.

A, Left lateral view. B, Right lateral view. C, Dorsal view. D, Slightly oblique ventral view, emphasizing the sculptured condition of the palatal portion of the left premaxilla. Abbreviations for teeth follow Hendrickx et al. [58]. Additional abbreviations: am.p, anteromedial process of maxilla; pm, premaxilla; r.t, replacement tooth; s.p, secondary palate.
Taxons Oxalaia

Specimen MN 6117-V, holotype of Oxalaia quilombensis. A, Left lateral view. B, Right lateral view. C, Dorsal view. D, Slightly oblique ventral view, emphasizing the sculptured condition of the palatal portion of the left premaxilla. Abbreviations for teeth follow Hendrickx et al. [58]. Additional abbreviations: am.p, anteromedial process of maxilla; pm, premaxilla; r.t, replacement tooth; s.p, secondary palate.

dent holotype spécimen Oxalaia
The holotype of Tameryraptor markgrafi (SNSB-BSPG 1922 X46). Photograph of the mounted specimen at a point prior to April 1944.
Taxons Tameryraptor

The holotype of Tameryraptor markgrafi (SNSB-BSPG 1922 X46). Photograph of the mounted specimen at a point prior to April 1944.

holotype spécimen Tameryraptor
Caihong juji holotype specimen (PMoL-B00175). Photographs of the slab (a) and counter slab (b) and line drawing (c) of the specimen based on both slabs. Photograph (d) and line drawing (e) of a composite of the rostrum of the skull and mandible exposed on the counter slab and the post-rostrum cranium exposed on the slab. Arrows indicate lacrimal crests. Question mark indicates uncertain identification. Scale bars: 10 cm a–c, 1 cm d and e. aof antorbital fenestra, cav caudal vertebra, cev cervical vertebra, dr dorsal rib, dv dorsal vertebra, ect ectopterygoid, emf external mandibular fenestra, en external naris, f feather, fu furcula, ga gastralia, hy hyoid, il ilium, is ischium, la left angular, lar left articular, lc left coracoid, lcr lacrimal crest, ld left dentary, lf left, frontal, lfe left femur, lh left humerus, lj left jugal, ll left lacrimal, lma left maxilla, lm left manus, ln left nasal, lp left pes, lpa left palatine, lpo left postorbital, lq left quadrate, lqj left quadratojugal, lr left radius, ls left scapula, lsp left splenial, lsa left surangular, lsq left squamosal, lt left tibiotarsus, lu left ulna, ma mandible, mf maxillary fenestra, o orbit, p parietal, pm premaxilla, pt pterygoid, pu pubis, rar right articular, rc right coracoid, rd right dentary, rfe right femur, rh right humerus, rm right manus, rp right pes, rpra right prearticular, rq right quadrate, rr right radius, rs right scapula, rt right tibiotarsus, ru right ulna, scl sclerotic bones, sk skull, sy synsacrum
Taxons Caihong

Caihong juji holotype specimen (PMoL-B00175). Photographs of the slab (a) and counter slab (b) and line drawing (c) of the specimen based on both slabs. Photograph (d) and line drawing (e) of a composite of the rostrum of the skull and mandible exposed on the counter slab and the post-rostrum cranium exposed on the slab. Arrows indicate lacrimal crests. Question mark indicates uncertain identification. Scale bars: 10 cm a–c, 1 cm d and e. aof antorbital fenestra, cav caudal vertebra, cev cervical vertebra, dr dorsal rib, dv dorsal vertebra, ect ectopterygoid, emf external mandibular fenestra, en external naris, f feather, fu furcula, ga gastralia, hy hyoid, il ilium, is ischium, la left angular, lar left articular, lc left coracoid, lcr lacrimal crest, ld left dentary, lf left, frontal, lfe left femur, lh left humerus, lj left jugal, ll left lacrimal, lma left maxilla, lm left manus, ln left nasal, lp left pes, lpa left palatine, lpo left postorbital, lq left quadrate, lqj left quadratojugal, lr left radius, ls left scapula, lsp left splenial, lsa left surangular, lsq left squamosal, lt left tibiotarsus, lu left ulna, ma mandible, mf maxillary fenestra, o orbit, p parietal, pm premaxilla, pt pterygoid, pu pubis, rar right articular, rc right coracoid, rd right dentary, rfe right femur, rh right humerus, rm right manus, rp right pes, rpra right prearticular, rq right quadrate, rr right radius, rs right scapula, rt right tibiotarsus, ru right ulna, scl sclerotic bones, sk skull, sy synsacrum

crête plume humérus écaille +7
Holotype specimen of Linheraptor exquisitus, the blocks including nearly the entire skeleton.
Taxons Linheraptor

Holotype specimen of Linheraptor exquisitus, the blocks including nearly the entire skeleton.

Japon holotype spécimen Linheraptor +1
Plate 53. Borogovia gracilicrus gen. et sp. n.
1. Fragmentary right pes, in: a dorsal, b ventral, views; ZPAL MgD-11174, holotype, X 0.5.
2. Phalanx 11-1 of the left pes, medial view; same specimen, X 1.
3. Ungual of left second pedal digit, ventral view; same specimen, X 1.
4. Phalanx 111-3 of the left pes, lateral view; same specimen, X 1.
5. Phalanges IV-1 to IV-4 of the left pes, lateral view; same specimen, X 1.
6. Distal portion of right metatarsal 111, posterior view; same specimen, X 1.
7. Distal portion of left metatarsal IV, medial view; same specimen, X 1.
8. Distal portion of left metatarsal 11, lateral view; same specimen, X 1.
9. Right tibiotarsus, a distal portion and b proximal portion with fragment of the fibula attached, posterior views, c distal portion, anterior view, d distal portion, lateral view; same specimen, X 0.5.

Nemegt Formation, ?Late Campanian or ?Early Maastrichtian, Ultan Ula IV, Nemegt Basin, Gobi Desert, Mongolia
Taxons Borogovia

Plate 53. Borogovia gracilicrus gen. et sp. n. 1. Fragmentary right pes, in: a dorsal, b ventral, views; ZPAL MgD-11174, holotype, X 0.5. 2. Phalanx 11-1 of the left pes, medial view; same specimen, X 1. 3. Ungual of left second pedal digit, ventral view; same specimen, X 1. 4. Phalanx 111-3 of the left pes, lateral view; same specimen, X 1. 5. Phalanges IV-1 to IV-4 of the left pes, lateral view; same specimen, X 1. 6. Distal portion of right metatarsal 111, posterior view; same specimen, X 1. 7. Distal portion of left metatarsal IV, medial view; same specimen, X 1. 8. Distal portion of left metatarsal 11, lateral view; same specimen, X 1. 9. Right tibiotarsus, a distal portion and b proximal portion with fragment of the fibula attached, posterior views, c distal portion, anterior view, d distal portion, lateral view; same specimen, X 0.5. Nemegt Formation, ?Late Campanian or ?Early Maastrichtian, Ultan Ula IV, Nemegt Basin, Gobi Desert, Mongolia

Mongolie Campanien Maastrichtien holotype +4
Holotype specimen (IVPP V15471) of Epidexipteryx hui on display at the Paleozoological Museum of China.
Taxons Epidexipteryx

Holotype specimen (IVPP V15471) of Epidexipteryx hui on display at the Paleozoological Museum of China.

musée Chine holotype spécimen +1
Fossil specimen in the Natural History Museum of Utah, Salt Lake City, Utah, USA. Photography was permitted in the museum without restriction.
Taxons Hagryphus

Fossil specimen in the Natural History Museum of Utah, Salt Lake City, Utah, USA. Photography was permitted in the museum without restriction.

musée États-Unis fossile spécimen +1
Restoration of Ganzhousaurus nankangensis, proportions based on diagrams of the holotype specimen and related genera.
Taxons Ganzhousaurus

Restoration of Ganzhousaurus nankangensis, proportions based on diagrams of the holotype specimen and related genera.

holotype spécimen Ganzhousaurus
A photograph of the skeleton of Jianchangosaurus yixianensis gen. et sp. nov. (41HIII-0308A) (A) and line drawing (B).

Abbreviations: at, atlas; ax, axis; cav, caudal vertebra; cv, cervical vertebra; co, coracoid; dc, distal carpal; dv, dorsal vertebra; l., left; f, femur; fi, fibula; fur, furcula; hu, humerus; il, ilium; is, ischium; pu, pubis; ra, radius; sc, scapula; ti, tibia; ul, ulna; mc, metacarpal; mt, metatarsal; mxf, maxillary fenestra; pat, proatlas; r., right; sr, sacral rib; sv, sacral vertebra; ung, ungual. All elements of the skeleton are preserved except the distal half of the caudal vertebrae. Dashed lines of metatarsals indicate areas that have been reconstructed. The middle portion of the neck, from the fourth to ninth cervical vertebrae, and the pedal phalanges have been repositioned. The rest of elements of this specimen are in the original position.
Taxons Jianchangosaurus

A photograph of the skeleton of Jianchangosaurus yixianensis gen. et sp. nov. (41HIII-0308A) (A) and line drawing (B). Abbreviations: at, atlas; ax, axis; cav, caudal vertebra; cv, cervical vertebra; co, coracoid; dc, distal carpal; dv, dorsal vertebra; l., left; f, femur; fi, fibula; fur, furcula; hu, humerus; il, ilium; is, ischium; pu, pubis; ra, radius; sc, scapula; ti, tibia; ul, ulna; mc, metacarpal; mt, metatarsal; mxf, maxillary fenestra; pat, proatlas; r., right; sr, sacral rib; sv, sacral vertebra; ung, ungual. All elements of the skeleton are preserved except the distal half of the caudal vertebrae. Dashed lines of metatarsals indicate areas that have been reconstructed. The middle portion of the neck, from the fourth to ninth cervical vertebrae, and the pedal phalanges have been repositioned. The rest of elements of this specimen are in the original position.

humérus vertèbre dessin spécimen +2
Holotype of Jaculinykus yaruui gen. et sp. nov. (MPC-D 100/209). (A) Photograph of the specimen. (B) Explanatory drawing of (A). Highlighted areas refer to the indication of the skeletal elements; skull in green, tail in grey, pectoral girdle and forelimbs in red, pelvis and hind limbs in purple. (C) Reconstruction of Jaculinykus yaruui gen. et sp. nov. Grey areas are missing parts.
Taxons Jaculinykus

Holotype of Jaculinykus yaruui gen. et sp. nov. (MPC-D 100/209). (A) Photograph of the specimen. (B) Explanatory drawing of (A). Highlighted areas refer to the indication of the skeletal elements; skull in green, tail in grey, pectoral girdle and forelimbs in red, pelvis and hind limbs in purple. (C) Reconstruction of Jaculinykus yaruui gen. et sp. nov. Grey areas are missing parts.

membre bassin dessin holotype +3
Holotype fossil specimen SMNS 12591 of Procompsognathus
Taxons Procompsognathus

Holotype fossil specimen SMNS 12591 of Procompsognathus

fossile holotype spécimen Procompsognathinae +1
Holotype fossil specimen SMNS 12591 of Procompsognathus
Taxons Procompsognathinae

Holotype fossil specimen SMNS 12591 of Procompsognathus

fossile holotype spécimen Procompsognathinae +1
Holotype specimen of Notatesseraeraptor frickensis, a theropod dinosaur, in Sauriermuseum Frick .
Taxons Notatesseraeraptor

Holotype specimen of Notatesseraeraptor frickensis, a theropod dinosaur, in Sauriermuseum Frick .

holotype spécimen Dinosauria Notatesseraeraptor
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Actualités

244-Million-Year-Old Fossil Preserves Earliest Reptilian Digestive System
Un fossile vieux de 244 millions d’années préserve le premier système digestif reptilien
Chine Trias fossile spécimen
Un spécimen superbement conservé d'Austronaga minuta, un petit reptile marin au long cou du Trias chinois, contient un estomac, un foie et des intestins fossilisés, offrant aux paléontologues leur plus ancien aperçu détaillé de la façon dont les premiers reptiles digéraient la nourriture. L'article Un fossile vieux de 244 millions d'années préserve le premier système digestif reptilien est apparu en premier sur Sci.News : Breaking Science News.
04/08/2026 sci-news ⚙ Traduction automatique
Un nouveau projet de recherche sur les collections coloniales examine des spécimens de musée du Togo et du Ghana
musée Ghana Togo spécimen étude
Un nouveau projet de recherche sur les collections coloniales a été lancé avec la participation de plusieurs grands musées berlinois. Les chercheurs étudieront les origines et l’histoire d’importantes collections d’histoire naturelle et culturelles rassemblées pendant la période coloniale allemande. Pour la première fois, des institutions berlinoises travaillent ensemble pour étudier les collections liées à l'ancienne colonie allemande du Togo. À
04/07/2026 everythingdinosaur ⚙ Traduction automatique
New Species of Ancient Bear-Dog Identified in Spain
Nouvelle espèce d'ancien chien-ours identifiée en Espagne
bassin Espagne fossile spécimen mammifères nouvelle espèce
Les paléontologues ont identifié une espèce jusqu'alors inconnue d'amphicyonidés - la famille éteinte de mammifères carnivores communément connue sous le nom de chiens-ours - à partir de deux spécimens découverts sur un riche site fossile du bassin du Vallès-Penedès, près de Barcelone, en Espagne. L'article Nouvelle espèce d'ancien chien-ours identifié en Espagne est apparu en premier sur Sci.News : Breaking Science News.
11/06/2026 sci-news ⚙ Traduction automatique
New Microraptorine Dinosaur Discovered in China
Un nouveau dinosaure microraptorine découvert en Chine
Chine Crétacé Crétacé inférieur spécimen Dinosauria Jian Microraptorinae oiseau
Jian changmaensis est le premier dinosaure non aviaire découvert sur un site paléontologique ayant livré plus de 100 spécimens d'oiseaux du Crétacé inférieur. L'article Un nouveau dinosaure microraptorine découvert en Chine est apparu en premier sur Sci.News : Breaking Science News.
04/06/2026 sci-news ⚙ Traduction automatique
New Species of Fossil Axolotl Unearthed in Mexico
De nouvelles espèces d’axolotl fossiles découvertes au Mexique
Mexique fossile spécimen découverte nouvelle espèce
Les paléontologues ont identifié une nouvelle espèce du genre axolotl Ambystoma à partir de plusieurs spécimens fossilisés trouvés au fond des affleurements rocheux de l'État mexicain d'Hidalgo. L'article De nouvelles espèces d'axolotl fossiles découvertes au Mexique sont apparus en premier sur Sci.News : Breaking Science News.
02/06/2026 sci-news ⚙ Traduction automatique
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