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holotype

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Line drawings of the holotype skull of Spatulidentatus breviceps (GMG10) as preserved in its flattened and distorted state. At left is a grayscale version indicating general regions and anatomy (skull [upper jaw, skull roof, mandible], teeth, palate, and cervical bones), with the external nares (ext. nares) and orbit labeled. At right is a color-coded version distinguishing each skull bone with a different color. Both skulls are to the same scale; scale bar=5 cm.

Line drawings of the holotype skull of Spatulidentatus breviceps (GMG10) as preserved in its flattened and distorted state. At left is a grayscale version indicating general regions and anatomy (skull [upper jaw, skull roof, mandible], teeth, palate, and cervical bones), with the external nares (ext. nares) and orbit labeled. At right is a color-coded version distinguishing each skull bone with a different color. Both skulls are to the same scale; scale bar=5 cm.

bone scale drawing holotype +3
Garamaudo bauciensis, mandible. Holotype (CD13-PAL.2018.3.1.10), Bouc-Bel-Air - Sousquières (Bouches-du-Rhône Department, Provence, southeastern France), Santonian. A-H, photographs and interpretative drawings in lateral (A-B), medial (C-D), dorsal (E-F) and ventral (G-H) views. Abbreviations: af, adductor fossa; Ang, Angular; ag, angular groove; Art, Prearticular-articular unit; cob, coronoid buttress; cos, coronoid suture; ctf, corda tympani foramen; f, fossa; g, groove; gf, glenoid fossa; mnf, mandibular nerve foramen; psf, posterior surangular foramen; ri, ridge; rp, retroarticular process; rph, retroarticular process hook; Sur, surangular; sp, surangular horizontal plateau.

Garamaudo bauciensis, mandible. Holotype (CD13-PAL.2018.3.1.10), Bouc-Bel-Air - Sousquières (Bouches-du-Rhône Department, Provence, southeastern France), Santonian. A-H, photographs and interpretative drawings in lateral (A-B), medial (C-D), dorsal (E-F) and ventral (G-H) views. Abbreviations: af, adductor fossa; Ang, Angular; ag, angular groove; Art, Prearticular-articular unit; cob, coronoid buttress; cos, coronoid suture; ctf, corda tympani foramen; f, fossa; g, groove; gf, glenoid fossa; mnf, mandibular nerve foramen; psf, posterior surangular foramen; ri, ridge; rp, retroarticular process; rph, retroarticular process hook; Sur, surangular; sp, surangular horizontal plateau.

drawing France Santonian holotype +1
Brasileodactylus araripensis, holotype (MN 4804-V) in A, right lateral and B, dorsal view; C, interpretative drawing in dorsal view.
Taxa Brasileodactylus

Brasileodactylus araripensis, holotype (MN 4804-V) in A, right lateral and B, dorsal view; C, interpretative drawing in dorsal view.

drawing holotype Brasileodactylus
Reconstruction based on the holotype of Ceratocaudia antiqua (silhouette modified from that of Camarasaurus by Scott Hartman)

Reconstruction based on the holotype of Ceratocaudia antiqua (silhouette modified from that of Camarasaurus by Scott Hartman)

holotype Camarasaurus Ceratocaudia
Holotype of Fona herzogae NCSM 33548 at the w:North Carolina Museum of Natural Sciences
Taxa Fona

Holotype of Fona herzogae NCSM 33548 at the w:North Carolina Museum of Natural Sciences

museum holotype Fona
Specimens of Galleonosaurus dorisae n. gen. n. sp. from the Flat Rocks Sandstone in the upper Barremian, Wonthaggi Formation, Gippsland Basin, southeastern Australia: (1–2) holotype (NMV P229196), left maxilla in lateral (1) and medial (2) views; (3) NMV P208178, left maxilla in lateral view; (4) NMV P212845, left maxilla in lateral view; (5) NMV P209977, left maxilla in lateral view; (6) NMV P186440, left maxilla in lateral view; (7) NMV 208113, right maxillary tooth in labial view. Scale bars = 10 mm (1–6); 1 mm (7).
Taxa Galleonosaurus

Specimens of Galleonosaurus dorisae n. gen. n. sp. from the Flat Rocks Sandstone in the upper Barremian, Wonthaggi Formation, Gippsland Basin, southeastern Australia: (1–2) holotype (NMV P229196), left maxilla in lateral (1) and medial (2) views; (3) NMV P208178, left maxilla in lateral view; (4) NMV P212845, left maxilla in lateral view; (5) NMV P209977, left maxilla in lateral view; (6) NMV P186440, left maxilla in lateral view; (7) NMV 208113, right maxillary tooth in labial view. Scale bars = 10 mm (1–6); 1 mm (7).

scale tooth Australia Barremian +4
Yangtzepus yipingensis holotype (IVPP V2473) at the Paleozoological Museum of China.
Taxa Yangtzepus

Yangtzepus yipingensis holotype (IVPP V2473) at the Paleozoological Museum of China.

museum China holotype Yangtzepus
Figure 4: Savannasaurus elliottorum gen. et sp. nov., holotype specimen AODF 660. (a–e) Dorsal vertebrae (left lateral view). (f) Sacrum (ventral view). (g,h) Caudal vertebrae (left lateral view). (i) Left coracoid (lateral view). (j) Right sternal plate (ventral view). (k) Left radius (posterior view). (l) Right metacarpal III (anterior view). (m) Left astragalus (anterior view). (n) Coossified right and left pubes (anterior view). A number of ribs were preserved but have been omitted for clarity. Scale bar = 500 mm. [N.b.: the right sternal plate is misidentified [1] and is actually a left sternal plate.]
Taxa Savannasaurus

Figure 4: Savannasaurus elliottorum gen. et sp. nov., holotype specimen AODF 660. (a–e) Dorsal vertebrae (left lateral view). (f) Sacrum (ventral view). (g,h) Caudal vertebrae (left lateral view). (i) Left coracoid (lateral view). (j) Right sternal plate (ventral view). (k) Left radius (posterior view). (l) Right metacarpal III (anterior view). (m) Left astragalus (anterior view). (n) Coossified right and left pubes (anterior view). A number of ribs were preserved but have been omitted for clarity. Scale bar = 500 mm. [N.b.: the right sternal plate is misidentified [1] and is actually a left sternal plate.]

scale holotype specimen Savannasaurus
Holotype scapula of Tienshanosaurus chitaiensis on display at the Paleozoological Museum of China.
Taxa Tienshanosaurus

Holotype scapula of Tienshanosaurus chitaiensis on display at the Paleozoological Museum of China.

museum China holotype Tienshanosaurus
Mandschurosaurus amurensis holotype
Taxa Mandschurosaurus

Mandschurosaurus amurensis holotype

holotype Mandschurosaurus
Partial skeleton of Claosaurus agilis (holotype YPM 1190).

(A) Right ilium in lateral view. (B) Partial postorbital in lateral view. (C) Distal process of the right ischium in lateral view. (D) Mounted partial skeleton of YPM 1190. (E) Coronoid process of the right dentary in lateral view. (F) Fragment of maxilla in lateral view. (G) Detail of the maxillary tooth crowns in (F). (H) Fragment of maxilla in lateral view. (I) Detail of a maxillary tooth crown in (H).
Taxa Claosaurus

Partial skeleton of Claosaurus agilis (holotype YPM 1190). (A) Right ilium in lateral view. (B) Partial postorbital in lateral view. (C) Distal process of the right ischium in lateral view. (D) Mounted partial skeleton of YPM 1190. (E) Coronoid process of the right dentary in lateral view. (F) Fragment of maxilla in lateral view. (G) Detail of the maxillary tooth crowns in (F). (H) Fragment of maxilla in lateral view. (I) Detail of a maxillary tooth crown in (H).

tooth holotype Claosaurus partial +1
Photograph of a holotype (AMNH FARB 5764) vertebra of the sauropod Amphicoelias (Cope, 1878). A is the anterior view; B is the right lateral view; C is the posterior view; D is the left lateral view; E is the ventral view (with anterior surface toward the top). Blue polygon in C obscures hand used to brace the fragile vertebra for photography. Scale bar equals 10 centimetres.
Abbreviations: acpl, anterior centroparapophyseal lamina; cpol, centropostzygapophyseal lamina; cprl, centroprezygapophyseal lamina; d, diapophysis; hs, hyposphene; lspol, lateral spinopostzygapophyseal lamina; mspol, medial spinopostzygapophyseal lamina; p, parapophysis; pcdl, posterior centrodiapophyseal lamina; pcpl, posterior centroparapophyseal lamina; podl, postzygodiapophyseal lamina; prsl, prespinal lamina; spdl, spinodiapophyseal lamina; sprl, spinoprezygapophyseal lamina; tpol, interpostzygapophyseal lamina.
Taxa Amphicoelias

Photograph of a holotype (AMNH FARB 5764) vertebra of the sauropod Amphicoelias (Cope, 1878). A is the anterior view; B is the right lateral view; C is the posterior view; D is the left lateral view; E is the ventral view (with anterior surface toward the top). Blue polygon in C obscures hand used to brace the fragile vertebra for photography. Scale bar equals 10 centimetres. Abbreviations: acpl, anterior centroparapophyseal lamina; cpol, centropostzygapophyseal lamina; cprl, centroprezygapophyseal lamina; d, diapophysis; hs, hyposphene; lspol, lateral spinopostzygapophyseal lamina; mspol, medial spinopostzygapophyseal lamina; p, parapophysis; pcdl, posterior centrodiapophyseal lamina; pcpl, posterior centroparapophyseal lamina; podl, postzygodiapophyseal lamina; prsl, prespinal lamina; spdl, spinodiapophyseal lamina; sprl, spinoprezygapophyseal lamina; tpol, interpostzygapophyseal lamina.

scale vertebra holotype Amphicoelias
Leaellynasaura amicagraphica, dinosaur, skull. Holotype. [P 185991]
Taxa Leaellynasaura

Leaellynasaura amicagraphica, dinosaur, skull. Holotype. [P 185991]

museum holotype Dinosauria Leaellynasaura +1
Illustration of the holotype frontal bone of Albertavenator curriei TMP 1993.105.0001 in dorsal view. Scale bar is 5mm.
Taxa Albertavenator

Illustration of the holotype frontal bone of Albertavenator curriei TMP 1993.105.0001 in dorsal view. Scale bar is 5mm.

bone scale holotype Albertavenator
Various fossils pertaining to the holotype of the Triassic ichthyosaur Toretocnemus californicus. This image is derived from plate 24 in Merriam (1903), done by an uncredited artist. The arrangement of the individual figures has been modified from the original.
Original description:
Toretocnemus californicus n. gen. and sp.
Figures reproduced natural size from the type specimen.

Fig. 1. — Inferior side of right posterior limb. t, tibia.
Fig. 2. — Right anterior limb. r, radius.
Fig. 3.— Pelvic arch.
Fig. 4. — Middle dorsal vertebrae and a rib from the same region.
Taxa Toretocnemus

Various fossils pertaining to the holotype of the Triassic ichthyosaur Toretocnemus californicus. This image is derived from plate 24 in Merriam (1903), done by an uncredited artist. The arrangement of the individual figures has been modified from the original. Original description: Toretocnemus californicus n. gen. and sp. Figures reproduced natural size from the type specimen. Fig. 1. — Inferior side of right posterior limb. t, tibia. Fig. 2. — Right anterior limb. r, radius. Fig. 3.— Pelvic arch. Fig. 4. — Middle dorsal vertebrae and a rib from the same region.

limb description Triassic fossil +6
Stegoceras lambei Sternberg, n. sp. Holotype, G.S.C. no. 8818, superior and lateral view, X1.
Taxa Colepiocephale

Stegoceras lambei Sternberg, n. sp. Holotype, G.S.C. no. 8818, superior and lateral view, X1.

holotype Colepiocephale Stegoceras
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