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Partial skeleton of the heterodontosaurid Tianyulong confuciusi from the Lower Cretaceous Jehol Group of China. Partial skeleton mainly in right lateral view (IVPP V17090). Enlargements of subsequent figures are shown in red. Scale bar equals 10 cm.

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.

Skeletal reconstruction of Yuxisaurus kopchicki showing some of the main preserved elements from the holotype (highlighted in blue), with details of the skull bones (A), cervical vertebrae (B), dorsal vertebrae (C), left scapula (D), right humerus (E), and left femur (F). Scale bars equal 5 cm (A–C) or 10 cm (D–F). The facial region and distal scapula are mirrored. Osteoderms have been omitted for convenience.

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.

Preserved bones of Sanjuansaurus gordilloi (PVSJ 605), positioned as they were found in the field. Abbreviations: ca1–15, caudal vertebrae 1–15; c2–9, cervical vertebrae 2–9; d1–14, dorsal vertebrae 1–14; l Fe, left femur; l il, left ilium; l MII, left metatarsal II; l Sc, left scapula and coracoid; l Ti, left tibia; l Ul, left ulna; Ph, manual phalanx; R, rib; r As-Ca, right astragalus and calcaneum; r Fe, right femur; r Fi, right fibula; r Fe, right femur; r Mx, right maxilla; r Pu, right pubis; r Sc, right scapula and coracoid; r Ti, right tibia; s1–3, sacral vertebrae 1–3. Scale bars equals 20 cm.

Outline of Irisosaurus yimenensis displaying the preserved material. The most informative elements are figured. (a) Outline; (b) Tooth; (c) Left maxilla; (d) Middle cervical; (e) Posterior cervical; (f) Anterior dorsal; (g) Middle dorsal neural spine; (h) Right scapula; (i) Right humerus; (j) Right ulna; (k) Right manus. Scale bars = 1 m (a); 1 cm (b); 5 cm (c–g); 10 cm (h–k).

Skeletal reconstruction and exemplar skeletal remains of Lingwulong shenqi. Silhouette showing preserved elements (a); middle cervical vertebra in left lateral (b) and anterior (c) views; anterior dorsal vertebra in left lateral (d) and anterior (e) views; posterior dorsal vertebra in lateral view (f); sacrum and ilium in left lateral view (g); anterior caudal vertebra in left lateral (h) and anterior (i) views; right scapulocoracoid in lateral view (j); right humerus in anterior view (k); left pubis in lateral view (l); right ischium in lateral (m) views; right femur in posterior view (n); and right tibia in lateral view (o). Abbreviations: ap, ambiens process; ar, acromial ridge; ip, iliac peduncle; naf, notch anterior to glenoid; np, neural spine; podl, postzygodiapophyseal lamina; ppr, prezygapophyseal process ridge; prp, prezygapophysis; pvf, posteroventral fossa; slf, shallow lateral fossa; spol, spinopostzygapophyseal lamina; sprl, spinoprezygapophyseal lamina; wls, wing-like structure. Scale bars = 100 cm for a and 5 cm for b–o

Photographs and half-tone drawings of the cervical and dorsal vertebrae of Leinkupal laticauda, gen. n. sp. n. (MMCH-Pv 63). Cervical 6? in (A) lateral and (B) posterior views. Cervical 8? in (C) lateral and (D) ventral views. Cervical 11? in (E) lateral and (F) dorsal views (reversed). Dorsal 2? in (G) lateral and (H) anterior views (reversed). Abbreviations: cprf, centroprezygapophyseal fossa; dia, diapophysis; hns, hemi neural spine; mt, median tubercle; nc, neural canal; pcdl, posterior centrodiapophyseal lamina; pf, pneumatic fossa; pocdf, postzygapophyseal centrodiapophyseal fossa; podl, postzygodiapophyseal lamina; poz, postzygapophysis; pp, parapophyses; prdl, prezygodiapophyseal lamina; prz, prezygapophysis; pvf, posteroventral flanges; sdf, spinodiapophyseal fossa. Scale bar equals 10 cm.

Holotype material of Dinheirosaurus lourinhanensis (ML 414, Porto Dinheiro), proximal end of a dorsal rib in anterior view (1), anterior caudal neural spine in posterior view (2) and articulated dorsal vertebrae in right view (3). Scale bar: 10 cm.

Austrosaurus mckillopi (QM F2316; holotype [part]) presacral vertebral series in left lateral view. Scale = 20 cm.

Skeletal reconstruction of the preserved postcranial elements of the holotype specimen of Yongjinglong datangi (GSGM ZH(08)-04). All elements are shown in left lateral view except the right ulna and radius which are in right medial view. Abbreviations: R, right; L, left. Scale bar equals 600 mm.

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.

Photograph of the holotype (USNM 538127) vertebra of the sauropod Dzharatitanus (Averianov & Sues, 2021). A is the posterior view; B is the right lateral view; C is the anterior view. Scale bar equals 10 centimetres.

Cervical vertebra (Cv 12) of Austroposeidon magnificus gen. et nov. sp. (A) Left lateral and (B) anterior views. Abbreviations: acdl, anterior centrodiapophyseal lamina; acpl, anterior centroparapophyseal lamina; cprl, centroprezygapophyseal lamina; d, diapophysis; prz, prezygapophysis; prdl, prezygodiapophyseal lamina; prsl, prespinal lamina; s, neural spine; sprl, spinoprezygapophyseal lamina. Scale bar: 100mm.

Uberabatitan ribeiroi (série - A, CPP-UrHo), mid-caudal vertebrae (according to Salgado and Carvalho, 2008). A-C (CPP-1020-UrB) in left lateral (A), dorsal (B) and dorsolateral (C) views. D-F (CPP-1018-UrB) in left lateral (D), posterior (E) and dorsal (F) views. G-J (CPP-1019-Ub) in left lateral (G), anterior (H), posterior (I) and dorsal (J) views. K-N (CPP-1017-UrHo) in left lateral (K), anterior (L), posterior (M) and dorsal (N) views. Scale bars: A-J 20 cm, K-N 10 cm.