holotype

Left femur of Alwalkeria maleriensis (ISI R 306, holotype). A, posterior, B, anterior, C, proximal, D, distal views

Ohmdenosaurus holotype specimen, on exhibit at the Urweltmuseum Hauff. The specimen includes a lower leg (tibia, astragalus, calcaneus). Labels after Wild, 1978. Wild, R. (1978). "Ein Sauropoden-Rest (Reptilia, Saurischia) aus dem Posidonienschiefer (Lias, Toarcium) von Holzmaden". Stuttgarter Beiträge zur Naturkunde, Serie B (Geologie und Paläontologie) (in German). 41: 1–15.

Skeletal reconstruction of Anhuilong diboensis based on holotype AGB 5822.

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.

ACM 663, holotype of Dyslocosaurus polyonychius in the Beneski Museum of Natural History.

Holotype dorsal vertebra of Nopcsasopondylus.

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.

Reconstruction of the holotype material of Silutitan sinensis (IVPP V27874), a Cretaceous euhelopid sauropod from the Chinese Shengjinkou Formation, scaled after Euhelopus zdanskyi. Silhouette modified from "Euhelopus zdanskyi Skeletal" by Gunnar Bivens (CC BY 3.0) (https://www.deviantart.com/gunnarbivens/art/Euhelopus-zdanskyi-Skeletal-833724646)

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.

Vertebrae of the holotype specimen of Padillasaurus leivaensis.

Holotype (HMN MB.R.2455, Cervical vertebra) of Australodocus.

Skeletal reconstruction of Gannansaurus sinensis holotype GMNH F10001

Phosphatotitan khouribgaensis, holotype, MHNM.KHG.888; Sidi Chennane, Oulad Abdoun Basin, Khouribga Province, Morocco; Phosphates, lower Couche III, late Maastrichtian. Dorsal vertebra in (A) anterior view; and (B) lateral view. Abbreviations: acpl, anterior centroparapophyseal lamina; cen, centrum; con, condyle; lpl, lamina dividing pleurocoels; nec, neural canal; nsp, neural spine; pcdl, posterior centrodiapophyseal lamina; pcpl, posterior centroparapophyseal lamina; pl1, primary pleurocoel; pl2, secondary pleurocoel; prcdf, prezygocentrodiapophyseal fossa; pre, prezygapophyses; tp, transverse process.

Chadititan calvoi nearly complete right femur of MPCN-Pv 1038 in (A) anterior, (B) posterior, (F) proximal, and (G) distal views; distal end of right femur of holotype MPCN-Pv 1034 in (C) anterior, (D) posterior, (E) distal, (H) lateral, and (I) medial views; proximal end of right femur of MPCN-Pv 1035, in (J) proximal, (K), posterior, (L) anterior, and (M) lateral views. Abbreviations: eg, extensor groove; tfc, tibiofibular crest condyle; fg, femoral groove; fh, femoral head; lc, lateral condyle; mc, medial condyle; mt, major trochanter. Scale bar = A-I, 20 cm; J-L, 10 cm.

Skeletal reconstruction of the Sauropod dinosaur Abdarainurus barsboldi based on holotype PIN 5669/1, as figured in Averianov and Lopatin, 2020. Outline is based on related Sauropods, modified from SlvrHwk.