Find research datasets worth reusing

opencc-by-4.0Dec 2020View details →

Figure 1 in Two new spider families from Late Cretaceous Kachin amber (Arachnida: Araneae)

Figure 1. Piece of amber IZCAS-Ar41629Fo with inclusion of Pilosarachne ju Jiang & Li, gen. & sp. nov., holotype male. A. Lateral view. B. Dorsal view. Scale bars = 10.0 mm.

FIG. 8. Mongolemys elegans, additional material. IGM 90 in New material of Mongolemys elegans Khosatzky and Mlynarski, 1971 (Testudines: Lindholmemydidae), from the Late Cretaceous of Mongolia with comments on bone histology and phylogeny

FIG. 8. Mongolemys elegans, additional material. IGM 90/30, small articulated shell: A–B, dorsal view; C–D, ventral view. IGM 90/22–23, one juvenile and one hatchling associated shells: E–F, dorsal view. IGM 90/31, nearly complete plastron of a juvenile: G–H, ventral view. IGM 90/51, complete carapace and caudal vertebrae series: I–J, ventral view. IGM 90/54, partial carapace showing the complete series of thoracic vertebrae: K–L, ventral view. IGM 90/41, complete right hyoplastron from a juvenile specimen: M, ventral view; N, dorsal view. Abbreviations: abs, axillary buttress scar; brg, bridge; cav, caudal vertebra. (See fig. 4 for remaining abbreviations).

FIG. 10 in New material of Mongolemys elegans Khosatzky and Mlynarski, 1971 (Testudines: Lindholmemydidae), from the Late Cretaceous of Mongolia with comments on bone histology and phylogeny

FIG. 10. Phylogenetic hypotheses for the relationship of Mongolemys elegans among cryptodires. A, strict consensus tree including all characters and taxa as in appendix 1. Taxa outside of Cryptodira were excluded for the purpose of this figure. Tree length (TL): 449, Consistency index (CI): 0.434, Retention index (RI): 0.802, Rescaled index (RC): 0.384. B, strict consensus after excluding all lindholmemydids except Mongolemys elegans and the three fossil testudinoids (Palaeoemys hessiaca, Achilemys cassouleti and Pseudochrysemy gobiensis). TL = 447, CI = 0.480, RI = 0.798, and RC = 0.382. Bootstrap values from 1000 heuristic search replicates (left) and Bremer support values (right) are provided above or below the branches they pertain too.

FIG. 4. Mongolemys elegans IGM 90 in New material of Mongolemys elegans Khosatzky and Mlynarski, 1971 (Testudines: Lindholmemydidae), from the Late Cretaceous of Mongolia with comments on bone histology and phylogeny

FIG. 4. Mongolemys elegans IGM 90/55, partially preserved skull. A–B, ventral view; C–D, dorsal view. Abbreviations in addition to those in figures 2 and 3: fbs, foramen caroticum basiphenoidale.

FIG. 6. Mongolemys elegans paratype IGM 90 in New material of Mongolemys elegans Khosatzky and Mlynarski, 1971 (Testudines: Lindholmemydidae), from the Late Cretaceous of Mongolia with comments on bone histology and phylogeny

FIG. 6. Mongolemys elegans paratype IGM 90/11, long bones. Left femur: A, ventral view; B, posterior. Right humerus: C, ventral view; D, dorsal view. Left tibia: E, dorsal view; F, ventral view. Left fibula: G, dorsal view; H, ventral view.

FIG. 2. Mongolemys elegans paratype IGM 90 in New material of Mongolemys elegans Khosatzky and Mlynarski, 1971 (Testudines: Lindholmemydidae), from the Late Cretaceous of Mongolia with comments on bone histology and phylogeny

FIG. 2. Mongolemys elegans paratype IGM 90/11, skull (cranium and lower jaw): A–B, dorsal view; C–D, ventrolateral view, removing the left ramus; E–F, ventral view, with the left ramus in place; G–H, lateral view; I–J, medial view of the left ramus and quadrate. Abbreviations: an, angular; ar, articular; bs, basisphenoid; cor, coronoid; den, dentary; fpc, foramen posterius canalis carotici; fr, frontal; fst, foramen stapedius temporalis; ju, jugal; mx, maxilla; pa, parietal; pf, prefrontal; pmx, premaxilla; po, postorbital; ppe, processus pterygoideus externus; pra, prearticular; pt, pterygoid; qu, quadrate; sa, surangular; scm, sulcus cartilaginous meckelii.

FIG. 9 in New material of Mongolemys elegans Khosatzky and Mlynarski, 1971 (Testudines: Lindholmemydidae), from the Late Cretaceous of Mongolia with comments on bone histology and phylogeny

FIG. 9. Mongolemys elegans, bone macrostructure and microstructure. Photographs of thin sections, all were taken in transmitted light, 40x otherwise is indicated. IGM 90/42, hatchling-juvenile specimen. A, external cortex and part of the cancellous bone of a costal; B–C, internal cortex and part of the cancellous bone of a costal; D, internal cortex and part of the cancellous bone of the hypoplastron; E, cancellous bone of the hypoplastron; F, external cortex of the hypoplastron. IGM 90/12, adult specimen. G, general view of the costal, showing the external, internal, and cancellous bone layers, photograph take in transmitted light, 10x. H, internal cortex of a costal; I, cancellous bone of a costal; J, external cortex of a costal. K–L, osteocytes in the cancellous bone, both taken in transmitted light, 63x oil lens. Abbreviations: cb, cancellous bone; ec, external cortex; ic, internal cortex; os, osteocyte; po, primary osteon; rb, reticular bone; sf, Sharpey's fiber; so, secondary osteon.

FIG. 5. Mongolemys elegans paratype IGM 90 in New material of Mongolemys elegans Khosatzky and Mlynarski, 1971 (Testudines: Lindholmemydidae), from the Late Cretaceous of Mongolia with comments on bone histology and phylogeny

FIG. 5. Mongolemys elegans paratype IGM 90/11, articulated shell (carapace and plastron): A–B, carapace, dorsal view; C–D, carapace, ventral view; E–F, plastron, ventral view; G–H, plastron, dorsal view. Abbreviations: abd, abdominal scale; anl, anal scale; axb, axillary buttress; c, costal; ce, cervical scale; en, entoplastron; ep, epiplastron; fem, femoral scale; gul, gular scale; hum, humeral scale, hyo, hyoplastron; hyp, hypoplastron; if, inframarginal scale; ing, inguinal buttress; isc, ischium; lpp, anal scale m, marginal scale; n, neural; p, peripheral; pl, pleural scale; pub, pubis; py, pygal scale; s, suprapygal scale, v, vertebral scale; xip, xiphiplastron. Missing portions of bone in black, scales in dotted lines. Labels in bold indicate scales.

FIG. 3. Mongolemys elegans paratype IGM 90 in New material of Mongolemys elegans Khosatzky and Mlynarski, 1971 (Testudines: Lindholmemydidae), from the Late Cretaceous of Mongolia with comments on bone histology and phylogeny

FIG. 3. Mongolemys elegans paratype IGM 90/11, isolated left otic chamber-quadrate: A–B, anterior view; C–D, medial view; E–F, posterior view. Abbreviations: ex, exoccipital; faf, fossa acustico-facialis; fnt, foramen nervi trigemini; ha, hiatus acusticus; op, opisthotic; pr, prootic; qu, quadrate; sa, surangular; scm, sulcus cartilaginous meckelii; so, supraoccipital; sq, squamosal.

FIG. 1 in New material of Mongolemys elegans Khosatzky and Mlynarski, 1971 (Testudines: Lindholmemydidae), from the Late Cretaceous of Mongolia with comments on bone histology and phylogeny

FIG. 1. Location of Mongolia in Asia, and the Bugin Tsav locality inside of Mongolia. (World template figure downloaded from Paleobiology Database on April 23 2011.)

FIGURE 19 in Anatomy and Relationships of Gilmoreosaurus mongoliensis (Dinosauria: Hadrosauroidea) from the Late Cretaceous of Central Asia

FIGURE 19. Strict consensus cladogram of the nine most parsimonious trees resulting from maximum parsimony analysis of 41 hadrosauroid species, showing the phylogenetic position of Gilmoreosaurus mongoliensis.

FIGURE 15 in Anatomy and Relationships of Gilmoreosaurus mongoliensis (Dinosauria: Hadrosauroidea) from the Late Cretaceous of Central Asia

FIGURE 15. Right femur of Gilmoreosaurus mongoliensis (AMNH FARB 30741). A, anterior; B, medial; C, posterior; D, lateral. Abbreviations in appendix 2.

FIGURE 17 in Anatomy and Relationships of Gilmoreosaurus mongoliensis (Dinosauria: Hadrosauroidea) from the Late Cretaceous of Central Asia

FIGURE 17. Hind-limb elements of Gilmoreosaurus mongoliensis. A–B, left fibula (AMNH FARB 30748) in lateral and medial views. C–D, left metatarsal III (AMNH FARB 30754) in dorsal and medial views. E–F, right metatarsal IV (AMNH FARB 30756) in dorsal and medial views. G–H, right astragalus (AMNH FARB 30752) in dorsal and anterior views. I–K, right calcaneum (AMNH FARB 30753) in medial, lateral, and dorsal views. Abbreviations in appendix 2.

FIGURE 12 in Anatomy and Relationships of Gilmoreosaurus mongoliensis (Dinosauria: Hadrosauroidea) from the Late Cretaceous of Central Asia

FIGURE 12. Forelimb elements of Gilmoreosaurus mongoliensis. A–B, right humerus (AMNH FARB 30728) in posterolateral and anteromedial views. C–D, left radius (AMNH FARB 30729) in lateral and dorsal views. E–F, left ulna (AMNH FARB 30729) in lateral and dorsal views. G, left metacarpal IV (AMNH FARB 30730) in dorsal view, with its proximal articular surface shown below. H, right manual phalanx II-1 (AMNH FARB 30732) in dorsal view, with its proximal articular surface shown below. I, right manual phalanx III-1 (AMNH FARB 30733) in dorsal view, with its distal articular surface shown below. Abbreviations in appendix 2.

FIGURE 13 in Anatomy and Relationships of Gilmoreosaurus mongoliensis (Dinosauria: Hadrosauroidea) from the Late Cretaceous of Central Asia

FIGURE 13. Selected pelvic elements of Gilmoreosaurus mongoliensis. A–C, right ilium (lectotype, AMNH FARB 30735) in dorsal, lateral, and ventral views. D–E, right ilium (AMNH FARB 30736) in lateral and medial views. Abbreviations in appendix 2.

FIGURE 10 in Anatomy and Relationships of Gilmoreosaurus mongoliensis (Dinosauria: Hadrosauroidea) from the Late Cretaceous of Central Asia

FIGURE 10. Selected axial elements of Gilmoreosaurus mongoliensis. A–C, partial sacrum (AMNH FARB 30688) in left lateral, posterior, and ventral views, respectively. D, neural arches and neuroapophyses of partial sacrum (AMNH FARB 30686) in left lateral view. E, coossified sacral centra (AMNH FARB 30687) in ventral view. F–G, caudal vertebra from proximal series (AMNH FARB 30689) in anterior and right lateral views. Abbreviations in appendix 2.

FIGURE 5 in Anatomy and Relationships of Gilmoreosaurus mongoliensis (Dinosauria: Hadrosauroidea) from the Late Cretaceous of Central Asia

FIGURE 5. Left quadrate of Gilmoreosaurus mongoliensis (AMNH FARB 30659). A, lateral; B, dorsal; C, anterior; D, medial; E, posterior; F, ventral. Abbreviations in appendix 2.

FIGURE 14 in Anatomy and Relationships of Gilmoreosaurus mongoliensis (Dinosauria: Hadrosauroidea) from the Late Cretaceous of Central Asia

FIGURE 14. Selected pelvic elements of Gilmoreosaurus mongoliensis. A, left ischium (AMNH FARB 30739) in lateral view, with articular surfaces of the iliac and pubic peduncles, and the distal process. B, right ischium (AMNH FARB 30740) in lateral view, with articular surfaces of the iliac peduncles and the distal process. C–D, right pubis (AMNH FARB 30738) in posterior and lateral views, respectively. Abbreviations in appendix 2.

FIGURE 8 in Anatomy and Relationships of Gilmoreosaurus mongoliensis (Dinosauria: Hadrosauroidea) from the Late Cretaceous of Central Asia

FIGURE 8. Dentition of Gilmoreosaurus mongoliensis. A, labial view of two tooth crowns from the middle of the dental battery of the right maxilla (AMNH FARB 30653) in figure 1. B–C, maxillary tooth crown (AMNH FARB 30662) in labial and marginal views. D–E, maxillary tooth crown (AMNH FARB 30663) in labial and marginal views, with F, a detail of marginal papillae. G–H, dentary tooth crown (AMNH FARB 30661) in lingual and marginal views.

FIGURE 11 in Anatomy and Relationships of Gilmoreosaurus mongoliensis (Dinosauria: Hadrosauroidea) from the Late Cretaceous of Central Asia

FIGURE 11. Pectoral girdle elements of Gilmoreosaurus mongoliensis. A–C, left lateral views of three coracoids (AMNH FARB 30722, 30723, and 30724). D–F, lateral views of left (AMNH FARB 30725), partial right (AMNH FARB 30726), and nearly complete right (AMNH FARB 30727) scapulae. Abbreviations in appendix 2.