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Fig. 7 in Ordosemys (Testudines: Cryptodira) from the Yixian Formation of Liaoning Province, Northeastern China: New Specimens and Systematic Revision

Fig. 7. Ordosemys liaoxiensis (Ji, 1995), GM V3002, Yixian Formation, Liaoning, China. Shell in dorsal view. Scale bar = 50 mm.

Fig. 4 in Ordosemys (Testudines: Cryptodira) from the Yixian Formation of Liaoning Province, Northeastern China: New Specimens and Systematic Revision

Fig. 4. Ordosemys liaoxiensis (Ji, 1995), GM V30004, Yixian Formation, Liaoning, China. Skull in dorsal (A), ventral (B) and right lateral (C) views. Key for figure 3.

Fig. 6 in Ordosemys (Testudines: Cryptodira) from the Yixian Formation of Liaoning Province, Northeastern China: New Specimens and Systematic Revision

Fig. 6. Ordosemys liaoxiensis (Ji, 1995), GM V30001 and GM V30002, Yixian Formation, Liaoning, China. Shell in dorsal (A) and ventral (B) views. Key for figure 5.

Fig. 3 in Ordosemys (Testudines: Cryptodira) from the Yixian Formation of Liaoning Province, Northeastern China: New Specimens and Systematic Revision

Fig. 3. Ordosemys liaoxiensis (Ji, 1995), GM V30004, Yixian Formation, Liaoning, China. Skull in dorsal (A), ventral (B) and right lateral (C) views. Scale bar = 50 mm.

Fig. 1 in Ordosemys (Testudines: Cryptodira) from the Yixian Formation of Liaoning Province, Northeastern China: New Specimens and Systematic Revision

Fig. 1. Ordosemys liaoxiensis (Ji, 1995), GM V3001, Yixian Formation, Liaoning, China. Skeleton in ventral view. Scale bar = 50 mm.

Fig. 8 in Ordosemys (Testudines: Cryptodira) from the Yixian Formation of Liaoning Province, Northeastern China: New Specimens and Systematic Revision

Fig. 8. Ordosemys liaoxiensis (Ji, 1995), GM V3001, Yixian Formation, Liaoning, China. Detail of tail. Scale bar = 50 mm.

Fig. 5 in Ordosemys (Testudines: Cryptodira) from the Yixian Formation of Liaoning Province, Northeastern China: New Specimens and Systematic Revision

Fig. 5. Ordosemys liaoxiensis (Ji, 1995), GM V30001 and GM V30002, Yixian Formation, Liaoning, China. Shell in dorsal (A) and ventral (B) views. Scale bar = 50 mm.

Fig. 2 in Ordosemys (Testudines: Cryptodira) from the Yixian Formation of Liaoning Province, Northeastern China: New Specimens and Systematic Revision

Fig. 2. Ordosemys liaoxiensis (Ji, 1995), GM V3001, Yixian Formation, Liaoning, China. Skull in ventral view. Scale bar = 50 mm.

Figure 7 in Electrophoretic delineation of species boundaries within the genus Chelodina (Testudines: Chelidae) of Australia, New Guinea and Indonesia

Figure 7. The phylogeny most strongly supported by our electrophoretic data. Note that C. reimanni and C. novaeguineae could not be separated electrophoretically, but we retain them as separate on the basis of morphological evidence (Philippen & Grossman, 1990; Rhodin, 1994a). The symbols + show the progressive development of robusticity in both the skull and triturating surfaces.

Figure 6 in Electrophoretic delineation of species boundaries within the genus Chelodina (Testudines: Chelidae) of Australia, New Guinea and Indonesia

Figure 6. The best-supported phylogeny for the Chelodina prior to the present electrophoretic study (Burbidge et al., 1974; Rhodin & Mittermeier, 1976; Georges & Adams, 1992; Rhodin, 1994a,b). The root was chosen on the basis of evidence presented by Georges & Adams (1992), Seddon et al. (1997) and Georges et al. (1998). This phylogeny serves as the working hypotheses against which to compare our data. Only those taxa we regard to be species are included.

Figure 2 in Electrophoretic delineation of species boundaries within the genus Chelodina (Testudines: Chelidae) of Australia, New Guinea and Indonesia

Figure 2. Principal co-ordinates analysis applied to a matrix of Roger's D genetic distances between all individuals of Chelodina expansa. The plot shows a degree of differentiation between coastal Queensland forms (Albert River in the south to Fitzroy–Dawson River in the north, including Fraser Island) (O) and those of the Murray-Darling system (•), but these differences have not moved to fixation at any locus (45 loci).

Figure 3 in Electrophoretic delineation of species boundaries within the genus Chelodina (Testudines: Chelidae) of Australia, New Guinea and Indonesia

Figure 3. Principal co-ordinates analysis applied to a matrix of Roger's D genetic distances between all individuals of Chelodina rugosa (Queensland form) (O), C. rugosa (Northern Territory form) (Z), C. siebenrocki (•), Chelodina burrungandjii (O) and an undescribed form from the Kimberley plateau of Western Australia (Ɨ). A hybrid between Chelodina burrungandjii and C. rugosa (Northern Territory form) is included (). Three groups are evident. Chelodina burrungandjii and the undescribed form from the Kimberley plateau are undifferentiated and probably represent a single taxon. Chelodina seibenrocki and the Queensland form of C. rugosa are undifferentiated, and also probably represent a single taxon. The Northern Territory form of C. rugosa represents the third group. These three groups differ each by only one fixed difference.

Figure 6 in Phylogenetic relationships and biogeographical history of the genus Rhinoclemmys Fitzinger, 1835 and the monophyly of the turtle family Geoemydidae (Testudines: Testudinoidea)

Figure 6. Time calibration using the program BEAST. The error bar on each node represents the 95% confidence interval calculated by the program. The column on the right shows the time slice of Isthmian closure (3.5–2.5 Mya; Coates & Obando, 1996). Pli + Ple: Pliocene + Pleistocene.

Figure 4 in Phylogenetic relationships and biogeographical history of the genus Rhinoclemmys Fitzinger, 1835 and the monophyly of the turtle family Geoemydidae (Testudines: Testudinoidea)

Figure 4. Strict consensus of three most parsimonious trees produced from 3373 aligned characters (TL = 3337; CI = 0.43; RI = 0.59) using maximum parsimony. Of these, 2315 are constant characters and 798 are potentially parsimony-informative. Numbers above and below branches are bootstrap (> 50%) and Bremer values, respectively.

Figure 3. A, the single most parsimonious tree derived from 2129 in Phylogenetic relationships and biogeographical history of the genus Rhinoclemmys Fitzinger, 1835 and the monophyly of the turtle family Geoemydidae (Testudines: Testudinoidea)

Figure 3. A, the single most parsimonious tree derived from 2129 aligned characters of mitochondrial genes (12S, 16S, cyt-b) (CI = 0.40; TL = 31; RI = 0.58) using maximum parsimony. Of these, 1229 characters are constant and 708 characters are parsimony-informative. Numbers above branches are bootstrap values and below are Bremer values. B, strict consensus of 96 trees generated from 1244 aligned characters of nuclear genes (Rag1 and Cmos) (CI = 0.82; TL = 205; RI = 0.84) using maximum parsimony. Of these, 1086 characters are constant and 90 are parsimonyinformative. Numbers above branches are bootstrap values and below are Bremer values.

Figure 2 in Phylogenetic relationships and biogeographical history of the genus Rhinoclemmys Fitzinger, 1835 and the monophyly of the turtle family Geoemydidae (Testudines: Testudinoidea)

Figure 2. Previous hypotheses regarding the position of Rhinoclemmys among geoemydids (upper cladograms) and the relationships among the species of the genus (lower cladograms). †Fossil taxon.

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Figure 2 in A gigantic bizarre marine turtle (Testudines: Chelonioidea) from the Middle Campanian (Late Cretaceous) of South-western Europe

Figure 2. Shellandpelvicgirdleelementsof Leviathanochelysaenigmatica gen. etsp. nov. (a) Dorsalviewof MCD9884 with the elements disposed as they were discovered, remarking in white the preserved carapace portion (MCD9884a). (b) Visceral view of the carapacewith asuperimposed interpretation of the shell elements. (c) Dorsal view of the preserved pelvic girdle without the carapace, and (d) ventral view of the same element with the carapace. Asterisk marks indicate the location of the autapomorphic accessory pubic process. Details of the accessory pubic process in (e) dorsal and (f) ventral view. (g) Close up view of the posteromedial part of the pubes, in ventral (upper picture) and posterior view (lower picture), preserving part of the thyroid fossae separated by a thick bone structure (black arrow). (h) Ventral view of the left acetabulum, illustrating the limits between the pelvic bones. (i) Detail of the outer ornamented surfaceof the ilium. (j) Histological section of the costal 8 (MCD9884.1), showing acancellous bone zone between the highly vascularized internal and external cortices. Abbreviations: (ac) Acetabulum; (app) Accessory Pubic Process; (cb) cancellous bone; (co) costal plate; (eco) External Cortex; (ico) Internal Cortex; (il) Ilium; (ils) ilium insertion scar; (isc) Ischium; (il) Ilium; (ne) neural plate; (pb) Pubis; (pbb) pubic bridge; (tf) Thyroid fossa.

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Figure 1 in A gigantic bizarre marine turtle (Testudines: Chelonioidea) from the Middle Campanian (Late Cretaceous) of South-western Europe

Figure 1. GeographicandgeologicalsituationofCalTorrades. TheCalTorradesfossillocalitylocation, respect: (a) the Iberian Peninsula; and (b) the Eastern Pyrenees. (c) Simplified geological map including the locality (white star). (d) Field capture of Cal Torrades outcrop, marking with the star the location of the fossil remains: (e) pelvis; and (f) ilium. (g) Locality stratigraphic column with the geological materials and fossil remains. Modified from Costantinoand Angelini26,Vidal27 and free access digital mapsof the Institut de Cartografia i Geologia de Catalunya (ICGC; http://www.icc.cat/vissir3/).

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Figure 3 in A gigantic bizarre marine turtle (Testudines: Chelonioidea) from the Middle Campanian (Late Cretaceous) of South-western Europe

Figure 3. Phylogeneticrelationshipof Leviathanochelysaenigmatica gen. etsp. nov. Simplifiedphylogenetic hypothesis of the relationship of Leviathanochelysaenigmatica within Pan-Chelonioidea based of 20 MPT with 1647 steps according to the Strict Consensus topology. Number under main branching nodes correlate with Bremer support values. Taxa are illustrated according to their time-range occurrence, but not to the timedivergence of the nodes which are tentatively placed according to fossil record evidences.