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FIGURE 1 in Lizards in pinstripes: morphological and genomic evidence for two new species of scincid lizards within Ctenotus piankai Storr and C. duricola Storr (Reptilia: Scincidae) in the Australian arid zone

FIGURE 1. Photographs in life of Ctenotus piankai senso lato individuals. A) Yamarna, WA (photo: M. Peterson); B) Birksgate Range, SA (SAMA R45385; photo: M. Hutchinson); C) Mornington Station, WA (photo: S.L. Macdonald); D) Tanami Desert, WA (photo: G. Harold).

FIGURE 2 in Lizards in pinstripes: morphological and genomic evidence for two new species of scincid lizards within Ctenotus piankai Storr and C. duricola Storr (Reptilia: Scincidae) in the Australian arid zone

FIGURE 2. Photographs in life of Ctenotus duricola senso lato individuals. A) eastern form (clean morphology)—Skull Springs, eastern Pilbara, WA (WAM R175335; photo: R.J. Ellis); B) eastern form—Gillam Siding, Abydos, WA (photo: B. Maryan); C) western form (spotted morphology)—Juna Downs, Hamersley Range, WA (photo: B. Maryan); D) western form—near Pannawonica, Hamersley Range, WA (photo: G. Harold).

FIGURE 4 in Lizards in pinstripes: morphological and genomic evidence for two new species of scincid lizards within Ctenotus piankai Storr and C. duricola Storr (Reptilia: Scincidae) in the Australian arid zone

FIGURE 4. (A) Geographic distribution of morphological forms within the nominate species 'C. piankai' (blue triangles, gray circles) and 'C. duricola' (red circles, yellow triangles). Relative to C. piankai from the interior deserts (blue triangles), northern populations from the Kimberley, Ord, Victoria River and northern Tanami desert (gray circles) are characterized by darker ground coloration, more midbody scale rows, and dorsal stripes that extend anteriorly onto the parietal scales (Figs. 1, 3). (B) Distribution of 'clean' (red circles) and 'spotted' (yellow triangles) morphological forms within 'C. duricola' in the Pilbara region of Western Australia. The 'clean' morphology (Figs. 2A, B; Fig. 3C) is largely restricted to the eastern Pilbara, although several individuals from the westernmost edge of the range of C. duricola (North West Cape and Barrow Island) were observed to have this morphology. Several geographic features of north-western Australia discussed in the text are labeled in Fig. 4B: NWC, North West Cape peninsula; D, De Grey River; F: Fortescue River Basin, AR, Ashburton River.

FIGURE 3 in Lizards in pinstripes: morphological and genomic evidence for two new species of scincid lizards within Ctenotus piankai Storr and C. duricola Storr (Reptilia: Scincidae) in the Australian arid zone

FIGURE 3. Lateral-dorsal perspective of the forebodies of Ctenotus. From top to bottom: A) C. piankai (WAM R108934), B) C. rhabdotus sp. nov. (WAM R110581), C) C. duricola (WAM R111876), and D) C. pallasotus sp. nov. (WAM R119931). Scale bar is 10 mm.

FIGURE 10 in Lizards in pinstripes: morphological and genomic evidence for two new species of scincid lizards within Ctenotus piankai Storr and C. duricola Storr (Reptilia: Scincidae) in the Australian arid zone

FIGURE 10. (A) Maximum likelihood (ML) phylogeny of genome-wide RAD sequence data from C. duricola, C. piankai, C. rhabdotus sp. nov., and C. pallasotus sp. nov. Clades are labeled by their ultimate taxonomic designation. Black circles on individual nodes denote strong bootstrap support (bootstrap proportion> 0.99). Three individuals labeled with "+++" carry a discordant mtDNA genome and suggest limited introgression between C. pallasotus sp. nov. and C. duricola. Individual WAMR110668 (C. pallasotus) is from the North West Cape is phenotypically more similar to C. duricola from the eastern Pilbara (see "NWC", Fig. 4B). (B) Principal coordinates analysis (PCoA) of RAD genotypes for 30 individuals from all four major clades; symbols correspond to individuals in the phylogeny shown in (A). (C) Secondary PCoA on reduced set of 28 individuals after removing the highly divergent C. rhabdotus sp. nov. sequences.

FIGURE 8 in Lizards in pinstripes: morphological and genomic evidence for two new species of scincid lizards within Ctenotus piankai Storr and C. duricola Storr (Reptilia: Scincidae) in the Australian arid zone

FIGURE 8. Variation in Ctenotus pallasotus sp. nov. (paratypes) (all specimens from WAM). Scale bar is 10 mm.

Figure 1 in Basking behaviour in two sympatric herbivorous lizards (Liolaemidae: Phymaturus) from the Payunia volcanic region of Argentina

Figure 1. Mosaic plot showing frequency of records of Phymaturus payuniae (Pp) and Phymaturus roigorum (Pr) for each category of basking periods (short, middle, long and very long), at different rock temperature thresholds. In the graph, the area of tiles is proportional to the cell frequency, and values of Pearson's standardized residuals are printed in the plot to assess differences among categories (see text for a more detailed procedure). Dark grey indicates categories that show significantly higher or lower than expected frequencies according to the adjusted rejection level.

Figure 2 in Basking behaviour in two sympatric herbivorous lizards (Liolaemidae: Phymaturus) from the Payunia volcanic region of Argentina

Figure 2. Frequency of postures exhibited by Phymaturus payuniae (A) and Phymaturus roigorum (B) during different light exposures. Black bars represent head-up postures and grey bars represent prostrate postures.

FIGURE 6 in A new species of lizard genus Potamites from Ecuador (Squamata, Gymnophthalmidae)

FIGURE 6. Morphological variation in female specimens of the type-series of Potamites flavogularis sp. nov.: (A) DHMECN 10054; (B) DHMECN 10050; (C) DHMECN 10056; (D) DHMECN 10055; (E) DHMECN 10051. Scale bar = 2 cm.

FIGURE 7 in A new species of lizard genus Potamites from Ecuador (Squamata, Gymnophthalmidae)

FIGURE 7. Records of Potamites flavogularis sp. nov. in Ecuador. The numbers in map correspond to: 1—Reserva Biológica Narupa (Type locality); 2—Reserva Río Zuñac; 3—Río Negro.

FIGURE 1 in A new species of lizard genus Potamites from Ecuador (Squamata, Gymnophthalmidae)

FIGURE 1. Dorsal (A), ventral (B) and lateral (C) views of the head of the holotype of Potamites flavogularis sp. nov. (DHMECN 4581).

FIGURE 5 in A new species of lizard genus Potamites from Ecuador (Squamata, Gymnophthalmidae)

FIGURE 5. Morphological variation in male specimens of the type-series of Potamites flavogularis sp. nov.: (A) DHMECN 4583; (B) DHMECN 4581 (holotype); (C) DHMECN 10052. Scale bar = 2 cm.

FIGURE 2 in A new species of lizard genus Potamites from Ecuador (Squamata, Gymnophthalmidae)

FIGURE 2. Sulcate and asulcate views of the right hemipenis of the (A) holotype of Potamites flavogularis sp. nov. (DHMECN 4581) and of the left (B) hemipenis of Potamites cochranae (DHMECN 4585). The white arrows indicates the distinct conditions of the basal flounces of the hemipenial body, diagnostic for the new species.

FIGURE 2 in A lost species or the loss of stripes? The case of Contomastix lizards from Cabo Polonio, Uruguay, with observations on C. lacertoides (Duméril & Bibron) and Cnemidophorus grandensis Cope (Squamata, Teiidae)

FIGURE 2. Uruguayan specimens of Contomastix lacertoides. On top, unvouchered adult male photographed while basking at La Palma, Rivera (orange color corresponds to parasitic mites); inset: detail of sexual color dimorphism in a male from Quebrada de los Cuervos, Treinta y Tres (MNHN 9460). Bottom, adult female from Quebrada de los Cuervos, (MNHN 9461, total length 196 mm).

FIGURE 8 in A lost species or the loss of stripes? The case of Contomastix lizards from Cabo Polonio, Uruguay, with observations on C. lacertoides (Duméril & Bibron) and Cnemidophorus grandensis Cope (Squamata, Teiidae)

FIGURE 8. On top, hyoid apparatus of Contomastix charrua ZVC-R 1266, paratype. Bottom, hyoid apparatus of topotypic C. lacertoides ZVC-R 1856. A and C are schematic representations as depicted by Cabrera and Carreira (2009); B and D are the corresponding hyoid preparations of Cabrera and Carreira (2009), photographed under a stereoscopic microscope (photos by CB). Notice in B the apparently fairly degraded right spicula of the second pair of ceratobranchials (arrow). Scale bars equals 5 mm.

FIGURE 1 in A lost species or the loss of stripes? The case of Contomastix lizards from Cabo Polonio, Uruguay, with observations on C. lacertoides (Duméril & Bibron) and Cnemidophorus grandensis Cope (Squamata, Teiidae)

FIGURE 1. Geographic distribution of Contomastix species from Argentina, Brazil and Uruguay, according to present study and published reports (Koslowsky 1898; Gudynas 1985; Cei & Martori 1991; Cei & Scrocchi 1991; Cei 1993; Federico 2000; Feltrim & Lema 2000; Pérez & Grassini 2001; Vrcibradic et al. 2004; Arias & Lobo 2005; Stahnke et al. 2006; Rholing et al. 2009; Caruccio et al. 2010; Cabrera et al. 2012). Closed circles, C. lacertoides (white circle, type locality Montevideo); open circle, C. charrua (type locality, Cabo Polonio); squares, C. leachei (white square, type locality, San Lorenzo); triangles, C. serrana (white triangle, type locality, Icho Cruz); pentagons, C. vacariensis (white pentagon, type locality, Vacaria). Abbreviations: BA, Buenos Aires Province; CB, Córdoba Province; ER, Entre Ríos Province; JU, Jujuy Province; RS, Rio Grande do Sul state; SA, Salta Province; SC, Santa Catarina state; SE, Santiago del Estero Province.

FIGURE 7 in A lost species or the loss of stripes? The case of Contomastix lizards from Cabo Polonio, Uruguay, with observations on C. lacertoides (Duméril & Bibron) and Cnemidophorus grandensis Cope (Squamata, Teiidae)

FIGURE 7. Left, ventral view of the head of a cleared and stained specimen of Contomastix lacertoides, MNHN 9462 (scale bar equals 5 mm). Right, X-ray image of the head of the holotype of Cnemidophorus grandensis ANSP 9593 in ventral view. Abbreviations: BH, basihyoid; CBI, first pair of ceratobranchials; CBII, second pair of ceratobranchials; EB, entoglossal bone; EH, epihyal; MA, mandible; PL, processus lingualis; TO, tongue; TR, trachea.

FIGURE 4 in A lost species or the loss of stripes? The case of Contomastix lizards from Cabo Polonio, Uruguay, with observations on C. lacertoides (Duméril & Bibron) and Cnemidophorus grandensis Cope (Squamata, Teiidae)

FIGURE 4. Ventral view of the head of adult Contomastix lizards (fixed specimens otherwise indicated). On top, C. lacertoides: A MCP 14453, B MCP 17758 (São Jerônimo, Rio Grande do Sul, Brazil); C MNHN 3189, D MNHN 3187 (Tambores, Tacuarembó). Middle, C. lacertoides from southeastern Uruguay: E MNHN 3185, F MNHN 5770 (Sierra de las Ánimas, Maldonado); G MNHN 9463 (in life), H MNHN 9464 (in life), (Quebrada de los Cuervos, Treinta y Tres). Bottom, C. lacertoides from southeastern Uruguay: I MNHN 3192 (Km 128, National Route #8, Lavalleja); C. charrua, J MNHN 3422 (paratype), K MNHN 3423, holotype (Cabo Polonio, Rocha); Cnemidophorus grandensis, L ANSP 9593, holotype (Rio Grande do Sul, Brazil).

FIGURE 3 in A lost species or the loss of stripes? The case of Contomastix lizards from Cabo Polonio, Uruguay, with observations on C. lacertoides (Duméril & Bibron) and Cnemidophorus grandensis Cope (Squamata, Teiidae)

FIGURE 3. Dorsal pattern of coloration in Contomastix lizards from Uruguay. On top, from left to right: C. lacertoides MNHN 5774, 5777 (Las Piedras, Artigas), MNHN 3196 (Pozo Hondo, Tacuarembó), MNHN 3190 (Tambores, Tacuarembó). Middle, from left to right: C. lacertoides MNHN 5767 (Aiguá, Lavalleja), MNHN 6222 (Route 8, km 162, Lavalleja), MNHN 5766, 5770 (Sierra de las Ánimas, Maldonado). Bottom, from left to right: C. lacertoides MNHN 3185 (Sierra de las Ánimas, Maldonado); C. charrua MNHN 3422, 3424, paratypes and MNHN 3423, holotype (Cabo Polonio, Rocha).

FIGURE 5 in A lost species or the loss of stripes? The case of Contomastix lizards from Cabo Polonio, Uruguay, with observations on C. lacertoides (Duméril & Bibron) and Cnemidophorus grandensis Cope (Squamata, Teiidae)

FIGURE 5. Paired dorsal and lateral views of the heads of: A Contomastix lacertoides (Quebrada de los Cuervos, Uruguay) MNHN 9464; B C. charrua MNHN 3424, paratype (Cabo Polonio, Uruguay); C Cnemidophorus grandensis ANSP 9593 (Rio Grande do Sul, Brazil).