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FIGURE 6 in Morphological and genetic variation in North Atlantic giant file clams, Acesta spp. (Bivalvia: Limidae), with description of a new cryptic species in the northwest Atlantic

FIGURE 6. Larval shells of Acesta cryptadelphe sp. nov. from the northwest Atlantic, viewed under high-magnification stereomicroscope. (A) The Gully, CMNML 097157.2, left valve (same as Fig. 16A). (B) Beothuk Knoll, CMNML 097162, left valve (same as Fig. 15B). Scales = 200 µm.

FIGURE 2 in Morphological and genetic variation in North Atlantic giant file clams, Acesta spp. (Bivalvia: Limidae), with description of a new cryptic species in the northwest Atlantic

FIGURE 2. (A, B, C) In-situ images of giant file clams, Acesta sp., from The Gully, located approximately 200 kilometres off Nova Scotia, to the east of Sable Island, on the edge of the Scotian Shelf. Specimens are assumed to be A. cryptadelphe sp. nov. The cup coral and glass sponge in (B) are Desmophyllum Ehrenberg and Asconema Kent, respectively. The crinoids and glass sponge in (C) are unidentified. (D) Close-up of A. cryptadelphe sp. nov. specimen CMNML 097158 freshly collected with the ROPOS ROV.

FIGURE 3 in Morphological and genetic variation in North Atlantic giant file clams, Acesta spp. (Bivalvia: Limidae), with description of a new cryptic species in the northwest Atlantic

FIGURE 3. External and internal views of the valve of six North Atlantic groups of Acesta. (A) A. excavata; ZMUC Trondheimsfjord, Norway, 09-1934, right valve. (B) A. excavata; The Azores, CMNML 042946, mirror image of left valve. (C) A. cryptadelphe sp. nov.; Bay d'Espoir, Newfoundland, CMNML 092957, right valve. (D) A. cryptadelphe sp. nov.; The Gully, northwest Atlantic Ocean, CMNML 097158, right valve. (E) A. bullisi; Gulf of Mexico, USNM 811251, mirror image of left valve. (F) A. oophaga; Gulf of Mexico, USNM 639047, mirror image of left valve. Scales = 5 cm.

FIGURE 4 in Morphological and genetic variation in North Atlantic giant file clams, Acesta spp. (Bivalvia: Limidae), with description of a new cryptic species in the northwest Atlantic

FIGURE 4. External and internal views of the valves of four species of Acesta from the South and West Pacific. (A) A. goliath; western North Pacific Ocean, AMNH 50989, right valve. (B) A. rathbuni; western South Pacific Ocean, AMNH 250590, right valve. (C) A. saginata; central South Pacific Ocean, USNM 890900, mirror image of left valve. (D) A. smithi; western North Pacific Ocean, AMNH 277142, right valve. Scales = 5 cm.

FIGURES 9 in Morphological and genetic variation in North Atlantic giant file clams, Acesta spp. (Bivalvia: Limidae), with description of a new cryptic species in the northwest Atlantic

FIGURES 9. Principal component analysis of Procrustes coordinates for all 152 Acesta specimens. (A) axis 1 vs. axis 2. (B) axis 1 vs. axis 3.

FIGURE 1 in Morphological and genetic variation in North Atlantic giant file clams, Acesta spp. (Bivalvia: Limidae), with description of a new cryptic species in the northwest Atlantic

FIGURE 1. Location of the sampling sites where giant file clams (Acesta) were collected and observed in the northwest Atlantic. Base map generated with GeoMapApp (http://www.geomapapp.org) (Ryan et al. 2009).

FIGURE 9 in Morphological and molecular variation in Tylototriton (Caudata: Salamandridae) in Laos, with description of a new species

FIGURE 9. (A) Dorsal views and (B) ventral views in preservative, left to right, of Tylototriton verrucosus topotype female (UTA 27558), T. podichthys sp. nov. holotype female (NCSM 77721), T. shanorum topotype female (CAS 230899), and T. shanjing topotype female (MVZ 219763). (C) Dorsal views of males in preservative, left to right, of T. anguliceps (NCSM 82953), T. anguliceps (NCSM 82952), T. podichthys sp. nov. (NCSM 77724), and T. podichthys sp. nov. (NCSM 82943). (D) Dorsolateral views in preservative of T. shanorum topotype female (CAS 230899) above, and T. podichthys sp. nov. holotype female (NCSM 77721) below.

FIGURE 7 in Morphological and molecular variation in Tylototriton (Caudata: Salamandridae) in Laos, with description of a new species

FIGURE 7. Dorsal and lateral views of heads of subgenus Tylototriton in preservative. (A–B) Tylototriton podichthys sp. nov. holotype female (NCSM 77721). (C–D) Tylototriton shanjing topotype female (MVZ 219763). (E–F) Tylototriton verrucosus topotype male (UMMZ 189648). (G–H) Tylototriton anguliceps male (NCSM 82953). (I–J) Tylototriton shanorum topotype female (CAS 230899).

FIGURE 6 in Morphological and molecular variation in Tylototriton (Caudata: Salamandridae) in Laos, with description of a new species

FIGURE 6. Tylototriton podichthys sp. nov.: (A) Dorsal view and (B) ventral view of holotype female (NCSM 77721) in life, (C) dorsal view of female paratype (NCSM 82939) in life, (D) dorsal view of eft (NUOL 00394) in situ, with two human finger tips for scale, (E) habitat at holotype locality in Nam Madao Village, Phoukhoun District, Luang Phabang Province, Laos, and (F) habitat at paratype locality in Yord Lieng Village, Kham District, Xieng Khouang Province, Laos.

FIGURE 4 in Morphological and molecular variation in Tylototriton (Caudata: Salamandridae) in Laos, with description of a new species

FIGURE 4. Tylototriton notialis: (A) Dorsal view and (B) ventral view of topotype female (NUOL 00443) at Phou Ak, Nakai Nam Theun National Protected Area, Boualapha District, Khammouan Province, Laos. Tylototriton anguliceps: (C) Dorsal view of female (NUOL 00419), (D) dorsal view of male (NUOL 00420), (E) ventral views of female above (NUOL 00419) and male below (NCSM 82953), (F) dorsal view of eft (NUOL 00448), (G) microhabitat at stream bank, and (H) macrohabitat at Nam Long Stream, Phou Ya Khao Village, Viengphoukha District, Laos, Luang Namtha Province, Laos.

FIGURE 2 in Morphological and molecular variation in Tylototriton (Caudata: Salamandridae) in Laos, with description of a new species

FIGURE 2. Principal component analysis of the genus Tylototriton showing two dimensional plots of the first principal component (PC 1) versus the second (PC 2). (A) males of the subgenus Tylototriton, (B) females of the subgenus Tylotriton, and (C) males of the subgenus Yaotriton.

FIGURE 1 in Morphological and molecular variation in Tylototriton (Caudata: Salamandridae) in Laos, with description of a new species

FIGURE 1. Fifty percent majority-rule consensus phylogram resulting from partitioned Bayesian analysis of 3,121 aligned characters of mitochondrial DNA (part of the 16S rRNA gene, the complete tRNA Leu, ND1, tRNA Ile, tRNA Gln, tRNA Met, ND2, tRNA Trp, tRNA Ala, tRNA Asn, tRNA Cys, and tRNA Tyr genes, and part of the COI gene) of Tylototriton and outgroups. Numbers at nodes are Bayesian posterior probabilities. Asterisks (*) indicate nodes with posterior probabilities ≥ 0.99. Numbers at branch tips refer to ID in Table 1.

FIGURE 5 in Morphological and molecular variation in Tylototriton (Caudata: Salamandridae) in Laos, with description of a new species

FIGURE 5. Tylototriton panhai: (A) Dorsal view of female (NUOL 00421), (B) dorsal view of male (NCSM 82954), (C) ventral view of female above (NUOL 00421) and male below (NUOL 00422), (D) eggs (NUOL 00452) in situ on sticks just above stream surface, (E) stream habitat at Houay Long Ya Stream, Borsan Village, Botene District, Xaignabouli Province, Laos, and (F) pond habitat at Phou Samrium Mountain, Borsan Village, Botene District, Xaignabouli Province, Laos.

FIGURE 3 in Morphological and molecular variation in Tylototriton (Caudata: Salamandridae) in Laos, with description of a new species

FIGURE 3. Geographic distributions of the four Tylototriton species known to occur in Laos: T. notialis (circle); T. anguliceps (asterisk); T. panhai (square); and T. podichthys sp. nov. (triangle).

FIGURE 8 in Morphological and molecular variation in Tylototriton (Caudata: Salamandridae) in Laos, with description of a new species

FIGURE 8. Dorsal and ventral views of subgenus Tylototriton in preservative. (A–B) Tylototriton podichthys sp. nov. holotype female (NCSM 77721). (C–D) Tylototriton shanjing topotype female (MVZ 219763). (E–F) Tylototriton verrucosus topotype male (UMMZ 189648). (G–H) Tylototriton anguliceps male (NCSM 82953). (I–J) Tylototriton shanorum topotype female (CAS 230899).

FIGURE 9 in Morphological variation in the Brazilian Radiated Swamp Turtle Acanthochelys radiolata (Mikan, 1820) (Testudines: Chelidae)

FIGURE 9. Coloration pattern and morphology of a juvenile of A. radiolata (MNRJ 7280). (A, B, C) dorsal, ventral and lateral view of head and neck, respectively; (D) carapace; (E) plastron; (F, G) hindlimb and forelimb. Note the size of the yellow blotch in the medial surface of each limb (arrow). Scale bar: 5 mm.

FIGURE 4 in Morphological variation in the Brazilian Radiated Swamp Turtle Acanthochelys radiolata (Mikan, 1820) (Testudines: Chelidae)

FIGURE 4. Variation in carapace coloration of A. radiolata—reddish dark brown coloration pattern. (A) Reddish dark brown with large orange radiating stripes and thin brown stripes over each scute (50%; MNRJ 7282). (B) Reddish dark brown with brown blotches over each scute (17.64%; MNRJ 1056). (C) Reddish dark brown with thin brown stripes and yellow margin on each scute (11.76%; MNRJ 2466). (D) Completely reddish dark brown, with no stripes (11.76%; MNRJ 3810). Scale bar: 10 mm.

FIGURE 3 in Morphological variation in the Brazilian Radiated Swamp Turtle Acanthochelys radiolata (Mikan, 1820) (Testudines: Chelidae)

FIGURE 3. Variation in dorsal and ventral coloration of the head and neck. (A) Yellowish brown with light yellow lines (present in 80% of the specimens; MNRJ 7282). (B) Yellowish brown with uniform coloration (20%; MNRJ 1050). (C) Cream to yellow, with few small dark blotches (46.67%; MNRJ 7282). (D) Creamish brown, completely uniform coloration (13.64%; MNRJ 1055). Scale bar: 5 mm.

FIGURE 8 in Morphological variation in the Brazilian Radiated Swamp Turtle Acanthochelys radiolata (Mikan, 1820) (Testudines: Chelidae)

FIGURE 8. Variation in the coloration pattern of the limbs of A. radiolata (MNRJ 3810). (A) Forelimb, lateral surface brown and scales of the same color with a yellow line at posterior rim (18.75%); (B) Hindlimb, ventral surface completely yellow with scales of the same color (45.45%). Scale bar: 10 mm.

FIGURE 1 in Morphological variation in the Brazilian Radiated Swamp Turtle Acanthochelys radiolata (Mikan, 1820) (Testudines: Chelidae)

FIGURE 1. Geographic distribution of Acanthochelys radiolata based on the sampled specimens and literature analyzed. Specimens are assigned to populations according to freshwater ecoregions (Abell et al. 2008).