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8 results for “Nanorana yunnanensis”
Data from: Genealogy and palaeodrainage basins in Yunnan Province: phylogeography of the Yunnan spiny frog, Nanorana yunnanensis (Dicroglossidae)
Historical drainage patterns adjacent to the Qinghai-Tibetan Plateau differed markedly from those of today. We examined the relationship between drainage history and geographic patterns of genetic variation in the Yunnan spiny frog, Nanorana yunnanensis, using approximately 981 base pairs of mitochondrial DNA (mtDNA) partial sequences from encoding genes ND1 and ND2, and intervening areas including complete tRNA Ile, tRNA Gln, and tRNA Met. Two null hypotheses were tested, including (1) that genetic patterns do not correspond to the development of drainage systems and (2) that populations had been stable and not experienced population expansion, bottlenecking and selection. Genealogical analyses identified three, major, well-supported maternal lineages, each of which had two sublineages. These divergent lineages were completely concordant with six geographical regions. Genetic structure and divergence were strongly congruent with historical rather than contemporary drainage patterns. Most lineages and sublineages were formed through population fragmentation events during the rearrangement of paleodrainage basins in the early Pliocene and early Pleistocene. Sympatric lineages occurred only in localities at the boundaries of major drainages, likely reflecting secondary contact of previously allopatric populations. Extensive population expansion probably occurred early in the Middle Pleistocene accompanying dramatic climatic oscillations.
FIGURE 5 in The identity of Nanorana yunnanensis (Anderson, 1879) from Thailand, with a description of its tadpole (Anura, Dicroglossidae)
FIGURE 5. Buccal cavity of N. yunnanensis tadpole (PT02799.2). (A) Buccal roof, (B) buccal floor, (C) prenarial arena protrusion, (D) narial valve projection, (E) lingual papillae, (F) buccal floor arena papillae. 1 = upper labium, 2 = prenarial arena protrusion, 3 = choanae, 4 = prenarial papillae, 5 = narial valve projection, 6 = median ridge, 7 = buccal roof arena, 8 = lower labium, 9 = infralabial papillae, 10 = lingual papillae, 11 = buccal floor arena papillae, 12 = filter rows.
FIGURE 4 in The identity of Nanorana yunnanensis (Anderson, 1879) from Thailand, with a description of its tadpole (Anura, Dicroglossidae)
FIGURE 4. External morphology of N. yunnanensis tadpole. (A–C) Specimen no. PT 02799.1 (Gosner stage 35) in lateral, dorsal, and ventral views; (D) specimen no. THNHM 25480 (Gosner stage 30); (E) oral disc of tadpole (specimen no. PT02799.2), (F) upper labial tooth row (specimen no. PT02799.2), (G) upper jaw sheath (specimen no. PT02799.2).
FIGURE 6 in The identity of Nanorana yunnanensis (Anderson, 1879) from Thailand, with a description of its tadpole (Anura, Dicroglossidae)
FIGURE 6. Distribution map and habitat of N. yunnanensis in Thailand. (A) Map showing current distribution of N. yunnanensis in Thailand. Red circle indicates locality where this species is found in Thailand. Map was generated using SimpleMappr (www. simplemappr.net). (B) Habitat of N. yunnanensis at Doi Pha Hom Pok National Park, Chiang Mai, Thailand.
FIGURE 3 in The identity of Nanorana yunnanensis (Anderson, 1879) from Thailand, with a description of its tadpole (Anura, Dicroglossidae)
FIGURE 3. Adult male specimen of N. yunnanensis (PT 02794). (A) Dorsal view of body, (B) ventral view of body, (C) lateral side of head, (D) ventral view of hand, (E) ventral view of foot.
FIGURE 1 in The identity of Nanorana yunnanensis (Anderson, 1879) from Thailand, with a description of its tadpole (Anura, Dicroglossidae)
FIGURE 1. Phylogenetic tree based on the combined 12S rRNA, 16S rRNA, and ND2 genes of N. yunnanensis and the closely related species, N. phrynoides and N. sichuanensis. Numbers at nodes are Bayesian posterior probability and maximum parsimony bootstrap values ≥ 75.
Data from: Genealogy and palaeodrainage basins in Yunnan Province: phylogeography of the Yunnan spiny frog, Nanorana yunnanensis (Dicroglossidae)
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FIGURE 2. Live adult male N in The identity of Nanorana yunnanensis (Anderson, 1879) from Thailand, with a description of its tadpole (Anura, Dicroglossidae)
FIGURE 2. Live adult male N. yunnanensis (PT 02794). (A) General aspect, (B) ventral view.
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