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667 results for “Megophryidae”
FIGURE 19 in Cryptic diversity within the Megophrys major species group (Amphibia: Megophryidae) of the Asian Horned Frogs: Phylogenetic perspectives and a taxonomic revision of South Asian taxa, with descriptions of four new species
FIGURE 19. Megophrys oreocrypta sp. nov.: A. and C. holotype adult female (BNHS 6045: SVL 94.9 mm) immediately after euthanisation: A. dorsolateral view; C. ventral view. B. and D. juvenile paratype (BNHS 6046: SVL 41.7 mm) in life: B. front view; D. ventral view. E. and F. recently metamorphosed paratype (BNHS 6048: SVL 20.6 mm) in life: E. dorsolateral view; F. view of head showing absence of upper lip stripe.
FIGURE 12 in Cryptic diversity within the Megophrys major species group (Amphibia: Megophryidae) of the Asian Horned Frogs: Phylogenetic perspectives and a taxonomic revision of South Asian taxa, with descriptions of four new species
FIGURE 12. Megophrys robusta: A–F. referred specimens from West Bengal state and Arunachal Pradesh state: A. adult male topotype (SDBDU 2011.1062: SVL 79.8 mm) in life; B. adult male (SDBDU 2009.1284: SVL 73.5 mm) from Arunachal Pradesh state, in life; C. adult female topotype (SDBDU 2009.1063: SVL 81.3 mm) in life; D. juvenile (SDBDU 2009.1245: SVL 29.2 mm) from Arunachal Pradesh state, in life; E. ventral view of topotype males, adult left (SDBDU 2011.416: SVL 83.1 mm), subadult right (SDBDU 2011.415: SVL 69.1 mm) in preservation; F. ventral view of a an adult pair of topotype specimens taken immediately after euthanisation, left male (SDBDU 2011.1064: SVL 79.3 mm) and right female (SDBDU 2011.1063: SVL 81.3 mm).
FIGURE 9 in Cryptic diversity within the Megophrys major species group (Amphibia: Megophryidae) of the Asian Horned Frogs: Phylogenetic perspectives and a taxonomic revision of South Asian taxa, with descriptions of four new species
FIGURE 9. Habitat images for collection localities of MMSG species in Northeast India. A. Sessa River, near Sessa village (1110 m asl.), West Kameng dist., Arunachal Pradesh, collection locality of Megophrys robusta and Megophrys periosa sp. nov.; B. and D. Mawphlang Sacred Grove (~1810 m asl.), near Mawphlang village, East Khasi Hills dist., Meghalaya, type locality of Megophrys flavipunctata sp. nov.; C. Senchal Wildlife Sanctuary (2220 m asl.), Rambi (East Range), Darjeeling Sadar subdiv., Darjeeling dist., West Bengal, collection locality of M. monticola; E. Sessa River near Elephant village (370 m asl.), West Kameng dist., Arunachal Pradesh, off which smaller side streams were the type locality of Megophrys himalayana sp. nov.; F. stream near Pangin town (450 m asl.), East Siang dist., Arunachal Pradesh, type locality of Megophrys periosa sp. nov.
FIGURE 3 in Cryptic diversity within the Megophrys major species group (Amphibia: Megophryidae) of the Asian Horned Frogs: Phylogenetic perspectives and a taxonomic revision of South Asian taxa, with descriptions of four new species
FIGURE 3. Concatenated gene trees based on the 29 taxa concatenated nuDNA alignment (Dataset D): A. RAxML tree; B. MrBayes tree. Posterior probability/bootstrap values are provided next to associated nodes. Taxon names in pink represent the eastern clade, blue represents the western clade (southern subclade), and green represents the western clade (northern subclade). Refer to Appendix I, Table 2 for revised names for taxa based on the taxonomic review.
FIGURE 4 in Cryptic diversity within the Megophrys major species group (Amphibia: Megophryidae) of the Asian Horned Frogs: Phylogenetic perspectives and a taxonomic revision of South Asian taxa, with descriptions of four new species
FIGURE 4. RAxML tree for the combined mt+nuDNA dataset expanded to include the Chen et al. (2017) sequences (Dataset J). Bootstrap support values are provided adjacent to the associated nodes. Refer to Appendix I, Table 2 for revised names for taxa based on the taxonomic review.
FIGURE 22 in Cryptic diversity within the Megophrys major species group (Amphibia: Megophryidae) of the Asian Horned Frogs: Phylogenetic perspectives and a taxonomic revision of South Asian taxa, with descriptions of four new species
FIGURE 22. Megophrys periosa sp. nov. holotype: adult male (BNHS 6055: SVL 93.8 mm) in preservation: A. dorsal view; B. ventral view; C. profile view of head; D. ventral view of hand; E. ventral view of foot.
FIGURE 24 in Cryptic diversity within the Megophrys major species group (Amphibia: Megophryidae) of the Asian Horned Frogs: Phylogenetic perspectives and a taxonomic revision of South Asian taxa, with descriptions of four new species
FIGURE 24. Megophrys glandulosa holotype: adult male (CIB 873112: SVL 78.4 mm [Fei et al. 1992]) in preservation: A. dorsal view; B. ventral view; C. profile view of head; D. ventral view of hand; E. ventral view of foot.
FIGURE 1 in Cryptic diversity within the Megophrys major species group (Amphibia: Megophryidae) of the Asian Horned Frogs: Phylogenetic perspectives and a taxonomic revision of South Asian taxa, with descriptions of four new species
FIGURE 1. Ultrametric guide tree topologies used for BPP analyses: A. topology based on *BEAST analyses of phased nuclear alignments, with posterior probability values for nodes; B. alternative topology guide tree based on the results of concatenated mt+nuDNA gene tree analyses (Dataset E); C. alternative topology based on *BEAST analyses of unphased nuclear alignments, with posterior probability values for nodes. Taxon names in pink represent the eastern clade, blue represents the western clade (southern subclade), and green represents the western clade (northern subclade). Refer to Appendix I, Table 2 for revised names for taxa based on the taxonomic review.
FIGURE 15 in Cryptic diversity within the Megophrys major species group (Amphibia: Megophryidae) of the Asian Horned Frogs: Phylogenetic perspectives and a taxonomic revision of South Asian taxa, with descriptions of four new species
FIGURE 15. Megophrys major: A–F. referred specimens from Manipur: A. and B. an adult female (CES 18901: SVL 98.2 mm) in life: A. dorsolateral view; B. ventral view; C. and D. an adult male (CES 18902: SVL 80.0 mm) in life: C. dorsolateral view; D. ventral view; E. and F. an adult male (CES 18903: SVL 81.1 mm) in life: E. dorsolateral view; F. ventral view.
FIGURE 21 in Cryptic diversity within the Megophrys major species group (Amphibia: Megophryidae) of the Asian Horned Frogs: Phylogenetic perspectives and a taxonomic revision of South Asian taxa, with descriptions of four new species
FIGURE 21. Megophrys himalayana sp. nov.: A. dorsolateral view of adult male holotype (BNHS 6050: SVL 72.1 mm) in life; B. dorsolateral view of adult female referred specimen (SDBDU 2009.750: SVL 83.9 mm) in life; C–D. dorsolateral views of adult male paratype (BNHS 6051: SVL 70.2 mm) in life; E. dorsolateral view of adult male referred specimen (SDBDU 2009.787: SVL 70.2 mm) in life; F. ventral view of two adult males (left paratype BNHS 6051: SVL 70.2 mm; right holotype BNHS 6050: SVL 72.1 mm) immediately after euthanisation; G. ventral view of adult referred specimens in preservation, left male (SDBDU 2009.787: SVL 70.2 mm), right female (SDBDU 2009.750: SVL 83.9 mm); H. variation in ventral markings of adult male holotype and paratypes in preservation, clockwise from the top left specimen (BNHS 6050: SVL 72.1 mm; BNHS 6052: SVL 68.5 mm; BNHS 6054: SVL 68.0 mm; BNHS 6053: SVL 73.5 mm; BNHS 6051: SVL 70.2 mm).
FIGURE 14 in Cryptic diversity within the Megophrys major species group (Amphibia: Megophryidae) of the Asian Horned Frogs: Phylogenetic perspectives and a taxonomic revision of South Asian taxa, with descriptions of four new species
FIGURE 14. Megophrys major neotype: adult male (BMNH 1947.2.24.93: SVL 75.0 mm) in preservation: A. dorsal view; B. ventral view; C. profile view of head; D. ventral view of hand; E. ventral view of foot.
FIGURE 5 in Cryptic diversity within the Megophrys major species group (Amphibia: Megophryidae) of the Asian Horned Frogs: Phylogenetic perspectives and a taxonomic revision of South Asian taxa, with descriptions of four new species
FIGURE 5. DensiTree cloudogram representations of *BEAST analyses, removing the first 10% of trees as burn-in, produced from the four nuDNA gene alignments of Dataset E: A. original unphased; B. phased. Dark blue branches represent the most frequently occurring topology, light blue branches represent the consensus trees with intensity proportional to the frequency of the topology in the dataset, and green areas represent all topologies in the dataset. Refer to Appendix I, Table 2 for revised names for taxa based on the taxonomic review.
FIGURE 11 in Cryptic diversity within the Megophrys major species group (Amphibia: Megophryidae) of the Asian Horned Frogs: Phylogenetic perspectives and a taxonomic revision of South Asian taxa, with descriptions of four new species
FIGURE 11. Megophrys robusta lectotype: adult female (BMNH 1947.2.25.19: SVL 102.0 mm) in preservation: A. dorsal view; B. ventral view; C. profile view of head; D. ventral view of foot; E. ventral view of hand.
FIGURE 8 in Cryptic diversity within the Megophrys major species group (Amphibia: Megophryidae) of the Asian Horned Frogs: Phylogenetic perspectives and a taxonomic revision of South Asian taxa, with descriptions of four new species
FIGURE 8. Distribution map of the western MMSG taxa: A. All taxa (excluding M. monticola) from Northeast India and surrounding countries: diamonds represent type localities, circles represent referred localities based on molecularly sampled specimens: orange = M. zhangi; yellow = M. robusta; black = M. medogensis; dark blue = M. major; pink = Megophrys flavipunctata sp. nov.; dark green = Megophrys oreocrypta sp. nov.; light blue = Megophrys himalayana sp. nov.; light green = Megophrys periosa sp. nov.; pale blue = M. cf. periosa; purple = M. glandulosa. B. Inset rectangle in Figure A enlarged to show the distribution map for M. monticola from Darjeeling and Sikkim region, Northeast India, showing distribution of named mitochondrial haplotypes: stars represent the type localities, circles represent referred localities confirmed from sequence data: red = M. "sanu" comb. nov., light blue = M. "katabhako" comb. nov. Blue lines represent major rivers; grey lines represent international borders.
FIGURE 7 in Cryptic diversity within the Megophrys major species group (Amphibia: Megophryidae) of the Asian Horned Frogs: Phylogenetic perspectives and a taxonomic revision of South Asian taxa, with descriptions of four new species
FIGURE 7. Megophrys monticola: A–H. referred specimens from West Bengal state: A. and G. adult female (SDBDU 2011.1030: SVL 47.3 mm): A. dorsolateral view of in life; G. ventral view in preservation as example showing extensive dark pigmentation on throat and chest. B. dorsolateral view of adult male (SDBDU 2011.1423: SVL 46.7 mm) in life. C. and E. adult male (SDBDU 20011.1047: SVL 40.7 mm): C. dorsolateral view in life; E. dorsal view in preservation. D. ventral pigmentation immediately after euthanisation for an adult female (SDBDU 2011.1065: SVL 56.1 mm, left) and adult male (SDBDU 2011.1066: SVL 44.2 mm, right). F. dorsal view of adult female (SDBDU 2011.1049: SVL 48.7 mm) in preservation. H. showing variation in ventral pigmentation within a population, specimens from left to right (male SDBDU 2011.1048: SVL 38.2 mm; female SDBDU 2011.1049: SVL 48.7 mm; male SDBDU 2011.1047: SVL 40.7 mm; male SDBDU 2011.1046: SVL 38.4 mm).
FIGURE 17 in Cryptic diversity within the Megophrys major species group (Amphibia: Megophryidae) of the Asian Horned Frogs: Phylogenetic perspectives and a taxonomic revision of South Asian taxa, with descriptions of four new species
FIGURE 17. Megophrys flavipunctata sp. nov.: A. variation of dorsal markings in adult female paratypes, left (BNHS 6043: SVL 74.6 mm), centre (BNHS 6042: SVL 68.0 mm), and right (BNHS 6041: SVL 68.0 mm) in preservation; B. dorsolateral view of holotype adult male (BNHS 6040: SVL 68.4 mm) in life; C. and D. adult female paratype (BNHS 6043: SVL 74.6 mm) in life: C. dorsolateral view; D. ventral view; E. and F. adult male referred specimen (SDBDU 2007.134: SVL 67.5 mm) from Nagaland state, in life: E. dorsolateral view; F. ventral view.
FIGURE 18 in Cryptic diversity within the Megophrys major species group (Amphibia: Megophryidae) of the Asian Horned Frogs: Phylogenetic perspectives and a taxonomic revision of South Asian taxa, with descriptions of four new species
FIGURE 18. Megophrys oreocrypta sp. nov. holotype: adult female (BNHS 6045: SVL 94.9 mm) in preservation: A. dorsal view; B. ventral view; C. profile view of head; D. ventral view of hand; E. ventral view of foot.
FIGURE 2 in Cryptic diversity within the Megophrys major species group (Amphibia: Megophryidae) of the Asian Horned Frogs: Phylogenetic perspectives and a taxonomic revision of South Asian taxa, with descriptions of four new species
FIGURE 2. BI concatenated gene tree based on the 47 taxa concatenated mt+nuDNA alignment (Dataset C), with ML node values provided. Posterior probability/bootstrap values>95% in both analyses are represented by a black spot on the node, values <95% in one or both analyses are provided next to relevant nodes, where * is>95%, and – is given for nodes that were not resolved on the ML tree. Taxon names in pink represent the eastern clade, blue represents the western clade (southern subclade), and green represents the western clade (northern subclade). Revised names for taxa based on the taxonomic review are provided in parentheses.
FIGURE 12 in Two new and potentially highly threatened Megophrys Horned frogs (Amphibia: Megophryidae) from Indochina's highest mountains
FIGURE 12. (A) Collection locality of Megophrys hoanglienensis sp. nov. at 1898 m asl, Love Waterfall, HLNP, Tam Duong District, Lai Chau Province, Vietnam, (B) collection locality of Megophrys hoanglienensis sp. nov. at 1898 m asl, HLNP, Tam Duong District, Lai Chau Province, Vietnam, and (C) unvouchered Megophrys hoanglienensis sp. nov. in situ, Tam Duong District, Lai Chau Province, Vietnam.
FIGURE 13 in Two new and potentially highly threatened Megophrys Horned frogs (Amphibia: Megophryidae) from Indochina's highest mountains
FIGURE 13. Advertisement call of Megophrys hoanglienensis sp. nov. paratype AMS R186122. (A) 60 s waveform of relative amplitude (Rel. amp.) over time for several call groups, (B) 10 s waveform of Rel. amp. over time for one call group, (C) 1 s waveform and spectrogram of Rel. amp. and frequency for three calls. Recorded at an ambient air temperature of 18.5 °C.
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