1. Sayyed, A., Khot, R. & Purkayastha, J. (2025) A new tuberculate house gecko species (Squamata: Gekkonidae: Hemidactylus) from the northern Western Ghats of Maharashtra, India. Zootaxa, 5583 (2), 293–308.

2. Thaosen, K., Purkayastha, J., Vabeiryureilai, M. & Lalremsanga, H.T. (2024) Sexual males in the parthenogenetic Hemidactylus cf. garnotii (Squamata: Gekkonidae) in Mizoram, India. Taprobanica, 13 (2), 124–131.

3. Gracy, P., Das, M., Decemson, H. & Purkayastha, J. (2024) Two new additions to the amphibian fauna of Manipur, India. Taprobanica, 13 (2), 136–137.

4. Borah, P.K., Grismer, L.L., Das, A., Purkayastha, J., Deuti, K., Lalremsanga, H.T. & Datta-Roy, A. (2024) What is Sphenomorphus maculatus (Blyth, 1854 “1853”) (Reptilia: Squamata: Scincidae)? Validating cryptic diversity and the designation of a neotype. Zootaxa, 5543 (4), 579–590.

5. Warjri, H., Purkayastha, J., & Das, M. (2024). An insight into the bioacoustics of some anurans of Meghalaya, India (Amphibia: Anura). Natural History Sciences.

6. Mirza, Z.A., Pattekar, S., Verma, S., Stuart, B.L., Purkayastha, J., Mohapatra, P.P. & Patel, H. (2024) A new long-snouted vine snake species in the genus Ahaetulla Link, 1807 (Colubridae: Chrysopeleinae) from India. Journal of Asia-Pacific Biodiversity, 17(4), 696-703

7. Mandal, J., Lahkar, L., Basumatary, E., & Purkayastha, J. (2024). First record of the Assam Painted Frog, Uperodon assamensis (Das, Sengupta, Ahmed, and Dutta 2004) (Anura: Microhylidae), from Manas National Park, Assam. Reptiles & Amphibians, 31(1), e21129

8. Deb, A., Basfore, B., & Purkayastha, J. (2024). New district record for the Assam Snail Eater Snake, Pareas monticola (Cantor 1839), from Dhalai, Tripura, India. Reptiles & Amphibians, 31(1), e21536

9.Deka, P., Choudhury, P., Saikia, H. P., Talukdar, B. K., & Purkayastha, J. (2024). New record of the Bar-necked Keelback Fowlea schnurrenbergeri from Pobitora Wildlife Sanctuary, Assam, India. Reptiles & Amphibians, 31(1), e21287.

10. Deb, A., Basfore, B., & Purkayastha, J. (2024). First confirmed record of Gore’s Coral Snake, Sinomicrurus gorei (Wall 1908), from Tripura, India. Reptiles & Amphibians, 31(1), e21490.

11. Choudhury, A., Deb, A., & Purkayastha, J. (2024). First record of Salazar’s Pitviper, Trimeresurus salazar (Mirza, Bhosale, Phansalkar, Sawant, Gowande, and Patel 2020) from Tripura, India. Reptiles & Amphibians, 31(1), e20654

12. Barhadiya, G., Purkayastha, J., Saha, A.K., Ghosh, C. (2024) Spatial and temporal assessment of snake encounters in urban Delhi, India. Scientific Reports 14, 5506.

13. Deka, C., Kalita, P., Purkayastha, J., Bohra, S.C. (2024) A banded krait Bungarus fasciatus scavenging on a water snake. The Herpetological Bulletin. 167: 44

14. Rathee, Y.S., Purkayastha, J., Bohra, S. (2023). A case of chromatic aberration: Hypomelanism in a Banded Krait (Bungarus fasciatus [Schneider, 1801]) (Serpentes: Elapidae) from Chattisgarh, India. Sauria 45(4):53-55

15. Lalremsanga, H.T., Colney, Z., Vabeiryureilai, M., Malsawmdawngliana, M., Bohra, S.C., Biakzuala, L., Muansanga, L., Das, M., Purkayastha, J. (2023). It's all in the name: Naming another Cyrtodactylus Gray (Squamata: Gekkonidae) from northern Mizoram, Northeast India. Zootaxa. 5369 (4): 553–575

16. Sayyed, A., Kirubankaran, S., Khot, R., Harsan, S., Adhikari, O., Sayyed, A., Sayyed, M., Deshpande, S., Purkayastha, J., Sulakhe, S. (2023). Two new beautiful species of Cnemaspis Strauch, 1887 (Squamata: Gekkonidae) from southern India. Zootaxa 5374. 301 - 332.

17. Decemson, H., Lalremsanga, H.T., Elangbam, P.S., Vabeiryureilai, M., Shinde, P., Purkayastha, J., Arkhipov, D.V., Bragin, A.M., Poyarkov, N.A. (2023) A new cryptic species of Tylototriton (Amphibia, Caudata, Salamandridae) from mysterious mountain lakes in Manipur, north-eastern India. Herpetozoa 36: 203-224.

18. Sayyed, A., Kirubakaran, S. Khot, R., Adhikari, O., Sayyed, A., Sayyed, M., Purkayastha, J., Deshpande, S., Sulakhe, S. (2023) A new species of the genus Hemidactylus Goldfuss, 1820 (Squamata:Gekkonidae) from Tamil Nadu, India. Asian Journal of Conservation Biology, 12 (1): 100-110.

19. Deb, A., Karmakar, A., & Purkayastha, J. (2023). First record of Siebold’s Watersnake, Ferania sieboldii (Schlegel 1837), from Tripura, India. Reptiles & Amphibians, 30(1), e18686. https://doi.org/10.17161/randa.v30i1.18686.

20. Sayyed, A., Kirubakaran, S. Khot, R., Abinesh, A. Shiva, H., Sayyed, A. Sayyed, A. Omkar, A. Purkayastha, J., Deshpande,S., Sulakhe, S. (2023) A new rupicolous day gecko species (squamata: gekkonidae: cnemaspis) from Tamil Nadu, South India. Tabrobanica 12: 5–13.

21. Mahananda, P., Jelil, S.N., Bohra, S.C., Mahanta, N., Saikia, R.B., Purkayastha, J. (2023). Terrestrial vertebrate and butterfly diversity of Garbhanga Landscape, Assam, India. Journal of Threatened Taxa 15(4): 23029–23046.

22. Bhora, S.C., Swargiary, P., Roy, R., Purkayastha, J. (2023): Observation of an Indo-Chinese Ratsnake (Ptyas korros) Preying on a Mock Viper (Psamodynastes pulverulentus). Reptiles and Amphibians. 30: e18679.

23. Singh, P.E., Purkayastha, J. (2023): Attempted Predation of a Snail (Pila sp.) by a Buff-striped Keelback (Amphiesma stolatum) India. Reptiles and Amphibians.

24. Bhattacharjee, R., Kumar, A., Purkayastha, J. (2023): Notes on Clutch Size, Incubation Period, and Hatchling Size of the Ornate Flying Snake (Chrysopelea ornata). Reptiles and Amphibians. 30: e18445.

25. Deb, A., Sinha, D., Purkayastha, J. (2023): Predation on Zaw’s Wolfsnake (Lycodon zawi) by a Malaysian Cherry Red Centipede (Scolopendra dehaani). Reptiles and Amphibians.

26. Bohra, S.C., Zonunsanga, H.T., Das, M., Purkayastha, J., Biakzuala, L., Lalremsanga, H.T. (2022): Morphological and molecular phylogenetic data reveal another new species of bent-toed gecko (Cyrtodactylus Gray: Squamata: Gekkonidae) from Mizoram, India. Journal of Natural History.

27. Bhattacharjee, R., Purkayastha, J., Tamang, C.B., Medhi, M. (2022): Another Case of Venom Spitting in the Monocled Cobra, Naja kaouthia Lesson 1831, from Assam, India. Reptiles and Amphibians

28. Dey, M., Bhattacharjee, R., Bohra, S.C., Paul, P., Majumder, B., Purkayastha, J. (2022): First Confirmed Record of the Bengalese Kukri Snake, Oligodon dorsalis (Gray 1834), from Assam, India Reptiles and Amphibians.

29. Majumder, B., Dey, M., Bohra, S.C., Purkayastha, J. (2022): King Cobras, Ophiophagus hannah (Cantor 1836), from Lumding, Hojai District, Assam, India. Reptiles and Amphibians. 29(1):433–435.

30. Rathee, Y.S., Purkayastha, J., Lalremsanga, H.T., Dalal, S., Biakzuala, L., Muansanga, L., H.T., Mirza, Z.A. (2022) A new species of pit viper in the genus Trimeresurus Lacépède, 1804 (Serpentes, Crotalidae) from northeast India. Plos ONE 17(5): 1-17.

31. Bhattacharjee, R. ., Purkayastha, J. (2022). A second observation of scavenging in the Checkered Keelback, Fowlea piscator (Schneider 1799). Reptiles & Amphibians. 29(1): 320.

32. Lal, B., Lalremsanga, H.T., Tariang, A.D., Vabeiryureilai, M., Vanlalchhuana, Muansanga, L., Hrima, V., M., Kumar, V., Kundu, S., Purkayastha, J., Vogel, G. (2022). Contributions to the taxonomic status and molecular phylogeny of Asian Bronzeback Snakes (Colubridae, Ahaetuliinae, Dendrelaphis Boulenger, 1890), -from Mizoram State, Northeast India. Zoosystema. 44(7): 177-196.

33. Purkayastha, J., Lalremsanga, H.T., Litho, B., Rathee, Y.S., Bohra, S.C., Mathipi, V., Biakzuala, L., Muansanga, L. (2022): Two new Cyrtodactylus (Squamata, Gekkonidae) from Northeast India. European Journal of Taxonomy. 794: 111-139.

34. Lalremsanga, H.T., Chinliansiama, H.,Bohra, S.C., Biakzuala, L., Vabeiryureilai, M., Muansanga, L., Malsawmdawngliana, F., Hmar, G.Z., Decemson, H.T., Siammawii, V., Das, M., Purkayastha, J. (2022): A new bent-toed gecko (Cyrtodactylus Gray: Squamata: Gekkonidae) from the state of Mizoram, India.

35. Kalita, P., Das, J.K., Mishra, M., Purkayastha, J. (2021): Observations of Predation by an Indian Bullfrog (Hoplobatrachus tigerinus) and a Banded Krait (Bungarus fasciatus). Reptiles & Amphibians. 28(3): 465–466.

36. Lalremsanga, H.T., Purkayastha, J., Biakzuala, L., Vabeiryureilai, M., Muansanga, L., Rinsanga, L. (2021) A new species of striped Ichthyophis Fitzinger, 1826 (Amphibia: Gymnophiona: Ichthyophiidae) from Mizoram, northeast India. Amphibian and Reptile Conservation. 15(2): 198-209.

37. Sengupta, S., Purakayasta, J., Anandan, N., Das, M., Chan, K.O., Murthy, C. (2021) The odd one in: re-diagnosis and phylogenetic placement of the Assam Day Gecko, Cnemaspis assamensis Das & Sengupta 2000 (Squamata: Gekkonidae). Zootaxa,5048 (4): 581–593.

38. Purkayastha, J., Bohra, S.C., Tamang, C.B., Medhi, M. (2021): First Record of the Laudankia Vinesnake, Ahaetulla laudankia Deepak, Narayanan, Sarkar, Dutta, and Mohapatra 2019, from Assam, India. Reptiles and Amphibians. 28(2):308–309.

39. Lalremsanga, H.T., Purkayastha, J., Vabeiryureilai, M., Muansanga, L., Decemson, H.T., Biakzuala, L. (2021) First record of Ichthyophis multicolor (Gymnophiona: Ichthyophiidae) from India. Check List 17 (4): 1021–1029.

40. Saikia, B., Meetei, A.B., Purkayastha, J. (2021): Diet: Rhabdophis subminiatus. Herpetological Review. 52(2): 432.

41. Purkayastha, J., Lalremsanga, H.T., Bohra, S.C., Biakzuala, L., Decemson, H.T. , Muansanga, L., Vabeiryureilai, M., Chauhan, S., Rathee, Y.S. (2021). Four new Bent-toed geckos (Cyrtodactylus Gray: Squamata: Gekkonidae) from northeast India. Zootaxa. 4980 (1): 451–489.

42. Biakzuala, L., Purkayastha, J., Rathee, Y.S., & Lalremsanga, H.T. (2021). New data on the distribution, morphology, and molecular systematic of two venomous snakes, Bungarus niger and Bungarus lividus (Serpentes: Elapidae), from north-east India. Salamandra.

43. Rathee, Y.S., Purkayastha, J., Dalal, S., Lalremsanga, H.T. (2021) Additional locality records for Salazar’s Pit Viper, Trimeresurus salazar from state of Assam and Meghalaya, India. Reptiles & Amphibians.

44. Bohra, S.C., Purkayastha, J. (2021) Butterflies of an urban landscape: an insight into the butterfly diversity of Guwahati, Assam, India. Journal of threatened Taxa 13 (2): 17741–17752.

45. Purkayastha, J., Gupta, S., Bhattacharjee, R., Bhora, S.C. (2020) Cases of self inflicting envenomation in Medo’s Pit Viper (Trimeresurus medoensis Zhao, 1977) and Lesser Black Krait (Bungarus lividus Cantor, 1839). The Herpetological Bulletin 154:43.

46. Barhadiya, G., Singh, S., Ghosh, C.,Basumatary, R., Purkayastha, J. (2020) Diversity, Abundance and Conservation Potential of Captive turtle colonies at Temple ponds of North-east India. Herpetological Bulletin

47. Saikia, B., Bora, A., Sinha, B., Purkayastha, J. (2020) A note on the Type Locality of Polypedates himalayensis (Annandale, 1912) (Anura: Rhacophoridae). Reptiles and Amphibians. 27(3):517–518

48. Ranade, S., Purkayastha, J. (2020) A case of cannibalism in Kachin Smooth Gecko, Hemidactylus aquilonius Zug and Mcmahan, 2007 (Squamata: Gekkonidae) from Assam, India. Reptiles and Amphibians. 27(3):514.

49. Purkayastha, J., Bohra, S.C., Das, M. (2020) First record of Urban bent-toed gecko, Cyrtodactylus urbanus Purkayastha, Das, Bohra, Bauer and Agarwal 2018 (Squamata: Gekkonidae) from Meghalaya, India. Reptiles and Amphibians.

50. Lalremsanga, H.T., Muansanga , L., Vabeiryureilai, M., Biakzuala, L., Rinsanga, L., Zothanzama, J., Kumar, N.S., Purkayastha, J. (2020) Deciphering phylogenetic relationship of Duttaphrynus chandai Das, Chetia, Dutta, and Sengupta, 2013 (Anura: Bufonidae) and its first record from the state of Mizoram, India. Reptiles and Amphibians. 27(3):467–471.

51. Bohra, S.C., Purkayastha, J. (2020): First record of Marbled Toad Duttaphrynus stomaticus Lütken (1864) (Anura: Bufonidae) from the South Bank of river Brahmaputra in Assam, India with comments on its type locality. Reptiles and Amphibians. 27(3):430–431.

52. Purkayastha, J., Bhattacharjee,R., Bohra, S.C. (2020): First record of the exotic Red-eared Slider, Trachemys scripta elegans (Wied 1838) (Emydidae) from Assam, India. Reptiles and Amphibians 27(2):286–287.

53. Muansanga, L., Decemson, H.T., Biakzuala, L., Hmar, G.Z., Lalremsanga, H.T., Das, M. Purkayastha, J. (2020): First record of the Jampui Bent-toed Gecko, Cyrtodactylus montanus Agarwal, Mahony, Giri, Chaitanya, and Bauer 2018 (Squamata: Gekkonidae), from Mizoram, India. Reptiles and Amphibians 27(2):267–268.

54. Kundu,S., Lalremsanga, H.T. Purkayastha, J., Biakzuala,L., Chandra, K., Kumar, V. (2020) DNA barcoding elucidates the new altitude record and range-extension of lesser-known bullfrog (Hoplobatrachus litoralis) in northeast India, Mitochondrial DNA Part B, 5:3, 2668-2672.

55. Purkayastha, J., Das, M., Bohra, S.C., Bauer, A.M., Agarwal, I. (2020) Another new Cyrtodactylus (Squamata: Gekkonidae) from Guwahati, Assam, India, Zootaxa 4732 (3): 375–392.

56. Purkayastha J., Khan N., Roychoudhury S. (2020) A Preliminary Checklist of Herpetofauna Occurring in Rowa Wildlife Sanctuary, Tripura, India. In: Roy N., Roychoudhury S., Nautiyal S., Agarwal S., Baksi S. (eds) Socio-economic and Eco-biological Dimensions in Resource use and Conservation. Environmental Science and Engineering. Springer, Cham. pp 225-233.

57. Purkayastha J., Roychoudhury S., Biswa B.B., Das M., Sengupta S. (2020) Herpetofaunal Diversity and Conservation Status in Amchang Wildlife Sanctuary of Assam, India. In: Roy N., Roychoudhury S., Nautiyal S., Agarwal S., Baksi S. (eds) Socio-economic and Eco-biological Dimensions in Resource use and Conservation. Environmental Science and Engineering. Springer, Cham. Pp. 217-223.

58. Bohra, S., Bhattacharjee, R., Khan, N., Purkayastha, J. (2019). First record of Hoplobatrachus litoralis from Assam. Herpetological Review. 50(3):521

59. Purkayastha, J., Das, M., Mondal, K., Mitra, S., Chaudhuri, A., Das, I. (2019) A new species of Polypedates Tschudi, 1838 (Amphibia: Anura: Rhacophoridae) from West Bengal State, Eastern India. Zootaxa 4619(5):525-540.

60. Deka,A., Gogoi,A., Das, D., Purkayastha, J., Doley, J. (2019). Proteomics of Naja kaouthia venom from North East India and assessment of Indian polyvalent antivenom by third generation antivenomics. Journal of proteomics vol. 207,103463:1-20.

61. Das, M., Borthakur, M.G., Roychoudhury, S., Biswa,B.B., Purkayastha, J. (2019) Femoral gland secretion of Gekkonids Hemidactylus aquilonius and Hemidactylus flaviviridis from Assam, India. Journal of Microbiology, Biotechnology and Food Sciences.

62. Purkayastha, J., Bhora, S. (2019): Oligodon cinereus (Günther’s Kukri Snake). DIET. Scolopendra subspinipes. Herpetological Review. 50 (1): 165

63. Purkayastha, J., David, P. (2019): A new species of the snake genus Hebius Thompson from Northeast India (Squamata: Natricidae). Zootaxa 4555(1): 79-90.

64. Purkayastha, J. (2018): Tortoises and freshwater turtles of India with special reference to the temple ponds in turtle conservation. Proceedings of Biodiverse 2018, Aquatic Biodiversity, pp 13-14.

65. Chaudhuri, A., Mukherjee, S., Chowdhury, S., Purkayastha, J. (2018): Gloydius himalayanus (Himalayan Pitviper), First record from West Bengal. Herpetological Review. 49 (3): 505

66. Mondal, K., Purkayastha, J., Chaudhuri, A. (2018): Hoplobatrachus litoralis (HOPLOBATRACHUS LITORALIS), First record from West Bengal. Herpetological Review. 49 (3): 500

67. Purkayastha, J. (2018) Urban Biodiversity: An insight into terrestrial vertebrate diversity of Guwahati, India. Journal of threatened taxa. 10(10): 12299-12316. https://doi.org/10.11609/jott.3721.10.10.12299-12316

68. Purkayastha, J., Kalita, J. Brahma, R.K., Doley, R., Das, M. (2018) Review of relationship of Xenochrophis cerasogaster (Serpentes :Colubridae) to its congeners. Zootaxa 4514(1):126-136.

69. Purkayastha, J., Basak, S. (2018): Hoplobatrachus litoralis (Anura: Dicroglossidae) in India. Hamadryad. 38(1&2): 25-26

70. Purkayastha, J., Bashak, S. (2017): Amolops assamensis (Assam Cascade Frog), First record from Meghalaya. Herpetological Review. 48 (4): 806

71. Purkayastha, J., (2017): Ichthyophis moustakius (Manipur Moustached Caecilian), First record from Assam. Herpetological Review. 48 (3): 582

72. Chaudhuri, A., Dutta, A., Purkayastha, J., (2017): Lissemys punctate vittata (Indian Flapshell).Incubation. Herpetological Review. 48 (2): 375-376

73. Sachu, K., Purkayastha, J., Bhattacharjee, R. (2017): Cuora mouhotii (Keeled Box Turtle) from Nagaland, India. Herpetological Review. 48(1): 122

74. Sengupta, S., Purkayastha, J., Das, M., Baruah, B.K. (2016): Herpetofaunal Assemblage of Deeporbeel Ramsar site of Assam, India. Research Journal of Contemporary Concern. 10-11 (B): 52-57

75. Chaudhuri, A., Dutta, A., Purkayastha, J., (2015): Chamaeleo zeylanicus (Indian Chameleon).Clutch size. Herpetological Review. 46 (4): 629-630

76. Chaudhuri, A., Sharma, V. Purkayastha, J. (2015): Lycodon odishii, a junior synonym of Lycodon jara, with notes on morphological variation in this species (Squamata, Colubridae). Hamadryad. 37(1-2): 95-103

77. Das, M., Bhattacharjee, P.C., Purkayastha, J. (2015): Range extension of Hemidactylus aquilonius (Sauria: Gekkonidae) in north-eastern India with notes on its distribution, Hamadryad. 37(1-2): 124-127

78. Purkayastha, J. (2015): Kaloula pulchra (Banded Bullfrog) defensive behaviour. Herpetological Review. 46 (3): 412-413

79. Chaudhuri, A., Purkayastha, J. (2015): Lissemys punctate vittata (Indian Flapshell) clutch size. Herpetological Review. 46 (1): 83

80. Alley, L., Sengupta, S., Purkayastha, J. (2014): Nanorana gammii (Gammii Frog) from Sikkim, India. Herpetological Review. 45 (3): 458

81. Das, M., Bhattacharjee, P.C., Biswa, B., Purkayastha, J. (2014): Effect of light and dark phase on dorsum colour and pattern in Hemidactylus sp. of Assam. Northeast Journal of Contemporary Research 1(1): 1-7

82. Borah, M.M., Bordoloi, S., Purkayastha, J., Das, M., Dubois, A., Ohler, A. (2013): Limnonectes (Taylorana) medogensis (FeI, Ye & HuaNg, 1997) from arunachal Pradesh (India), and on the identity of some diminutive ranoid frogs (anura: dicroglossidae, occidozygidae) Herpetozoa 26 (1/2): 39-48

83. Purkayastha, J., Das, M., Vogel, G., Bhattacharjee, P.C., Sengupta, S. (2013): Comments on Xenochrophis cerasogaster (Cantor 1839) (Serpentes: Natricidae) with remarks on its natural history and distribution. Hamadryad. 36(2): 149-156

84. Purkayastha, J., Hassan, M.A., Islam, H., Das, J., Sarma, M., Basumatary, M., Sarma, N., Chatterjee, N., Singha, S., Nair, V., Purkayastha, A., Dutta, J., Das, M. (2013): Turtles of the Temple Pond of Kamakhya, Assam, India. Reptilerap 15: 11-15

85. Purkayastha, J. (2012): On identity of snakes: a guide for common man TSI Newsletter, Toxinological Society of India 2(2): 16-21

86. Acharjee, B.K., Das, M., Borah, P., Purkayastha, J. (2012): Ichthyofaunal Diversity of Dhansiri River, Dimapur, Nagaland, India. CheckList. 8(6): 1163-1165.

87. Purkayastha, J., Purkayastha, A. (2012) A case of White-breasted Kingfisher (Halcyon smyrnensis) Preying on a Gecko (Hemidactylus aquilonius). Asian Journal of Conservation Biology Vol. 1 No. 1, pp.45-46.

88. Das, M., Purkayastha, J., Sengupta, S. (2012): Distribution of Hemidactylus bowringii (Gray, 1845) in Northeastern India. Biodiversity of Northeast India. Proc. Nat. Sem, AVC 159-162

89. Das, M., Purkayastha, J. (2012) An insight into hemipenial morphology of five Hemidactylus Oken, 1817 (Reptilia: Gekkonidae) species of Guwahati, Assam, India. Hamadryad. 36(1) 32-37

90. Sharma, V., Purkayastha, J. (2012): Oligodon arnensis (Common kukri snake) predation. Herpetological Review. 43(1) 150.

91. Purkayastha, J., Matsui, M. (2012): A New Species of Fejervarya (Anura: Dicroglossidae) from Northeastern India. Asian Journal of Herpetological Research. 3(1) 31-37

92. Purkayastha, J., Sourav, M.S.H. (2011): Natural History: Hemidactylus frenatus (Common house gecko) predating on Spider. Herpetological Review. 42(4): 603-604.

93. Das, M, Brahma, R.K., Purkayastha, J. (2011): More in our mind than in their mouth? A preliminary inspection inside the oral cavity of two house Geckos: Hemidactylus frenatus Schlegel, 1836 and Hemidactylus aquilonius McMahan & Zug, 2007. Herpetology Notes (4) 303-306.

94. Sourav, M.S.H., Purkayastha, J. (2011): A locality record of Xenochrophis cerasogaster (Serpentes: Colubridae) from Bangladesh. Check List. 7(3): 352-353.

95. Purkayastha, J., Das, M., Sengupta, S. (2011): Urban herpetofauna: A case study in Guwahati city of Assam, India. Herpetology Notes 4: 195-202.

96. Purkayastha, J., Majumdar, S., Acharjee, B. (2011): Hemidactylus flaviviridis (yellow-green house gecko), from Nagaland, India. Herpetological Review. 42(2): 240.

97. Sourav, M.S.H., Purkayastha, J. (2011): Euphlyctis hexadactylus from Dhaka, Bangladesh (Indian Five-fingered Frog). Herpetological Review. 42 (1): 107.

98. Das, M., Purkayastha, J., Bauer, A.M., Sengupta, S. (2011): Hemidactylus flaviviridis an invasive gecko in Assam. Northwestern Journal of Zoology. Volume 7(1): 98-104.

99. Purkayastha, J., Das, M. (2011): Cnemaspis assamensis (Assamese Day Gecko) Habitat. Herpetological Review. 42 (1): 93.

100. Purkayastha, J., Das, A. (2010): Cnemaspis assamensis (Assamese Day Gecko) from Meghalaya, India. Herpetological Review. 41 (4): 511-512.

101. Purkayastha, J., Das, M. (2010): Sphenomorphus maculatus (Sauria: Scincidae): A Case Of Death Feigning . Herpetology Notes. 3: 285-287.

102. Purkayastha, J., Das, M, Bauer, A.M., Sengupta, S., Dutta, S.K. (2010): Notes on the Hemidactylus bowringii complex (Reptilia: Gekkonidae) in India and a change to the national herpetofaunal list. Hamadryad .Vol. 35, No. 1, pp. 20 – 27.

103. Das, A., Mahapatra, P.P., Purkayastha, J., Sengupta,S., Dutta, S.K., Ahmed, M.F., Tillack, F. A (2010): Contributions to Boiga gokool. Russian Journal of Herpetology. 17(3):161-178.

104. Purkayastha, J., Das, M., Sengupta, S., Dutta, S.K. (2010): Notes on Xenochrophis schnurrenbergeri Kramer 1977 (Serpentes: Colubridae) from Assam, India with some comments on its morphology and distribution". Herpetology Notes. 3: 175-180.

105. Purkayastha, J., Das, M. (2009): Hemidactylus flaviviridis (yellow-green house gecko), from Assam, India. Herpetological Review. 40 (4): 451-452.