Molecular data in conjunction with morphology help resolve the Hemidactylus brookii complex (Squamata: Gekkonidae)

Lajmi, Aparna; Giri, Varad B.; Karanth, K. Praveen

doi:10.1007/s13127-016-0271-9

Cited by 42 publications

(38 citation statements)

References 37 publications

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“…Phylogenetic relationships of the major species groups of Indian Hemidactylus are well resolved (Bauer et al 2008, Bansal and Karanth 2010, Lajmi et al 2016. These studies present data documenting the high genetic divergence in currently recognized species, and thus, suggest that distinct and cryptic species may be present (Mirza et al , 2018.…”

Section: Discussionmentioning

confidence: 70%

“…It is most diverse is in the tropical regions of Asia and Africa. Although some species of Hemidactylus are commensal and widespread, there are several endemic lineages with restricted distributions (Carranza and Arnold 2005, Lajmi et al 2016. India is home to at least 37 species 22 of which are endemic, and the number is steadily increasing as new habitats are explored and integrated taxonomic research that include molecular data are used to explore systematic relationships , Mirza and Raju 2017, Chaitanya et al 2018.…”

Section: Introductionmentioning

confidence: 99%

“…India is home to at least 37 species 22 of which are endemic, and the number is steadily increasing as new habitats are explored and integrated taxonomic research that include molecular data are used to explore systematic relationships , Mirza and Raju 2017, Chaitanya et al 2018. Among Hemidactylus of the Indian subcontinent, Clade 7 (Lajmi et al 2016) contains the following species: H. albofasciatus Grandison and Soman, 1963, H. sataraensis Giri and Bauer, 2008, H. gracilis Blanford, 1870 (Bauer, Giri, Greenbaum, Jackman, Dharne and Shouche, 2008), and H. reticulatus Beddome, 1870. These taxa are of interest because they are characterized by having poorly developed lamellae (unlike most members of the genus) and a short, robust habitus, and being strictly ground dwelling.…”

Section: Introductionmentioning

confidence: 99%

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A new cryptic species of ground-dwelling Hemidactylus (Squamata: Gekkonidae) from southern India

Mirza¹

2018

Phyllomedusa

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A new cryptic species of ground-dwelling Hemidactylus (Squamata: Gekkonidae) from southern India. Recently collected specimens of a gecko resembling Hemidactylus reticulatus from northern Karnataka State in southwestern India led me to investigate variation in the species with regards to its morphology and molecular divergence. Results based on existing museum material, combined with molecular data for the mitochondrial cytochrome b gene support the presence of cryptic species within the broadly distributed H. reticulatus complex. Here, I describe a new species of Hemidactylus from northern Karnataka as the frst contribution in resolving the species complex. The integration of molecular and morphological data supports the distinctness of the new species described herein.

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Section: Discussionmentioning

confidence: 70%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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A new cryptic species of ground-dwelling Hemidactylus (Squamata: Gekkonidae) from southern India

Mirza¹

2018

Phyllomedusa

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“…kushmorensis (Murray, 1884; Image 4): This species has been clarified taxonomically very recently by Lajmi et al (2016). It is distinguished from the sympatric Yellowbellied House Gecko by its relatively small size, reduced lamellae on digits, dorsal tubercles (including strongly keeled tubercles on the tail) and a blotchy pattern of dark and light spots.…”

Section: Reptilesmentioning

confidence: 99%

<b>An annotated checklist of the herpetofauna of the Rashtrapati Bhawan Estates, New Delhi, India</b>

Prasad

Verma

Shahabuddin³

2018

J. Threat. Taxa

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Rashtrapati Bhavan Estates is a large semi-natural area comprising significant patches of secondary forest, cultivation, wetlands and parks in the heart of Delhi, the capital city of India. An inventory of herpetofauna was undertaken from May 15 to July 31, 2015, which revealed four species of amphibians and eight of reptiles. One reptilian species—Striped Keelback—was a new record for the Delhi region. In addition, secondary records of the presence of five snake species were obtained. Given the paucity of published data on natural history of the national capital, this annotated species checklist assumes importance and will be of use for urban planning and conservation.

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“…However, the mPTP analysis suggested that each clade consists of only one species. Previous studies have incorporated other lines of evidence such as morphology, morphometry, and environmental data in order to determine the correct number of species (Joshi & Karanth, 2012;Karanth, 2017;Lajmi et al, 2016). In the absence of additional lines of evidence, we decided to carry out independent Ancestral Range Estimation analysis, following the results of PTP and mPTP analysis respectively, to ascertain if the biogeographical inferences differ drastically between the two speciation models.…”

Section: Species Delimitationmentioning

confidence: 99%

Role of geography and climatic oscillations in governing into-India dispersal of freshwater snails of the family: Viviparidae

Sil¹,

Madhyastha

Karanth³

2018

Preprint

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The Indian subcontinent has experienced numerous paleogeological and paleoclimatic events during the Cenozoic which shaped the biotic assembly over time in the subcontinent. The role of these events in governing the biotic exchange between Southeast Asia and Indian subregion is underexplored. We aimed to uncover the effects the collision of the Indian and Asian plate, marine transgression in the Bengal basin as well as the paleoclimatic changes in the subcontinent and adjoining regions, on the dispersal of freshwater snail family Viviparidae from Southeast Asia (SEA) to Indian subregion. Extensive sampling was carried out throughout the Indian subcontinent to capture the current diversity of the targeted lineages. Three mitochondrial and two nuclear markers were sequenced from these samples and combined with published sequences to reconstruct a near complete global phylogeny of Viviparidae. Molecular dating and ancestral range estimation were undertaken to obtain the time frame for the dispersal events. Results from these analyses were contrasted with paleoclimate and paleogeology to better understand the biogeography of Indian viviparids. Results support at least two dispersal events into India from Southeast Asia. The earlier event is likely to have occurred during a warm and humid Eocene period before a permanent land connection was established between the two landmasses. While the more recent dispersal occurred post-suturing and overlapped with a time in late Tertiary to Quaternary when arid climate prevailed. However, we could not firmly establish how the marine transgressions influenced the dispersal events. Even though most biotic exchange between India and SEA are noted to be post-suturing, our results add to a growing body of work that suggests faunal exchange pre-suturing probably mediated by intermittent land connections.

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Molecular data in conjunction with morphology help resolve the Hemidactylus brookii complex (Squamata: Gekkonidae)

Cited by 42 publications

References 37 publications

A new cryptic species of ground-dwelling Hemidactylus (Squamata: Gekkonidae) from southern India

A new cryptic species of ground-dwelling Hemidactylus (Squamata: Gekkonidae) from southern India

<b>An annotated checklist of the herpetofauna of the Rashtrapati Bhawan Estates, New Delhi, India</b>

Role of geography and climatic oscillations in governing into-India dispersal of freshwater snails of the family: Viviparidae

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