A Checklist and Key to the Homalopsid Snakes (Reptilia, Squamata, Serpentes), with the Description of New Genera

Murphy, John C.; Voris, Harold K.

doi:10.3158/2158-5520-14.8.1

Cited by 28 publications

(29 citation statements)

References 44 publications

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“…Our data set contains 26% of all known species and half of the known genera of homalopsid snakes. We follow the most recent taxonomy by Murphy & Voris () in our designation of genus names. We follow the descriptions of the diet, habitat, burrow use, and activity pattern as summarized in Murphy ().…”

Section: Methodsmentioning

confidence: 99%

The impact of diet, habitat use, and behaviour on head shape evolution in homalopsid snakes

Fabre

Bickford

Segall

et al. 2016

Biol. J. Linn. Soc.

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An organism's morphology is driven by selection on function while being constrained by phylogenetic and developmental factors as well as functional trade-offs. If selection on function is strong and solutions limited, then convergence is expected. In this paper we quantify head shape in a group of ecologically diverse snakes (homalopsid snakes) differing in habitat use and diet using three-dimensional geometric morphometric approaches. Using data on head shape we explore whether snakes eating different prey show different morphologies. Moreover, we test whether head shape is constrained by other factors such as habitat use, burrow use, or activity pattern. Our results demonstrate similar head shapes in species consuming similar prey. Snakes that capture elusive prey under water differ from those that capture and swallow prey like frogs or crustaceans. Moreover, habitat use, the use of burrows, and activity pattern also significantly impact head shape in this group of snakes. However, this signal appears to be partly confounded by the diet signal. For axes discriminating specifically between habitat use groups or animals that use burrows vs. those that do not shapes were in accordance with our predictions. Our results suggests an adaptive signal in the evolution of head shape in homalopsid snakes with diet, habitat use and the use of burrows all influencing the evolution of head shape in the group.

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Section: Methodsmentioning

confidence: 99%

The impact of diet, habitat use, and behaviour on head shape evolution in homalopsid snakes

Fabre

Bickford

Segall

et al. 2016

Biol. J. Linn. Soc.

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“…This species is commonly seen Sumarli et al | Herptetofauna of Gunung Tebu, Terrenganu, Malaysia Both juveniles (SVL 129-187 mm) is in accord with Grismer's (2011a) diagnosis of specimens of this species formerly recognized as Enhydris plumbea from the Seribuat Archipelago in having a short, heavy body with a flattened head and broadly rounded snout; head scales large and plate-like; eyes situated dorsally; pupils round; 19 rows of smooth dorsal scales at midbody; ventrals 112-139; 22-45 divided subcaudals; anal plate divided; head and body olive to brownish green; belly yellowish with black, medial spots; black and subcaudal stripe present. Following recent revision of the family by Murphy & Voris (2014), this species has relocated to the genus Hypsiscopus.…”

Section: Dendrelaphis Formosusmentioning

confidence: 99%

First report on the amphibians and reptiles of a remote mountain, Gunung Tebu in northeastern Peninsular Malaysia

Grismer¹,

Anuar²,

Muin³

et al. 2015

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This is the first herpetological survey and checklist of the Mount Tebu (Gunung Tebu) region including the upland areas of Gunung Tebu, the surrounding lowlands of Hutan Lipur Lata Belatan, and the nearby lowland region of Hutan Lipur Lata Tembaka in Terrengganu, northeastern Peninsular Malaysia. Expanding upon the only previous herpetological survey in this region from Gunung Lawit (Dring 1979), we record a total of 106 species including 43 species previously unknown from this portion of Peninsular Malaysia.Key words: Southeast Asia, Banjaran Timur, conservation Peninsular Malaysia is a topographically complex region bearing three major mountain systems: the Banjaran (mountain range) Bintang range in the West, the Banjaran Titiwangsa range in central Peninsular Malaysia, and the Banjaran Timur range in the northeast. The latter is a sculpted series of jagged, isolated, mountainous corridors, and is the second largest upland system in Peninsular Malaysia. These mountains are composed of an array of imbricating peaks, hills, and plateaus dissected by several rivers and streams. Peninsular Malaysia's fragmented upland systems have long been known to harbor a significant amount of herpetofaunal diversity and endemism (e.g

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“…Apart from nine species (genera Brachyorrhos, Calamophis, Karnsophis) that feed primarily on earthworms, they are rear-fanged snakes considered to be mildly venomous. These rear-fanged species feed mostly on aquatic vertebrates (fish and amphibians), but two of them (genera Gerarda, Fordonia) are specialized on crustaceans (crabs) that they grapple with, envenom and dismember before eating (Murphy and Voris, 2014).…”

Section: Homalopsidaementioning

confidence: 99%

Snake Venom in Context: Neglected Clades and Concepts

2019

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Despite the fact that venom is an intrinsically ecological trait, the ecological perspective has been widely neglected in toxinological research. This neglect has hindered our understanding of the evolution of venom by causing us to ignore the interactions which shape this evolution, interactions that take place between venomous snakes and their prey and predators, as well as among conspecific venomous snakes within populations. In this opinion piece, we introduce and briefly discuss several ecologically oriented concepts that may be of interest to toxinologists, before reviewing a range of non-front-fanged snake taxa that have been neglected toxinologically, but which represent the majority of extant ecological diversity amongst snakes. We conclude by noting that the ecological perspective even has something to offer to clinical toxinology, in the wake of the World Health Organization reinstating snakebite envenoming to its list of Neglected Tropical Diseases.

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A Checklist and Key to the Homalopsid Snakes (Reptilia, Squamata, Serpentes), with the Description of New Genera

Abstract: Historical Background. 1 What Are Homalopsid Snakes?. Generic Designations, Why So Many Genera?. Homalopsidae Incertae Sedis. Common Names and Photographs. Methods. Accounts for Genera and Species.

Cited by 28 publications

References 44 publications

The impact of diet, habitat use, and behaviour on head shape evolution in homalopsid snakes

The impact of diet, habitat use, and behaviour on head shape evolution in homalopsid snakes

First report on the amphibians and reptiles of a remote mountain, Gunung Tebu in northeastern Peninsular Malaysia

Snake Venom in Context: Neglected Clades and Concepts

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