Nessia gansi: a Second Three-toed Snake-Skink (Reptilia: Squamata: Scincidae) from Sri Lanka with the Designation of a Neotype for Nessia burtonii Gray

Q4 Agricultural and Biological Sciences Travaux du Museum National d''Histoire Naturelle Grigore Antipa Pub Date : 2017-06-01 DOI:10.1515/travmu-2017-0001

Sudesh Batuwita, U. Edirisinghe

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引用次数: 3

Abstract

Abstract A new species of Nessia is described from Sri Lanka. Nessia gansi sp. n. is distinguished from its sister species (N. burtonii) based on the morphological and meristic data. The new species differs from all other congeners except N. burtonii Gray, by a combination of following characters: presence of four limbs; all limbs bearing three digits; interparietal broader than frontal. It distinguishes from N. burtonii by having five (vs. six) supraciliaries; one (vs. two) pretemporal/s; two (vs. one) primary temporal/s; three (vs. four) infralabials; 93-105 (vs. 110-124) paravertebral scale rows; 103-114 (vs. 117-121) ventral scales; two (vs. three) subdigital lamellae under each digit of manus; mental as wide as postmental (vs. mental wider than postmental); and nostrils visible when viewed ventrally (vs. not visible). Two closely related species show a discrete distribution in Sri Lanka: N. gansi sp. n. is recorded from Kanneliya, Rumaswala, Kottawa, Panagula, Ambalangoda and Imaduwa in the first and second peneplains (~100 m), whereas N. burtonii records (here corrected) are reported from Alagalla, Ambagamuwa, Gampola, Hiniduma and Kandy within the third peneplain (from ~500 m). The identity of N. burtonii is stabilized through the designation of a neotype, and here it is re-described.

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斯里兰卡第二种三趾蛇皮龙(爬行纲:鳞目:蛇皮科)与一种新型的命名

摘要报道了一种来自斯里兰卡的海苔属植物。根据形态学和分生数据，将甘氏水蛭与其姊妹种波顿水蛭区分开来。这个新种与所有其他同属物种不同，除了N. burtonii Gray，它有以下特征:四肢的存在;四肢都有三位数;顶叶间比额叶宽。它与burtonii的区别在于它有5个(相对于6个)附属体;One (vs. two) pretemporal/s;两个(相对于一个)主要时间/s;三次(相对于四次);93 ~ 105行(vs. 110 ~ 124行)椎旁鳞片;103-114 (vs. 117-121)腹鳞;两个(相对于三个)掌下的每指亚指片;心理宽和后心理宽同(vs.心理宽和后心理宽同);从腹侧看时鼻孔可见(vs.不可见)。两个亲缘关系密切的物种在斯里兰卡表现出离散分布:N. gansi sp. n记录于第一和第二准平原(~100 m)的Kanneliya, Rumaswala, Kottawa, Panagula, Ambalangoda和Imaduwa，而N. burtonii记录于第三准平原(~ 500 m)的Alagalla, Ambagamuwa, Gampola, Hiniduma和Kandy。N. burtonii的身份通过指定一个新类型而稳定，并在这里重新描述。

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来源期刊

Travaux du Museum National d''Histoire Naturelle Grigore Antipa Environmental Science-Ecology

CiteScore

0.90

自引率

0.00%

发文量

审稿时长

12 weeks

期刊介绍： Travaux du Muséum National d’Histoire Naturelle "Grigore Antipa" (The Journal of "Grigore Antipa" National Museum of Natural History) is an international, open access, peer-reviewed journal devoted to zoological research that is published biannually by the "Grigore Antipa" National Museum of Natural History from Bucharest (Romania). It publishes original research or review articles dealing with all aspects of general zoology (taxonomy, systematics, evolutionism, faunistics, zoogeography, palaeozoology, animal ecology, invasive species of animals, parasitism, biodiversity conservation). Also, some book reviews, anniversaries and obituaries of some personalities of science world can be accepted to be published in this journal. In the present, the only language accepted for this journal is English. The scope of the journal is to publish, disseminate and provide open access to the results of the original studies made in different zoological fields, in Romania and worldwide. Every submitted manuscript is subject to peer-review, being reviewed by at least two peers qualified to evaluate it. Distinguished authorities form the international advisory board which guarantees the high scientific profile of the journal.