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A new species of New Guinea Worm-Eating Snake (Serpentes, Elapidae, Toxicocalamus Boulenger, 1896) from Western Highlands Province, Papua New Guinea
Zoosystematics and Evolution ( IF 2 ) Pub Date : 2022-10-05 , DOI: 10.3897/zse.98.90520
Jackson R. Roberts , Bulisa Iova , Christopher C. Austin

We describe a new species of New Guinea Worm-Eating Snake (Elapidae: Toxicocalamus) from a specimen in the reptile collection of the Papua New Guinea National Museum and Art Gallery. Toxicocalamus longhagensp. nov. can be easily distinguished from other species of this genus by the presence of paired subcaudals, a preocular scale unfused from the prefrontal scale, a prefrontal distinct from the internasal scale that contacts the supralabials, a single large posterior temporal and two postocular scales. The new taxon is currently known only from one specimen, which was collected from Mt. Hagen Town in Western Highlands Province, Papua New Guinea in 1967. The new species was originally identified as T. loriae, but the unique head scalation and postfrontal bone morphology revealed through micro-computed tomography scanning easily distinguish the new species from T. loriaesensu stricto. This is the first species of this genus described from Western Highlands Province.

中文翻译:

巴布亚新几内亚西部高地省食虫蛇新种(Serpentes, Elapidae, Toxicocalamus Boulenger, 1896)

我们从巴布亚新几内亚国家博物馆和美术馆的爬行动物收藏品中描述了一种新的食虫蛇(Elapidae:Toxicocalamus)。Toxicocalamus longhagensp. 十一月 可以很容易地与该属的其他物种通过存在成对的尾下鳞片,一个与前额叶鳞片不融合的前额叶鳞片,一个与接触唇上肌的鼻内鳞片不同的前额叶鳞片,一个大的后颞叶鳞片和两个眼后鳞片来区分。该新分类群目前仅从一个标本中获知,该标本于 1967 年采集自巴布亚新几内亚西部高地省的 Mt. Hagen 镇。该新物种最初被确定为 T. loriae,但通过微型计算机断层扫描揭示的独特的头部比例和后额骨形态很容易将新物种与 T. loriaesensu stricto 区分开来。这是从西部高地省描述的该属的第一个物种。
更新日期:2022-10-05
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