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Additions to Philippine Slender Skinks of the Brachymeles bonitae Complex (Reptilia: Squamata: Scincidae) III:a new species from Tablas Island

机译:菲律宾 Brachymeles bonitae Complex的细长苗条石ks的补充(Reptilia:Squamata:Scincidae)III:塔布拉岛的新物种

摘要

Studies of the diversity of Philippine amphibians and reptiles have resulted in the continued description of cryptic species. Species formerly thought to range across multiple recognized faunal regions are now considered to be assemblages of mul- tiple unique species, each restricted to a single faunal region. This pattern continues to hold true when considering Philippine skinks of the genus . Recent studies have resulted in the description of numerous unique species with many exhibiting various degrees of digit loss or limb reduction, as well as suggesting that unique lineages are still present in the Complex. In this paper, we describe a new species of fossorial skink within this species complex from Tablas Island based on collections made nearly 50 years ago. Although no genetic data are available for the new species, examinations of morphological data (qualitative traits, meristic counts, and mensural measurements) support its distinction from all other members of the genus. is differentiated from other members of the genus based on a suite of unique phenotypic characteristics, including a small body size (SVL 66.0–80.9 mm), bidactyl fore-limbs, digitless, unidactyl, or bidactyl hind limbs, a high number of presacral vertebrae (49), the absence of auricular openings, and distinct dorsal head scale patterns. The description of the new species increases the diversity of endemic vertebrates recognized to occur in the Romblon Island Group in the central Philippines.
机译:菲律宾两栖动物和爬行动物的多样性研究导致对隐性物种的描述不断。以前被认为跨多个公认的动物区域的物种现在被认为是多个独特物种的集合,每个物种都局限于一个动物区域。当考虑该属的菲律宾石龙子时,这种模式仍然适用。最近的研究已导致描述了许多独特的物种,其中许多物种表现出不同程度的手指丧失或肢体减少,并且表明该复合体中仍然存在独特的血统。在本文中,我们基于近50年前的收集资料,描述了塔布拉岛物种群中的一种新的of窝皮。尽管没有有关新物种的遗传数据,但形态学数据(定性特征,综合计数和心理测量)的检查支持将其与该属的所有其他成员区分开。基于一系列独特的表型特征与其他属区别开来,包括小体型(SVL 66.0–80.9 mm),双半乳糖前肢,无指,单半乳糖或双半乳糖后肢,大量的s前椎骨(49),没有耳孔,并且背侧鳞片形态明显。对新物种的描述增加了公认的菲律宾中部Romblon岛群中特有脊椎动物的多样性。

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