A new species of small-eared shrew of the genus Cryptotis Pomel, 1848 (Mammalia, Eulipotyphla, Soricidae) from the easternmost mountains of the Venezuelan Andes

被引:7
|
作者
Quiroga-Carmona, Marcial [1 ,2 ]
DoNascimiento, Carlos [2 ,3 ]
机构
[1] Inst Venezolano Invest Cient, Ctr Ecol, Km 11 Carretera Panamer,Apartado Postal 2182, Caracas 1020A, Venezuela
[2] Univ Carabobo, Fac Expt Ciencias & Tecnol, Museo Zool, Dept Biol, Valencia 2005, Venezuela
[3] Colecc Inst Invest Recursos Biol Alexander von Hu, Carrera 8 15-08, Villa De Leyva, Colombia
关键词
Blarinini; Cryptotis thomasi species group; Neotropical shrews; Parque Nacional Dinira; Soricomorpha; INSECTIVORA; SORICOMORPHA; VEGETATION; COLOMBIA; TAXONOMY; RODENTIA; MURIDAE; ZACHOS;
D O I
10.1016/j.mambio.2016.04.002
中图分类号
Q95 [动物学];
学科分类号
071002 ;
摘要
The presence of shrews of the genus Cryptotis in the most northern spur of the eastern branch of the Venezuelan Andes was initially known by two specimens collected in the Macizo de Guaramacal. Both specimens were initially assigned to C. thomasi and subsequently to C. meridensis. Posteriorly, additional specimens were collected in several localities of the Cordillera de Merida, from the Paramo la Cristalina up to the Sierra de Barbacoas. These samples are not referable to C. thomasi, C. meridensis or another Colombian or Venezuelan species, but on the contrary represent an undescribed species, belonging to the C. thomasi species group. The new species is distinguished by a unique set of morphological characters; among the most remarkable features are the lateral displacement of the foramen of the posterior edge of the tympanic process of the petromastoid, a large fourth unicuspid, visible in lateral view of the skull, and a tricuspulate lower incisor. After the recognition of this species, the number of small-eared shrews of the genus Cryptotis increases to 43, 16 of which occur in South America. (C) 2016 Deutsche Gesellschaft fur Saugetierkunde. Published by Elsevier GmbH. All rights reserved.
引用
收藏
页码:494 / 505
页数:12
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