N. Mercado-Salas, E. Suárez-Morales, Sahar Khodami, Pedro Martínez Arbizu
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引用次数: 0
摘要
在墨西哥东南部的Sian Ka’an和Calakmul生物圈保护区的淡水水体中描述了棘环虫属的一新种。棘环虫(Acanthocyclops fiersi n. sp.)是新热带地区发现的第三种，仅次于棘环虫(a.rebecae)和棘环虫(a.smithae)。棘环草(Acanthocyclops fiersi n. sp.)被认为是a . vernalis-robustus物种复合体的成员，其同源性的明显差异通过比较形态学和分子方法得到了支持。mtCOI标记显示，春芽草-粗壮种复合体的种群间K2P差异为0.54%，其他成员间的差异为17.6-22.41%。棘环草(Acanthocyclops fiersi n. sp.)可能局限于Yucatán半岛。对棘环草可能被低估的区域多样性以及在新热带地区进一步研究的必要性提出了意见。包括分布在墨西哥的棘环草种的鉴定关键。
A new species of Acanthocyclops Kiefer, 1927 (Copepoda, Cyclopoida) from ephemeral and permanent waterbodies of Sian Ka’an and Calakmul biosphere reserves, Mexico
A new species of the genus Acanthocyclops is described from temporal freshwater bodies in the Sian Ka’an and Calakmul Biosphere Reserves in Southeast Mexico. Acanthocyclops fiersi n. sp. represents the third species of the genus described from the Neotropics, only after A. rebecae and A. smithae. Acanthocyclops fiersi n. sp., is recognized as a member of the A. vernalis-robustus species-complex, and its clear divergence with respect to its congeners was supported using comparative morphology and molecular methods. The mtCOI marker revealed a 0.54% K2P divergence within populations of A. fiersi n. sp. and 17.6-22.41% with respect to other members of the A. vernalis-robustus species-complex. Acanthocyclops fiersi n. sp. might be restricted to the Yucatán Peninsula. Comments about the likely underestimated regional diversity of Acanthocyclops and the need of further studies in the Neotropics are provided. An identification key to the species of Acanthocyclops distributed in Mexico is included.
期刊介绍：
Crustaceana is a leading journal in the world on crustacean research, including the latest papers from all branches of zoology. It provides up-to-date information on aspects such as taxonomy, zoogeography, ecology, physiology, anatomy, genetics, palaeontology, and biometry, and covers all groups of Crustacea. Boasting a large international circulation, Crustaceana provides its readers with an abstract for each article.
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