Gómez Samuel
Instituto de Ciencias del Mar y Limnología, Unidad Académica Mazatlán, Universidad Nacional Autónoma de México; Joel Montes Camarena s/n, Fracc. Playa Sur, Mazatlán, 82040, Sinaloa, México.
Zookeys. 2018 Apr 19(751):75-112. doi: 10.3897/zookeys.751.20387. eCollection 2018.
Investigations on the effects of the oxygen minimum zone on the distribution, abundance, and diversity of deep-sea benthic and pelagic fauna of the Gulf of California and Eastern Tropical Pacific has received attention recently. However, very little is known about the diversity of deep-sea benthic harpacticoids from this region, and only three species, Gómez & Conroy-Dalton, 2002, Gómez & Díaz, 2017 and Gómez & Díaz, 2017, have been described so far. The genus Sars, 1909 is one of the most common and abundant genera of deep-sea harpacticoids. This genus has been traditionally subdivided into two species groups, the and the groups, based on the presence/absence of a dorsal cuticular process on the cephalothorax and anal somite, but some species have been reported to deviate from this scheme. As a result of their investigations, other researchers proposed the monophyly of the group, and suggested the probable monophyly of two other species-groups. In this paper, the descriptions of three new species of the genus from the deep sea of the Gulf of California are presented with some notes on their relationships with other species. Some comments on the monophyly of the genus are given.
关于加利福尼亚湾和东热带太平洋低氧区对深海底栖生物和浮游动物分布、丰度及多样性影响的研究近来受到了关注。然而，对于该区域深海底栖猛水蚤类的多样性所知甚少，到目前为止仅描述了三个物种，即戈麦斯与康罗伊 - 道尔顿（2002年）、戈麦斯与迪亚兹（2017年）以及戈麦斯与迪亚兹（2017年）所描述的物种。1909年的萨斯属是深海猛水蚤类中最常见且数量最多的属之一。该属传统上基于头胸部和肛节上是否存在背侧表皮突起分为两个物种组，即A组和B组，但据报道有些物种并不符合此分类方案。其他研究人员在其调查后提出了A组的单系性，并暗示了另外两个物种组可能的单系性。本文描述了来自加利福尼亚湾深海的该属三个新物种，并对它们与其他物种的关系做了一些说明。还对该属的单系性给出了一些评论。
