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, Mexico Universidad Nacional Autónoma de México Mazatlán Mexico.
Zookeys. 2020 Nov 6;987:41-79. doi: 10.3897/zookeys.987.52906. eCollection 2020.
Quarterly sampling campaigns during 2019 to study the diversity of meiofauna in a polluted estuary in northwestern Mexico revealed the subfamily Stenheliinae Brady, 1880 as one of the most important contributors to the diversity of benthic harpacticoids. Two new stenheliin species are described here. One of them was assigned to the, so far, monotypic genus defined by the autapomorphic modified proximal outer spinules on the sigmoid process of the male P2ENP2. The other species was assigned to Karanovic and Kim, 2014. shares the armature formula of the P1 EXP2 with , , and , but seems to bear a sister-group relationship with the former two genera by the loss of one inner seta on the P2-P3 EXP3, the presence of two outer spine-like elements on the male P5EXP, and the displacement of the outer spine and medial and inner distal setae of P2ENP3, to an apical and subapical inner position, respectively, but is more closely related to by the overall shape of the male P2ENP2. is attributed to a group of species composed of , , and characterized by the strongly reduced inner seta of the female P5 baseoendopod, but differs in the discrete female P5 baseoendopods and in the presence of one outer seta only on that segment. is defined here by the autapomorphic loss of the outermost seta of the female P5 baseoendopod.
2019年期间开展的季度采样活动，旨在研究墨西哥西北部一个受污染河口的小型底栖动物多样性，结果显示，1880年的Stenheliinae Brady亚科是底栖猛水蚤类多样性的最重要贡献者之一。本文描述了两个新的stenheliin物种。其中一个被归入到目前为止的单型属，该属由雄性P2ENP2乙状突上自近位外侧小刺的自近位外侧小刺确定。另一个物种被归入到Karanovic和Kim，2014年。 与 、 和 具有相同的P1 EXP2的刚毛式，但由于P2 - P3 EXP3上一根内刚毛的缺失、雄性P5EXP上两个外侧刺状刚毛的存在以及P2ENP3的外侧刺以及内侧和内侧远端刚毛分别向顶端和亚顶端内侧位置的移位，似乎与前两个属形成姐妹群关系，但就雄性P2ENP2的整体形状而言，它与 关系更密切。 被归入到由 、 和 组成的一组物种，其特征是雌性P5底节内肢的内刚毛强烈减少，但在离散的雌性P5底节内肢以及仅在该节段上存在一根外侧刚毛方面存在差异。 在此由雌性P5底节内肢最外侧刚毛的自近位缺失确定。
