Programa de Doctorado en Sistemática y Biodiversidad, Departamento de Zoología, Facultad de Ciencias Zoológicas y Oceanográficas, Universidad de Concepción, Concepción, Chile.
Centro de Investigaciones Costeras de la Universidad de Atacama (CIC-UDA), Universidad de Atacama, Copiapó, Región de Atacama, Chile.
PLoS One. 2018 Jun 13;13(6):e0197821. doi: 10.1371/journal.pone.0197821. eCollection 2018.
Deep waters of the South Pacific off northern Chile remain poorly studied, particularly in regard to invertebrate faunas. Some recent works include new records on deep-water species, mostly from the bycatch of benthic fisheries concentrated along the continental margin of the country. Among these, a few specimens of an unidentified bathylasmatine balanomorph were collected off Caldera, northern Chile, and they are described here as Bathylasma chilense sp. nov. While this is the second report of a bathylasmatid in the Eastern Pacific Ocean, the first being Tetrachaelasma southwardi Newman & Ross, 1971, it is not only the first but the deepest known (1800-2000 m) species of Bathylasma. Its discovery increases the number of described Bathylasma species to eight, four of which are extant. This is the third deep-water balanomorph cirriped recorded for the region where it may represent an isolate from a West Wind Drift fauna, an immigrant from the western Pacific, or a relict of a once cosmopolitan Paleocene-Eocene fauna now having an amphitropical component.
智利北部南太平洋深水区的研究仍不完善，特别是无脊椎动物区系。最近的一些研究包括对深海物种的新记录，这些物种主要来自于该国大陆架边缘的底栖渔业的副渔获物。其中，在智利北部的卡尔德拉（Caldera）海域采集到了一些未鉴定的深沟足贝类（bathylasmatine balanomorph）的标本，并将其描述为 Bathylasma chilense sp. nov. 虽然这是在东太平洋发现的第二种深沟足贝类（bathylasmatid），第一种是 Tetrachaelasma southwardi Newman & Ross, 1971，但它不仅是已知的第一种，也是最深的 Bathylasma 物种（1800-2000 米）。它的发现使描述的 Bathylasma 物种数量增加到了 8 种，其中有 4 种是现存的。这是该地区记录的第三种深海藤壶类等足类动物，它可能代表了西风漂流动物群中的一个孤立种，或是来自西太平洋的移民，或是曾经广泛分布的古新世-始新世动物群的残余种，现在具有一个热带-亚热带成分。
