Fujiwara Yoshihiro, Jimi Naoto, Sumida Paulo Y G, Kawato Masaru
Department of Marine Biodiversity Research, Japan Agency for Marine-Earth Science and Technology, 2-15 Natsushima-cho, Yokosuka, Kanagawa 237-0061, Japan.
Department of Natural History Sciences, Graduate School of Science, Hokkaido University, N10 W8, Sapporo 060-0810, Japan.
Zookeys. 2019 Jan 8(814):53-69. doi: 10.3897/zookeys.814.28869. eCollection 2019.
A new species of bone-eating annelid, , found in a sunken whale carcass at a depth of 4,204 m at the base of the São Paulo Ridge in the South Atlantic Ocean off the Brazilian coast is described. The organism was retrieved using the human-occupied vehicle during the QUELLE 2013 expedition. This is the 26 species of the genus and the first discovery from the South Atlantic Ocean, representing the deepest record of worldwide to date. This species morphologically resembles but is distinguished by the presence of a yellow bump or patch behind the prostomium and its trunk length. Molecular phylogenetic analysis using three genetic markers (, , and ) showed that is distinct from all other worms reported and is a sister species of .
描述了一种新的食骨环节动物，在巴西海岸外南大西洋圣保罗海岭底部4204米深处的一具沉没鲸鱼尸体中被发现。该生物是在2013年“QUELLE”探险期间使用载人潜水器打捞上来的。这是该属的第26个物种，也是在南大西洋的首次发现，代表了迄今为止该属在全球的最深记录。该物种在形态上类似于[未提及具体物种名]，但在前口节后面有一个黄色肿块或斑块以及其躯干长度可将其区分开来。使用三种遗传标记（[未提及具体标记名]）进行的分子系统发育分析表明，[未提及具体物种名]与所有其他已报道的[未提及具体物种名]蠕虫不同，是[未提及具体物种名]的姐妹物种。
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