在墨西哥湾北部新发现的一种天螺(头足纲:天螺科:天螺科)

IF 1.5 4区地球科学 Q3 MARINE & FRESHWATER BIOLOGY

Bulletin of Marine Science Pub Date : 2022-01-01 DOI:10.5343/bms.2021.0048

H. Judkins, L. Rose-Mann, A. Lindgren, M. Taite, S. Bush, M. Vecchione

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引用次数: 1

摘要

目前公认的有效种属只有两种——1907年的菲费利Helicocranchia pfefferi Massy和1987年的乳头状Helicocranchia papillata Nesis。该属分布于全球热带和亚热带地区，深度可达1000米(Voss 1980)。在DEEPEND项目期间，我们在墨西哥湾北部收集了Helicocranchia标本(墨西哥湾深海浮游生物动力学;采样2015-2018年)和北大西洋西部在两次不同的研究巡航期间。标本的物理检查发现与已知物种在外部色素沉着和形态上的差异。对标本中COI基因的分子分析也揭示了物种水平的差异。本文对目前的分类进行了综述，并描述了一种新的螺旋果属植物。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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A newly discovered Helicocranchia species (Cephalopoda: Cranchiidae: Taoniinae) in the northern Gulf of Mexico

Only two species of Helicocranchia—Helicocranchia pfefferi Massy, 1907 and Helicocranchia papillata Nesis, 1987—are currently accepted as valid. The genus is found globally in tropical and subtropical regions at depths to >1000 m (Voss 1980). We collected Helicocranchia specimens in the northern Gulf of Mexico during the DEEPEND project (Deep Pelagic Nekton Dynamics of the Gulf of Mexico; sampling 2015–2018) and from the western North Atlantic Ocean during two different research cruises. Physical examination of specimens found differences from recognized species in external pigmentation and in the morphology of the gladius rostrum. Molecular analysis of the COI gene in the specimens also revealed species-level differences. This study reviews current taxonomy and describes a new Helicocranchia species.

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来源期刊

Bulletin of Marine Science 地学-海洋学

CiteScore

2.90

自引率

6.70%

发文量

审稿时长

6-12 weeks

期刊介绍： The Bulletin of Marine Science is a hybrid open access journal dedicated to the dissemination of research dealing with the waters of the world’s oceans. All aspects of marine science are treated by the Bulletin of Marine Science, including papers in marine biology, biological oceanography, fisheries, marine policy, applied marine physics, marine geology and geophysics, marine and atmospheric chemistry, meteorology, and physical oceanography. In most regular issues the Bulletin features separate sections on new taxa, coral reefs, and novel research gear, instrument, device, or system with potential to advance marine research (“Research Tools in Marine Science”). Additionally, the Bulletin publishes informative stand-alone artwork with accompany text in its section "Portraits of Marine Science."