The genus Aspidosiphon Diesing, 1851 (Sipuncula: Aspidosiphonidae): description of a new shell dwelling species, notes on Aspidosiphon (Paraspidosiphon) laevis de Quatrefages, 1866 and current status from India

IF 1.5 4区地球科学 Q3 MARINE & FRESHWATER BIOLOGY Bulletin of Marine Science Pub Date : 2023-01-01 DOI:10.5343/bms.2022.0055

S. Dixit, Itzahí Silva-Morales, N. Saravanane

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Abstract

Sipuncula is one of the most taxonomically neglected groups of marine invertebrates in Indian waters. Research on these worms has been stagnant for the last three decades as there are no sipunculan taxonomists in India. The current work is an attempt to resurrect taxonomic research on Indian Sipuncula fauna by describing the first new Sipuncula species from Indian seas. A new molluscan shell dwelling species, Aspidosiphon (Akrikos) carnicobarensis sp. nov., is described from Car Nicobar Island, India collected from 205 m depth. The new species is characterized by the presence of scattered unidentate hooks, a thick and well-developed anal shield with deep grooves, flattened papillae on the trunk, and warts on the posterior trunk. Aspidosiphon (Paraspidosiphon) laevis de Quatrefages, 1866 is reported along with the first colored photographs from India and notes about its taxonomic status. The paper additionally reviews the present status of all the species in the genus Aspidosiphon from India, revising them in accordance with the current classification.

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吸血蛭属，1851(吸血蛭科:吸血蛭科):一种新的壳栖种的描述，1866年印度吸血蛭(拟吸血蛭)laevis de Quatrefages的注释及现状

Sipuncula是印度水域中最被忽视的海洋无脊椎动物群之一。对这些蠕虫的研究在过去的三十年里一直停滞不前，因为印度没有瓢虫分类学家。目前的工作是试图通过描述来自印度洋的第一个新的Sipuncula物种来复活印度Sipuncula动物群的分类研究。本文报道了印度Car Nicobar岛205 m深海中发现的一种新的贝壳类软体动物Aspidosiphon (Akrikos) carnicobarensis sp. nov.。这个新物种的特点是存在着分散的、无法辨认的钩，一个厚而发育良好的肛门盾，有深沟槽，躯干上有扁平的乳头，后躯干上有疣。报道了1866年在印度发现的第一批彩色照片，并对其分类地位作了说明。此外，本文还对来自印度的蜘蛛属所有种的现状进行了综述，并根据目前的分类对其进行了修订。

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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."