马来西亚，婆罗洲，沙巴西部Kokol山野蟹一新种，Isolapotamon seowi(短尾目，野蟹总科)

IF 0.6 4区生物学 Q4 MARINE & FRESHWATER BIOLOGY

Crustaceana Pub Date : 2023-02-22 DOI:10.1163/15685403-bja10264

P. Ng

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引用次数: 0

摘要

报道马来西亚婆罗洲沙巴西部淡水蟹属一新种(蟹科)。Isolapotamon seowi新种，是沙巴已知的第六种Isolapotamon，不同于其最近的同族，I. buntyae Ng, Low & Clark, 2022，来自婆罗洲东部，具有相对较低的甲壳，更皱褶的背甲壳表面，后嵴更锋利，与额缘近平行，相对较短的第四活动腿。雄性第一性腺足末端段略弯曲，远端突略长于远端突，与纵轴呈90°角。

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A new species of potamid crab, Isolapotamon seowi (Brachyura, Potamoidea) from Kokol Hill in western Sabah, Malaysia, Borneo

A new species of freshwater crab of the genus Isolapotamon Bott, 1968 (Potamidae) is described from western Sabah in Malaysian Borneo. Isolapotamon seowi new species, is the sixth species of Isolapotamon known from Sabah, and differs from its closest congener, I. buntyae Ng, Low & Clark, 2022, from eastern Borneo, in possessing a relatively lower carapace, a more rugose dorsal carapace surface, the postorbital cristae being sharper and subparallel with the frontal margin, relatively shorter fourth ambulatory legs, and the terminal segment of the male first gonopod is gently curved with the subdistal process slightly longer than the distal projection and angled at 90° to the longitudinal axis.

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来源期刊

Crustaceana 生物-海洋与淡水生物学

CiteScore

1.30

自引率

33.30%

发文量

审稿时长

3 months

期刊介绍： Crustaceana is a leading journal in the world on crustacean research, including the latest papers from all branches of zoology. It provides up-to-date information on aspects such as taxonomy, zoogeography, ecology, physiology, anatomy, genetics, palaeontology, and biometry, and covers all groups of Crustacea. Boasting a large international circulation, Crustaceana provides its readers with an abstract for each article.