Rediscovering the unusual Cancellus makrothrix Stebbing, 1924 (Crustacea: Decapoda: Diogenidae) in the “Great African Seaforest”

Author:

LANDSCHOFF JANNESORCID,LEMAITRE RAFAELORCID

Abstract

The rare diogenid hermit crab Cancellus makrothrix Stebbing, 1924, previously known from only a few specimens collected a century ago from Algoa Bay, South Africa, has been found to be common in the kelp forest known as the “Great African Seaforest”, and rocky reefs, of False Bay, South Africa. This poorly known species, considered “aberrant” by some carcinologists, is one of 17 known in the genus Cancellus H. Milne Edwards, 1836, and the only of the genus known to occur in the coast of southern Africa. Cancelllus makrothrix lives in gastropod shells, whereas all other congenerics live in a variety of petricolous dwellings that are either excavated or worn away into cylindrical cavities. The newly collected material of C. makrothrix in South Africa, together with the study of historical museum specimens has made possible the detailed redescription and taxonomic discussion of this species presented herein, using full illustrations, photographs, and microCT scans. For future reference, the molecular CO1 genetic barcode is reported. A lectotype is selected from Stebbing’s original syntype material found to consist of two specimens: a female of which only several appendages remain, in the Natural History Museum, London, and a male, illustrated in the original description, in the Iziko South African Museum, Cape Town. Taxonomic remarks, comments on biological oddities, brief in situ and laboratory observations of live specimens, and a map summarizing the world distribution of species of Cancellus, are included.  

Publisher

Magnolia Press

Reference38 articles.

1. Barnard, K.H. (1950) Descriptive catalogue of South African decapod Crustacea (crabs and shrimps). Annals of the South African Museum, 38, 1–837.

2. Barnard, K.H. (1964) The work of the s.s. Pieter Faure in Natal waters, with special reference to the Crustacea and Mollusca; with descriptions of new species of Mollusca from Natal. Annals of the Natal Museum, 16, 9–29.

3. Day, J.H., Field, J.G. & Penrith, M.J. (1970) The benthic fauna and fishes of False Bay, South Africa. Transactions of the Royal Society of South Africa, 39 (1), 1–108. https://doi.org/10.1080/00359197009519103

4. Dechancé, M. (1963a) Sur des Paguristes littoraux de l’ouest de l’océan Indien: P. jousseaumei Bouvier, P. perspicax Nobili et P. abbreviatus sp. nov. Bulletin du Muséum national d’Histoire naturelle, Paris, Series 2, 35 (3), 291–301.

5. Dechancé, M. (1963b) Developpement direct chez un Paguride, Paguristes abbreviatus Dechancé, et remarques sur le développement des Paguristes. Bulletin du Muséum national d’Histoire naturelle, Paris, Series 2, 35 (5), 488–495.

同舟云学术

1.学者识别学者识别

2.学术分析学术分析

3.人才评估人才评估

"同舟云学术"是以全球学者为主线,采集、加工和组织学术论文而形成的新型学术文献查询和分析系统,可以对全球学者进行文献检索和人才价值评估。用户可以通过关注某些学科领域的顶尖人物而持续追踪该领域的学科进展和研究前沿。经过近期的数据扩容,当前同舟云学术共收录了国内外主流学术期刊6万余种,收集的期刊论文及会议论文总量共计约1.5亿篇,并以每天添加12000余篇中外论文的速度递增。我们也可以为用户提供个性化、定制化的学者数据。欢迎来电咨询!咨询电话:010-8811{复制后删除}0370

www.globalauthorid.com

TOP

Copyright © 2019-2024 北京同舟云网络信息技术有限公司
京公网安备11010802033243号  京ICP备18003416号-3