Descriptions of new and rare crabs associated with coral rubble and sponges from Kanyakumari, southeastern Arabian Sea, southern India (Decapoda: Brachyura: Epialtidae and Pilumnidae)

Author:

NG PETER K. L.ORCID,PREMA MANIORCID,RAVICHANDRAN SAMUTHIRAPANDIANORCID

Abstract

Three new brachyuran crab species are described from coral rubble and sponges collected in the southern Indian state of Tamil Nadu. The epialtid, Acanthophrys keeae n. sp., was obtained from coral rubble and is the first species from the genus reported from the Indian Ocean. It is most similar to A. costatus Griffin & Tranter 1986, from eastern Australia, but can be distinguished by the proportionately longer postorbital spine, more strongly granulated gastric region, relatively less inflated and narrower branchial region, sinuous outer margin of the basal antennal article which has the median part concave, almost smooth merus of the cheliped, more elongate male anterior thoracic sternum, more triangular male pleon, and the distal two-thirds of the male first gonopod being almost straight. The pilumnid, Latopilumnus ajmali n. sp., was found in the sponge, Callyspongia (Cladochalina) diffusa (Ridley, 1884), and is characterised by its carapace and pereiopods being covered by a relatively dense coat of short setae with only scattered simple long setae, and the dorsal carapace surface being almost smooth with the regions poorly demarcated. Vellumnus intonsus n. sp. (Pilumnidae) was present in coral rubble, is morphologically most similar to V. penicillatus (Gordon, 1930) (Hong Kong) and V. pygmaeus Takeda, 1977 (Japan) but can be separated by the lateral lobule of the front being separated from the frontal lobes by a deep cleft, the more prominently convex supraorbital margin, triangular external orbital tooth, presence of larger granules on the cheliped carpus and chela, and the distal part of the male first gonopod is proportionately stouter and distinctly hooked.  

Publisher

Magnolia Press

Reference51 articles.

1. Balss, H. (1933) Beitrage zur kenntnis der Gattung Pilumnus (Crustacea, Dekapoda) und verwandter Gattungen. Capita Zoologica, 4 (3), 1–47.

2. Balss, H. (1938) Die Dekapoda Brachyura von Dr. Sixten Bocks Pazifik-Expedition 1917–1918. Göteborgs Kungliga Vetenskaps-och Vitterhets-Samhälles Handlingar, Femte Följden, Series B, 5 (7), 1–85, figs. 1–18, pls. 1, 2.

3. Castro, P. (2013) Brachyuran crabs (Crustacea, Brachyura: Crossotonotidae, Ethusidae, Euryplacidae, Goneplacidae, Latreilliidae, Palicidae, Tetraliidae, Trapeziidae) of the MAINBAZA, MIRIKI (sic.), and ATIMO VATAE expeditions to the Mozambique Channel and Madagascar. In: Chan, T.-Y., Ng, P.K.L. & Ahyong, S. (Eds.), Tropical Deep-Sea Benthos. Vol. 27. Mémoires du Muséum national d’Histoire naturelle, Paris, 204, 437–466.

4. Castro, P. (2015) Symbiotic Brachyura. In: Castro, P., Davie, P.J.F., Guinot, D., Schram, F.R. & von Vaupel Klein, J.C. (Eds.), Treatise on zoology – anatomy, taxonomy, biology, Decapoda: Brachyura. The Crustacea. Vol. 9C-I. Brill, Leiden, pp. 543–581. https://doi.org/10.1163/9789004190832_012

5. Dana, J.D. (1851) On the classification of the majoid Crustacea or Oxyrhyncha. American Journal of Science, Series 2, 11 (33), 425–434.

Cited by 1 articles. 订阅此论文施引文献 订阅此论文施引文献,注册后可以免费订阅5篇论文的施引文献,订阅后可以查看论文全部施引文献

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