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Title:A new genus and two new species of cave-dwelling cyclopoids (Crustacea, Copepoda) from the epikarst zone of Thailand and up-to-date keys to genera and subgenera of the Bryocyclops and Microcyclops groups
Authors:ID Boonyanusith, Chaichat (Author)
ID Sanoamuang, La-orsri (Author)
ID Brancelj, Anton (Author)
Files:URL URL - Source URL, visit http://www.europeanjournaloftaxonomy.eu/index.php/ejt/article/view/560
 
.pdf PDF - Presentation file, download (4,90 MB)
MD5: 84B74306F52947A92806EC55438DFB86
 
URL URL - Source URL, visit http://dx.doi.org/10.5852/ejt.2018.431
 
Language:English
Typology:1.01 - Original Scientific Article
Organization:Logo NIB - National Institute of Biology
Abstract:Two obligate cave-dwelling species of cyclopoid copepods (Copepoda, Cyclopoida) were discovered inside caves in central Thailand. Siamcyclops cavernicolus gen. et sp. nov. was recognised as a member of a new genus. It resembles Bryocyclops jankowskajae Monchenko, 1972 from Uzbekistan (part of the former USSR). It differs from it by (1) lack of pointed triangular prominences on the intercoxal sclerite of the fourth swimming leg, (2) mandibular palp with three setae, (3) spine and setal formulae of swimming legs 3.3.3.2 and 5.5.5.5, respectively, and (4) specific shape of spermatophore. Metacyclops thailandicus sp. nov. resembles M. cushae Reid, 1991 from Louisiana (USA). It differs from it by (1) distal segment of the endopod of the fourth swimming leg with one apical spine, (2) the fifth swimming legs with one broad segment, (3) the spine formula of the distal segment of the exopod of the swimming legs 3.4.3.3, and (4) well developed anal operculum reaching articulation with caudal rami. Detailed descriptions of the habitats of the new species and up-to-date keys to the genera and subgenera of the Bryocyclops and Microcyclops groups are provided, along with an updated list of obligate groundwater species of Copepoda in Southeast Asia.
Keywords:Siamcyclops cavernicolus gen. et sp. nov., Metacyclops thailandicus sp. nov., stygobionts, groundwater environment, epikarstic drip
Publication status:Published
Publication version:Version of Record
Publication date:05.03.2018
Year of publishing:2018
Number of pages:str. 1-30
Numbering:Vol. 431
PID:20.500.12556/DiRROS-19984 New window
UDC:595.34
ISSN on article:2118-9773
DOI:10.5852/ejt.2018.431 New window
COBISS.SI-ID:4689999 New window
Note:Nasl. z nasl. zaslona; Opis vira z dne 9. 5. 2018;
Publication date in DiRROS:01.08.2024
Views:303
Downloads:303
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Record is a part of a journal

Title:European Journal of Taxonomy
Shortened title:Eur. J. Taxon.
Publisher:MNHN
ISSN:2118-9773
COBISS.SI-ID:523773465 New window

Document is financed by a project

Funder:ARIS - Slovenian Research and Innovation Agency
Project number:P1-0255-2017
Name:Združbe, interakcije in komunikacije v ekosistemih

Funder:Other - Other funder or multiple funders
Funding programme:Strategic Scholarships for Frontier Research Network

Licences

License:CC BY 3.0, Creative Commons Attribution 3.0 Unported
Link:https://creativecommons.org/licenses/by/3.0/deed.en
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