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Kinorhyncha from the Caribbean, with the description of two new species from Puerto Rico and Barbados

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Cepeda Gómez, Diego and Pardos Martínez, Fernando and Sánchez Santos, Nuria (2019) Kinorhyncha from the Caribbean, with the description of two new species from Puerto Rico and Barbados. Zoologischer Anzeiger, 282 . pp. 127-139. ISSN 0044-5231

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Official URL: https://www.sciencedirect.com/science/article/pii/S0044523119300658



Abstract

Two new kinorhynch species from Puerto Rico (Greater Antilles) and Barbados (Lesser Antilles) are described herein from Dr R. P. Higgins' unexamined Caribbean meiofaunal samples, which have been stored in the Smithsonian Institution collections. The species from Puerto Rico, Cristaphyes cornifrons sp. nov., belongs to the class Allomalorhagida, whereas the species from Barbados, Echinoderes barbadensis sp. nov., belongs to the class Cyclorhagida. C. cornifrons sp. nov. is easily distinguished from most of its congeners by the presence of lateral terminal spines and the absence of male, sexually dimorphic, ventromedial tubes on segment 2, as only other two species of the genus lack these features. Of these, C. cornifrons sp. nov. may be easily differentiated by its pattern of paradorsal, ventrolateral and ventromedial setae. E. barbadensis sp. nov. is unique among its congeners by the combined presence of middorsal spines on segments 4e8, lateroventral spines on segments 6e9, lateral accessory tubes on segment 8, lateroventral tubes on segment 5, ventrolateral tubes on segment 2 and type 2 glandular cell outlets in subdorsal position on segment 2 and in midlateral position on segment 4.


Item Type:Article
Uncontrolled Keywords:Kinorhynchs; Biodiversity; Meiofauna; Morphology; Taxonomy
Subjects:Medical sciences > Biology > Invertebrates
ID Code:57555
Deposited On:04 Nov 2019 15:13
Last Modified:04 Nov 2019 15:13

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