NDLI: Descriptions of two new species of Rhizorhina Hansen, 1892 (Copepoda: Siphonostomatoida: Nicothoidae) parasitic on tanaidacean crustaceans, with a note on their phylogenetic position

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Descriptions of two new species of Rhizorhina Hansen, 1892 (Copepoda: Siphonostomatoida: Nicothoidae) parasitic on tanaidacean crustaceans, with a note on their phylogenetic position

Content Provider	Semantic Scholar
Author	Kakui, Keiichi
Copyright Year	2015
Abstract	Two new species of nicothoid copepod are described. Rhizorhina ohtsukai n. sp. found on a leptocheliid (Leptochelia sp.) collected at depths of 151–136 m in the North Pacific Ocean is most similar to Rhizorhina aesthetes Boxshall & Harrison, 1988 but can be distinguished by the possession of a narrower body with a rounded anterior end, and in the position of the gonopores. Rhizorhina soyoae n. sp. found on an apseudid (Fageapseudes sp.) collected at depths of 1,595–1,557 m in East China Sea most closely resembles Rhizorhina tanaidaceae Gotto, 1984 but differs in having a narrower body with a rounded anterior end. Partial nucleotide sequences of the cytochrome c oxidase subunit I (COI) gene were obtained from the two copepods in order to enable future barcoding. A phylogenetic reconstruction based on the 18S rRNA gene placed the copepods within the Siphonostomatoida Burmeister, 1835, with the nicothoid Choniosphaera maenadis (Bloch & Gallien, 1933), and separate from the Rhizorhina spp. clade, suggesting that the family Nicothoidae Dana, 1849 is not monophyletic. This is the third report of copepods parasitic on tanaidacean crustaceans.
Starting Page	57
Ending Page	68
Page Count	12
File Format	PDF HTM / HTML
DOI	10.1007/s11230-015-9604-x
PubMed reference number	26739287
Journal	Medline
Volume Number	93
Alternate Webpage(s)	https://eprints.lib.hokudai.ac.jp/dspace/bitstream/2115/63931/1/Descriptions%20of%20two%20new%20species%20of%20Rhizorhina%20Hansen.pdf
Alternate Webpage(s)	https://doi.org/10.1007/s11230-015-9604-x
Journal	Systematic Parasitology
Language	English
Access Restriction	Open
Content Type	Text
Resource Type	Article

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