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Reevaluation and New Species of Kainonereis Chamberlin, 1919 (Annelida: Polychaeta: Nereididae)
Manuel Conde-Vela, Victor1; Wu, Xuwen2; Ignacio Salazar-Vallejo, Sergio1
2018-02-13
Source PublicationZOOLOGICAL STUDIES
ISSN1021-5506
Volume57Pages:24
Corresponding AuthorManuel Conde-Vela, Victor(victorconde2323@gmail.com)
AbstractKainonereis Chamberlin, 1919 was proposed to include only one species, K. alata, based on epitokes provided with elytriform structures in chaetigers 5-7. The species was thoroughly described and illustrated, but its unique features were enigmatic and the genus is currently regarded as taxon inquirendum. In order to have a better understanding of its diagnostic features and determine how this genus differs from similar ones, type material of K. alata and two other species bearing elytriform structures-Nicon polaris Hartman, 1967 and Rullierinereis elytrocirra Sun and Wu, 1979, including additional material from Gulf of California and Caribbean Sea-were examined. Because the K. alata type material is in good condition and the presence of elytriform structures in chaetigers 5-7 is confirmed, this paper regards it as a valid genus. Given that the elytriform structures, or dorsal discs, together with a set of diagnostic features, are consistent in structure and position in all epitokes examined, they are regarded as homologous structures delineating Kainonereis. Consequently, K. alata is redescribed, the new combinations K. polaris comb. n. and K. elytrocirra comb. n. are proposed and redescribed, and two new species are described: K. chamberlini sp. n. from the Caribbean Sea, and K. peltifera sp. n. from the Gulf of California. Also, the discovery of an atoke on K. polaris comb. n. allowed us to better distinguish Kainonereis from the similar genera Nicon Kinberg, 1865 and Rullierinereis Pettibone, 1971. A key to identifying all known Kainonereis species is also included.
KeywordEpitoky Sexual dimorphism Modified dorsal cirri Dorsal discs Polychaetes
DOI10.6620/ZS.2018.57-06
Indexed BySCI
Language英语
Funding ProjectCONACyT[586685]
WOS Research AreaZoology
WOS SubjectZoology
WOS IDWOS:000425372800001
PublisherBIODIVERSITY RESEARCH CENTER, ACAD SINICA
Citation statistics
Cited Times:1[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.qdio.ac.cn/handle/337002/158042
Collection海洋生物分类与系统演化实验室
Corresponding AuthorManuel Conde-Vela, Victor
Affiliation1.El Colegio Frontera Sur, Dept Ecol Acuat, Chetmal 77010, Quintana Roo, Mexico
2.Chinese Acad Sci, Inst Oceanol, Dept Marine Organism Taxon & Phylogeny, Qingdao 266071, Peoples R China
Recommended Citation
GB/T 7714
Manuel Conde-Vela, Victor,Wu, Xuwen,Ignacio Salazar-Vallejo, Sergio. Reevaluation and New Species of Kainonereis Chamberlin, 1919 (Annelida: Polychaeta: Nereididae)[J]. ZOOLOGICAL STUDIES,2018,57:24.
APA Manuel Conde-Vela, Victor,Wu, Xuwen,&Ignacio Salazar-Vallejo, Sergio.(2018).Reevaluation and New Species of Kainonereis Chamberlin, 1919 (Annelida: Polychaeta: Nereididae).ZOOLOGICAL STUDIES,57,24.
MLA Manuel Conde-Vela, Victor,et al."Reevaluation and New Species of Kainonereis Chamberlin, 1919 (Annelida: Polychaeta: Nereididae)".ZOOLOGICAL STUDIES 57(2018):24.
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