IOCAS-IR  > 海洋生物分类与系统演化实验室
Taxonomy and phylogeny of mud owls (Annelida: Sternaspidae), including a new synonymy and new records from the Southern Ocean, North East Atlantic Ocean and Pacific Ocean: challenges in morphological delimitation
Drennan, Regan1; Wiklund, Helena1; Rouse, Greg W.2; Georgieva, Magdalena N.1; Wu, Xuwen3; Kobayashi, Genki4; Yoshino, Kenji5; Glover, Adrian G.1
2019-12-01
Source PublicationMARINE BIODIVERSITY
ISSN1867-1616
Volume49Issue:6Pages:2659-2697
Corresponding AuthorDrennan, Regan(regan.drennan5@gmail.com)
AbstractSpecies delimitation in sternaspid polychaetes is currently based on the morphology of a limited suite of characters, namely characters of the ventro-caudal shield-a unique feature of the family. Sternaspid species description has increased rapidly in recent years; however, the validity of the shield as a diagnostic character has not been assessed through molecular means. This study performs the largest molecular taxonomy of Sternaspidae to date, using the nuclear gene 18S, and the mitochondrial genes 16S and cytochrome oxidase subunit I (COI) to assess phylogenetic relationships within the family, to reassess the placement of Sternaspidae within the wider polychaete tree and to investigate the effectiveness of the shield as a diagnostic morphological character. This study includes many new records and reports Sternaspis affinis Stimpson, 1864 from USA Pacific coastline and genetic connectivity between specimens identified as Sternaspis cf. annenkovae Salazar-Vallejo & Buzhinskaja, 2013 from off southeastern Australia and specimens identified as Sternaspis cf. williamsae Salazar-Vallejo & Buzhinskaja, 2013 from the northwestern Pacific. In addition, we investigate material identified as Sternaspis cf. scutata (Ranzani, 1817) in the English Channel and compare with S. scutata through both molecular and morphological means. We further perform a detailed morphological and molecular investigation of new sternaspid material collected from the Southern Ocean and Antarctic Peninsula and regard Sternaspis monroi Salazar-Vallejo, 2014 syn. n. as a junior synonym of Sternaspis sendalli Salazar-Vallejo, 2014, two species recently described from the region, raising questions concerning the validity of current morphological delimitation.
KeywordPolychaeta Sternaspis Morphological characters 18S 16S COI
DOI10.1007/s12526-019-00998-0
Indexed BySCI
Language英语
WOS Research AreaBiodiversity & Conservation ; Marine & Freshwater Biology
WOS SubjectBiodiversity Conservation ; Marine & Freshwater Biology
WOS IDWOS:000501242900015
PublisherSPRINGER HEIDELBERG
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Document Type期刊论文
Identifierhttp://ir.qdio.ac.cn/handle/337002/163883
Collection海洋生物分类与系统演化实验室
Corresponding AuthorDrennan, Regan
Affiliation1.Nat Hist Museum, Life Sci Dept, London SW7 5BD, England
2.Univ Calif San Diego, Scripps Inst Oceanog, 9500 Gilman Dr 0202, La Jolla, CA 92093 USA
3.Chinese Acad Sci, Inst Oceanol, Lab Marine Organism Taxon & Phylogeny, Qingdao 266071, Shandong, Peoples R China
4.Kyoto Univ, Field Sci Educ & Res Ctr, Seto Marine Biol Lab, 459 Shirahama, Nishimura, Wakayama 6492211, Japan
5.Natl Inst Minamata Dis, 4058-18 Hama, Minamata, Kumamoto 8760008, Japan
Recommended Citation
GB/T 7714
Drennan, Regan,Wiklund, Helena,Rouse, Greg W.,et al. Taxonomy and phylogeny of mud owls (Annelida: Sternaspidae), including a new synonymy and new records from the Southern Ocean, North East Atlantic Ocean and Pacific Ocean: challenges in morphological delimitation[J]. MARINE BIODIVERSITY,2019,49(6):2659-2697.
APA Drennan, Regan.,Wiklund, Helena.,Rouse, Greg W..,Georgieva, Magdalena N..,Wu, Xuwen.,...&Glover, Adrian G..(2019).Taxonomy and phylogeny of mud owls (Annelida: Sternaspidae), including a new synonymy and new records from the Southern Ocean, North East Atlantic Ocean and Pacific Ocean: challenges in morphological delimitation.MARINE BIODIVERSITY,49(6),2659-2697.
MLA Drennan, Regan,et al."Taxonomy and phylogeny of mud owls (Annelida: Sternaspidae), including a new synonymy and new records from the Southern Ocean, North East Atlantic Ocean and Pacific Ocean: challenges in morphological delimitation".MARINE BIODIVERSITY 49.6(2019):2659-2697.
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