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Unexpected systematic affinities and geographic expansion of a marine alien hydroid (Cnidaria: Hydrozoa)
Song, Xikun1,2,3; Lyu, Mingxin1; Bernhard, Ruthensteiner4; Wang, Jianjun5; Gravili, Cinzia6,7
2019-04-04
Source PublicationSYSTEMATICS AND BIODIVERSITY
ISSN1477-2000
Pages15
Corresponding AuthorSong, Xikun(xksong@xmu.edu.cn) ; Gravili, Cinzia(cinzia.gravili@unisalento.it)
AbstractBiological systematics provides taxonomic information and expertise for biogeography and biological invasion research and management. However, the systematic classification of most taxa, including some alien and invasive species, relies only on morphology. This applies for example to Sertularella tongensis Stechow, 1919 (Cnidaria: Sertulariidae), an alien hydrozoan recently reported in the Mediterranean. Its genus affiliation is still unclear and controversial. Historically, it has been assigned to several existing genera. However, molecular data (COI, 16S, 18S, 28S) provided here do not support these previous assignments. Instead, integrative analyses combining morphological and molecular data support reassigning this species to a new genus, Bicaularia gen. nov. A biogeographic review revealed that this species is widely distributed in the mid- and low-latitude waters of the Indo-Pacific region, and is spreading to some tropical and temperate regions including the Mediterranean and Caribbean Seas, as well as Korea and Japan. This expansion may be attributable to human activity such as shipping through the Suez and the Panama Canals. However, the new record attached to a floating Sargassum algal fragment in the surface water of the open Pacific, might suggest a neglected cryptic spread pathway with the assistance of floating biological organisms. Our findings shed light on the complexity of the phylogeny and spread pathway of the investigated hydrozoan species. We regard the fine systematics as the first step towards future global sampling for molecular studies aiming to elucidate the origins and pathways for alien and invasive species. : pub: 45AB0849-1E3B-477FB643-1B3B4603C1FF
KeywordAlien and invasive species floating macro-algae global spread molecular phylogeny fine systematics
DOI10.1080/14772000.2019.1583690
Indexed BySCI
Language英语
Funding ProjectNational Natural Science Foundation of China[41876180] ; China Postdoctoral Science Foundation[2018T110647] ; China Postdoctoral Science Foundation[2018M632579] ; Outstanding Postdoctoral Scholarship from the State Key Laboratory of Marine Environmental Science at XMU
WOS Research AreaBiodiversity & Conservation ; Life Sciences & Biomedicine - Other Topics
WOS SubjectBiodiversity Conservation ; Biology
WOS IDWOS:000466679400001
PublisherTAYLOR & FRANCIS LTD
Citation statistics
Document Type期刊论文
Identifierhttp://ir.qdio.ac.cn/handle/337002/161268
Collection中国科学院海洋研究所
Corresponding AuthorSong, Xikun; Gravili, Cinzia
Affiliation1.Xiamen Univ, Coll Ocean & Earth Sci, State Key Lab Marine Environm Sci, South Xiangan Rd, Xiamen 361102, Peoples R China
2.Chinese Acad Sci, Inst Oceanol, 7 Nanhai Rd, Qingdao 266071, Shandong, Peoples R China
3.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
4.Zool Staatssammlung Munchen ZSM SNSB, Munchhausenstr 21, D-81247 Munich, Germany
5.Third Inst Oceanog, Minist Nat Resources, 178 Daxue Rd, Xiamen 361005, Peoples R China
6.Univ Salento, Dipartimento Sci & Tecnol Biol & Ambientali, I-73100 Lecce, Italy
7.Consorzio Nazl Interuniv Sci Mare, CoNISMa, I-00196 Rome, Italy
First Author AffilicationInstitute of Oceanology, Chinese Academy of Sciences
Corresponding Author AffilicationInstitute of Oceanology, Chinese Academy of Sciences
Recommended Citation
GB/T 7714
Song, Xikun,Lyu, Mingxin,Bernhard, Ruthensteiner,et al. Unexpected systematic affinities and geographic expansion of a marine alien hydroid (Cnidaria: Hydrozoa)[J]. SYSTEMATICS AND BIODIVERSITY,2019:15.
APA Song, Xikun,Lyu, Mingxin,Bernhard, Ruthensteiner,Wang, Jianjun,&Gravili, Cinzia.(2019).Unexpected systematic affinities and geographic expansion of a marine alien hydroid (Cnidaria: Hydrozoa).SYSTEMATICS AND BIODIVERSITY,15.
MLA Song, Xikun,et al."Unexpected systematic affinities and geographic expansion of a marine alien hydroid (Cnidaria: Hydrozoa)".SYSTEMATICS AND BIODIVERSITY (2019):15.
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