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A new species of Ligiarctus (Tardigrada, Arthrotardigrada) from the Brazilian continental shelf, Southwestern Atlantic Ocean

2017Journal article Restricted access
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dc.contributor.authorJúnior, Edivaldo Gomes
dc.contributor.authorSantos, Érika
dc.contributor.authorRocha, Clélia M. C. da
dc.contributor.authorSantos, Paulo J. P.
dc.contributor.authorFontoura, Paulo
dc.date.accessioned2018-07-05T14:38:00Z
dc.date.available2018-07-05T14:38:00Z
dc.date.issued2017
dc.description.abstractA new marine arthrotardigrade, Ligiarctus alatus sp. nov. found in sediments of the Brazilian continental shelf (100–150 m depth) in the Southwestern Atlantic Ocean, is described in this study. This new species was recorded from sites located in the major oil extraction basins in Brazil (Campos and Potiguar basins). Within the subfamily Floractinae, the genus Ligiarctus characteristically presents primary clavae bent backwards, occupying the reduced lateral edges of the head. The new species is clearly distinguishable from L. eastwardi, the only known species of the genus, by the presence of internal distal notches on all claws, and six aliform cuticular expansions (frontal ala, two anterolateral alae, two posterolateral alae and caudal ala) with continuous digitiform procuticular supports (caesti). Ligiarctus eastwardi has only a caudal ala without caesti and internal notches are present on external claws only. The same pattern of cuticular expansions and caesti exhibited by the new species also occurs in the genus Florarctus, increasing the difficulty of defining the taxonomy of the subfamily Florarctinae, and forcing the emendment of the generic diagnosis of Ligiarctus.pt_PT
dc.description.sponsorshipPetrobras S/A; Fundação para a Ciência e a Tecnologia (FCT); FACEPE (Fundação de Amparo à Ciência e Tecnologia do Estado de Pernambuco); Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPqpt_PT
dc.description.versioninfo:eu-repo/semantics/publishedVersionpt_PT
dc.identifier.citationMarine Biodiversity, 48(1), 5-12. Doi.: 10.1007/s12526-017-0709-0pt_PT
dc.identifier.doi10.1007/s12526-017-0709-0pt_PT
dc.identifier.issn18671616
dc.identifier.urihttp://hdl.handle.net/10400.12/6477
dc.language.isoengpt_PT
dc.peerreviewedyespt_PT
dc.publisherSpringer Verlagpt_PT
dc.relationIBPG-0648- 2.04/15pt_PT
dc.relationBEX 13580/13-2pt_PT
dc.relation306444/2014-3pt_PT
dc.rights.urihttp://creativecommons.org/licenses/by-nd/4.0/pt_PT
dc.subjectArthrotardigradapt_PT
dc.subjectFlorarctinaept_PT
dc.subjectLigiarctusalatus sp. novpt_PT
dc.subjectMeiobenthospt_PT
dc.subjectSublittoralpt_PT
dc.titleA new species of Ligiarctus (Tardigrada, Arthrotardigrada) from the Brazilian continental shelf, Southwestern Atlantic Oceanpt_PT
dc.typejournal article
dspace.entity.typePublication
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/5876/UID%2FMAR%2F04292%2F2013/PT
oaire.citation.conferencePlaceGermanypt_PT
oaire.citation.endPage12pt_PT
oaire.citation.issue1pt_PT
oaire.citation.startPage5pt_PT
oaire.citation.titleMarine Biodiversitypt_PT
oaire.citation.volume48pt_PT
oaire.fundingStream5876
project.funder.identifierhttp://doi.org/10.13039/501100001871
project.funder.nameFundação para a Ciência e a Tecnologia
rcaap.rightsrestrictedAccesspt_PT
rcaap.typearticlept_PT
relation.isProjectOfPublicationb45075bd-b8ca-49a6-bfec-2030828e7160
relation.isProjectOfPublication.latestForDiscoveryb45075bd-b8ca-49a6-bfec-2030828e7160

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