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Unmasking hidden species diversity within the Ramazzottius oberhaeuseri complex, with an integrative redescription of the nominal species for the family Ramazzottiidae (Tardigrada : Eutardigrada : Parachela)
Unmasking hidden species diversity within the Ramazzottius oberhaeuseri complex, with an integrative redescription of the nominal species for the family Ramazzottiidae (Tardigrada : Eutardigrada : Parachela)
Unmasking hidden species diversity within the Ramazzottius oberhaeuseri complex, with an integrative redescription of the nominal species for the family Ramazzottiidae (Tardigrada : Eutardigrada : Parachela)
pl
dc.type
JournalArticle
pl
dc.description.physical
357-376
pl
dc.description.additional
Bibliogr. s. 374-376
pl
dc.abstract.en
Outdated and inaccurate original descriptions of species nominal for genera or species complexes give birth to notorious difficulties in species identification and often translate into erroneous classifications of multiple species as one. This, in turn, results in severe overestimations of specific geographic ranges and ultimately in underestimations of the diversity of organisms living on our planet. Tardigrades, ubiquitous microscopic metazoans exhibiting relatively few taxonomically useful traits, bear many such problematic species. In this paper, we investigated, morphologically and molecularly, 10 European populations of Ramazzottius cf. oberhaeuseri (Doy ere, 1840), a putatively cosmopolitan nominal species for the family Ramazzottiidae. The analysis of COI sequences revealed eight potential species, including one from Paris, the type locality of R. oberhaeuseri, which we used to integratively redescribe the nominal taxon. The identification of seven further species in a handful of samples collected from a single continent explicitly shows the considerable undescribed species diversity within this group and puts in question the cosmopolitan distribution of R. oberhaeuseri. The integrative redescription of R. oberhaeuseri opens the opportunity for descriptions of other species in the complex.
pl
dc.subject.en
COI
pl
dc.subject.en
cosmopolitism
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dc.subject.en
crypsis
pl
dc.subject.en
geographic distribution
pl
dc.subject.en
Ramazzottius oberhaeuseri
pl
dc.subject.en
species delineation
pl
dc.subject.en
specific ITS-2 primers
pl
dc.subject.en
tardigrades
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dc.description.volume
16
pl
dc.description.number
4
pl
dc.identifier.doi
10.1080/14772000.2018.1424267
pl
dc.identifier.eissn
1478-0933
pl
dc.title.journal
Systematics and Biodiversity
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dc.language.container
eng
pl
dc.affiliation
Wydział Biologii : Instytut Zoologii i Badań Biomedycznych
pl
dc.subtype
Article
pl
dc.rights.original
bez licencji
pl
.pointsMNiSW
[2018 A]: 30
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