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A new Northeast Asian Lynceus (Crustacea: Branchiopoda: Laevicaudata) with uniquely modified thoracopods and an evaluation of DNA barcoding for clam shrimp species identification

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A new Northeast Asian Lynceus (Crustacea: Branchiopoda: Laevicaudata) with uniquely modified thoracopods and an evaluation of DNA barcoding for clam shrimp species identification

dc.contributor.author	Sigvardt, Zandra M. S.
dc.contributor.author	Shu, Shusen
dc.contributor.author	Alonso, Miguel
dc.contributor.author	Ventura, Marc
dc.contributor.author	Sanoamuang, La-orsri
dc.contributor.author	Rogers, D. C.
dc.contributor.author	Palero Pastor, Ferran
dc.contributor.author	Olesen, Jørgen.
dc.date.accessioned	2021-04-09T07:08:27Z
dc.date.available	2021-04-09T07:08:27Z
dc.date.issued	2020
dc.identifier.citation	Sigvardt, Zandra M. S. Shu, Shusen Alonso, Miguel Ventura, Marc Sanoamuang, La-orsri Rogers, D. C. Palero Pastor, Ferran Olesen, Jørgen. 2020 A new Northeast Asian Lynceus (Crustacea: Branchiopoda: Laevicaudata) with uniquely modified thoracopods and an evaluation of DNA barcoding for clam shrimp species identification Nauplius 28
dc.identifier.uri	https://hdl.handle.net/10550/78557
dc.description.abstract	A new species of smooth clam shrimp (Branchiopoda: Laevicaudata) from Mongolia and China is described here based on both morphological and genetic differences. The new species, Lynceus grossipedia n. sp., has unique features, including asymmetrically modified male thoracopods (left side thoracopods III-VI), male claspers 'movable finger' (=endopod) with delicate setation, and broad, bicarinate male and female rostrum. Lynceus grossipedia n. sp. is compared with the genera Paralimnetis and Lynceiopsis and a recently described Lynceus from China, also showing modified male thoracopods. Lynceus mandsuricus is declared nomen inquirendum. DNA barcoding is commonly used for speeding up species identification and systematics, but it has not been applied on smooth clam shrimp taxonomy yet. In order to explore the usefulness of DNA barcoding for smooth clam shrimps, we generated new cytochrome c oxidase (COX1) data for 10 Lynceus species. Previous Laevicaudata sequences in Genbank were scarce (~50) and biased, with 62% (n=31) being assigned to a single taxon (i.e., Lynceus macleayanus) and 28% (n=14) not assigned to species. Based on the addition of new barcoding data and the comparison with Genbank data for other clam shrimps, we could conclude that there is a similar distance threshold (=barcoding gap) between species of all three suborders (Spinicaudata, Cyclestherida, and Laevicaudata).
dc.language.iso	eng
dc.relation.ispartof	Nauplius, 2020, vol. 28
dc.subject	Zoologia
dc.subject	Artròpodes
dc.subject	Zoologia Classificació
dc.title	A new Northeast Asian Lynceus (Crustacea: Branchiopoda: Laevicaudata) with uniquely modified thoracopods and an evaluation of DNA barcoding for clam shrimp species identification
dc.type	journal article	es_ES
dc.date.updated	2021-04-09T07:08:27Z
dc.identifier.doi	10.1590/2358-2936e2020013
dc.identifier.idgrec	143604
dc.rights.accessRights	open access	es_ES