Silva, Camila F.; Seixas, Victor C.; Barroso, Rômulo; Di Domenico, Maikon; Amaral, Antonia C. Z.; Paiva, Paulo C. (2017). Demystifying the Capitella capitata complex (Annelida, Capitellidae) diversity by morphological and molecular data along the Brazilian coast. PLOS ONE. 12(5): e0177760.

299745

10.1371/journal.pone.0177760 [view]

urn:lsid:zoobank.org:pub:7C72C6E6-F616-4A60-87D7-C2239F03AB14 [view]

Silva, Camila F.; Seixas, Victor C.; Barroso, Rômulo; Di Domenico, Maikon; Amaral, Antonia C. Z.; Paiva, Paulo C.

2017

12(5): e0177760

Publication

http://journals.plos.org/plosone/article/citation?id=10.1371/journal.pone.0177760

World Polychaeta Database (WPolyDb)

The sibling species of Capitella capitata are globally known for their tolerance to disturbed habitats and the C. capitata complex is often used as an ecological indicator. A recent re-description proposed that C. capitata, originally described in Greenland is restricted to the Arctic and Subarctic regions. Given their ecological relevance, we conducted a morphological and molecular analyses based on mtDNA sequences to investigate the diversity and distribution of the C. capitata complex along the Brazilian coast. Our morphological and molecular data were congruent and revealed the existence of four new species distinct from C. capitata, collected from the type locality. This study is the first characterization of the biodiversity and distribution of Capitella species made along the Brazilian coast and yielded a set of morphological characters corroborated by the mtDNA sequences for species identification. Our results increase the biodiversity of the genus along the Brazilian coast by describing four new species (Capitella aracaensis sp. n., Capitella biota sp. n., Capitella neoaciculata sp. n. and Capitella nonatoi sp. n.). One species was collected from only one sampling site, while the others are distributed along the coast.

Brazil

Systematics, Taxonomy

Annelida

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