2018
DOI: 10.1016/j.ympev.2018.02.021
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Complex taxonomy of the ‘brush tail’ peregrine earthworm Pontoscolex corethrurus

Abstract: Pontoscolex corethrurus is the most widespread earthworm species in tropical and sub-tropical zones and one of the most studied in soil science. Although, ecological interactions of P. corethrurus with its environment are well documented, the taxonomic status of the species remains unclear. In this study, we investigated phylogenetic relationships within the genus Pontoscolex, in particular focusing on morphologically indistinguishable (i.e., cryptic) lineages. A total of 792 specimens collected from 25 differ… Show more

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Cited by 33 publications
(40 citation statements)
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“…This suggests that the four P . corethrurus ecotypes described by Taheri et al [47] are likely the result of the selective forces imposed by cultivation, agricultural practices, and industrial and urban activities [20]. In the present study, soil in the habitat for B .…”
Section: Discussionmentioning
confidence: 53%
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“…This suggests that the four P . corethrurus ecotypes described by Taheri et al [47] are likely the result of the selective forces imposed by cultivation, agricultural practices, and industrial and urban activities [20]. In the present study, soil in the habitat for B .…”
Section: Discussionmentioning
confidence: 53%
“…corethrurus in Mexico. Until now, only two ecotypes have been recorded [47] and the criptic linage used in this study corresponds to L1 (the most widespread). The origin of P .…”
Section: Discussionmentioning
confidence: 99%
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“…This pan-tropical earthworm is believed to have originated from the Guayana Shield in South America (Righi 1984) which includes Guyana, Suriname, French Guiana, most of Southern Venezuela, as well as parts of Colombia and Brazil. A recent phylogenetic study using two mitochondrial (cytochrome c oxidase I and 16S-rDNA genes) and two nuclear (internal transcribed spacer 2 and 28S-rDNA) markers, in addition to a large-scale multilocus sequence, revealed the high complexity of the genus Pontoscolex (Taheri et al 2018a). The commonly treated as a unique entity P. corethrurus was shown to correspond to a complex of four distinct species (i.e., defined as L1, L2, L3 and L4).…”
Section: Introductionmentioning
confidence: 99%
“…Mitochondrial markers, in particular, sometimes reveal distinct clusters of individuals within a genetically diverse but morphologically coherent assemblage of specimens, but testing such clusters as species hypotheses (putative cryptic species) in a standardised manner is not trivial. Methodological advances in species delimitation, e.g., approaches based on the multi-species coalescent (see [6,7]) have been successfully incorporated in several studies on species delimitation in clitellate annelids e.g., [8][9][10][11][12]. A precise determination of species boundaries is important, not just for our understanding of the diversity of species, but also for their conservation e.g., [13][14][15].…”
Section: Introductionmentioning
confidence: 99%