1998
DOI: 10.1071/it97021
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Retrovescus, a new genus of opisthogastric earthworm from Tasmania

Abstract: The earthworm genus Retrovescus, gen. nov. isestablished to accommodate four uncommon species with distributions restrictedto the north-west of Tasmania. The type species isRetrovescus plomleyi, sp. nov., two other species arenewly described while the fourth, R. capensis (Jamieson,1974), is redescribed and errors in the original account are corrected. A keyis provided. Characteristic traits, all apomorphies, are perichaetine setae,tubulo-racemose prostates, avesiculate meroic nephridia and opisthogastry (thede… Show more

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Cited by 6 publications
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“…Drawida has undergone extensive radiation in India with 72 species listed by Blakemore (2007) but its greatest concentration (43 species) is found in the Western Ghats (Stephenson 1923, Gates 1945). Within the Western Ghats, the genus has an important centre of speciation in the southernmost state of Kerala, most species being endemic; there are 16 species, ten of which are endemic (Narayanan et al 2016).…”
Section: Discussionmentioning
confidence: 99%
See 1 more Smart Citation
“…Drawida has undergone extensive radiation in India with 72 species listed by Blakemore (2007) but its greatest concentration (43 species) is found in the Western Ghats (Stephenson 1923, Gates 1945). Within the Western Ghats, the genus has an important centre of speciation in the southernmost state of Kerala, most species being endemic; there are 16 species, ten of which are endemic (Narayanan et al 2016).…”
Section: Discussionmentioning
confidence: 99%
“…It is noteworthy that Kerala also possesses about 40% of earthworm species found in the Western Ghats that constitute India’s mega earthworm diversity area with 200 species (Julka and Paliwal 2005, Julka et al 2009, Narayanan et al 2016) of the 505 species from the Indian region (Blakemore 2007). …”
Section: Introductionmentioning
confidence: 99%
“…Taxonomic identifications follow keys and classifications in Sims & Easton (1972) updated by Blakemore (2000Blakemore ( , 2008aBlakemore ( , 2012a. New specimens in 80% EtOH are lodged in the NT Museum and provided small tissue samples for mtDNA COI barcoding with preliminary analysis via NCBI-BLAST (Altshul et al 1990) compared using MEGA6 (Tamura et al 2013).…”
Section: Methodsmentioning
confidence: 99%
“…Two specimens are described below belonging to a pheretimoid ( Pheretima auct.) group of Oriental origin that provides approximately 970 valid species from 1,200 nominal taxa (Blakemore 2008a). Amynthas Kinberg, 1867 is the most diverse of the pheretimoid genera with some species common to Korea and Japan where faunal totals both approach 100 megadrile earthworm taxa (Blakemore 2003, 2008b, c, 2012c, d).…”
Section: Introductionmentioning
confidence: 99%