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Table 1

Oligochaeta occurrence from the Middle Iguaçu River over the years (2012–2014).

TAXA YEARS
2012 2013 2014
Naididae
Tubificinae
Aulodrilus sp. (Bretscher, 1899) X X
Aulodrilus pigueti (Kowalewski, 1914) X
Bothrionieurum sp. (Stolc, 1888) X
Branchiura sowerbyi (Beddard, 1892) X X
Limnodrilus hoffmeisteri (Claparede, 1862) X X X
Limnodrilus udekemianus (Claparede, 1862) X X X
Limnodrilus claparedianus (Ratzel, 1868) X X X
Limnodrilus sp. X X
Paranadrilus descolei (Gavrilov, 1955) X X X
Naidinae
Allonais sp. (Sperber, 1948) X
Bratislavia sp. (Kosel, 1976) X
Dero digitata (Muller, 1773) X
Dero sawayai (Marcus, 1943) X
Dero (Aulophorus) furcatus (Muller, 1773) X
Dero sp.1(Oken, 1815) X X
Dero sp. 2 (Oken, 1815) X
Nais elinguis (Muller, 1773) X
Nais pardalis (Piguet, 1906) X
Nais variabilis (Piguet, 1906) X
Nais sp. (Muller, 1773) X X
Pristina breviseta (Bourne, 1891) X X X
Pristina macrochaeta (Stephenson, 1931) X
Pristina proboscidea (Beddard,1896) X X X
Pristina synclites (Stephenson, 1925) X X
Pristina sp. (Ehrenberg, 1828) X X X
Pristinella jenkinae (Stephenson, 1931) X
Pristinella minuta (Stephenson, 1914) X
Pristinella sp. (Brinkhurst, 1985) X X X
Slavina sp. (Vejdovsky, 1883) X
Stephensoniana tandy (Harman, 1975) X
Stephensoniana trivandrana (Aiyer, 1926) X
Stephensoniana sp. (Cernosvitov, 1938) X
Narapidae
Narapa bonettoi (Righi & Varela, 1983) X X X
Enchytraeidae
Achaeta sp. (Vejdovsky, 1877) X
Alluroididae
Brinkhurstia americanus (Brinkhurst, 1964) X X

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