Contributions to the taxonomy of Trachelyopterus (Siluriformes): comparative cytogenetic analysis in three species of Auchenipteridae Author Santos, Dayane Petik dos Universidade Estadual do Oeste do Paraná, Centro de Ciências Biológicas e da Saúde, R. Universitária, 1619, Universitário, 85819 - 170 Cascavel, PR, Brazil. (DPS) petikdayane @ gmail. com; (DF) denisefelicetti @ gmail. com; (LB) baumgartner. lb @ gmail. com; (VMP) vladimir. margarido @ unioeste. br; (RLL) roberto. lui @ unioeste. br (corresponding author) petikdayane@gmail.com Author Felicetti, Denise Universidade Estadual do Oeste do Paraná, Centro de Ciências Biológicas e da Saúde, R. Universitária, 1619, Universitário, 85819 - 170 Cascavel, PR, Brazil. (DPS) petikdayane @ gmail. com; (DF) denisefelicetti @ gmail. com; (LB) baumgartner. lb @ gmail. com; (VMP) vladimir. margarido @ unioeste. br; (RLL) roberto. lui @ unioeste. br (corresponding author) petikdayane@gmail.com Author Baumgärtner, Lucas Universidade Estadual do Oeste do Paraná, Centro de Ciências Biológicas e da Saúde, R. Universitária, 1619, Universitário, 85819 - 170 Cascavel, PR, Brazil. (DPS) petikdayane @ gmail. com; (DF) denisefelicetti @ gmail. com; (LB) baumgartner. lb @ gmail. com; (VMP) vladimir. margarido @ unioeste. br; (RLL) roberto. lui @ unioeste. br (corresponding author) petikdayane@gmail.com Author Margarido, Vladimir Pavan Universidade Estadual do Oeste do Paraná, Centro de Ciências Biológicas e da Saúde, R. Universitária, 1619, Universitário, 85819 - 170 Cascavel, PR, Brazil. (DPS) petikdayane @ gmail. com; (DF) denisefelicetti @ gmail. com; (LB) baumgartner. lb @ gmail. com; (VMP) vladimir. margarido @ unioeste. br; (RLL) roberto. lui @ unioeste. br (corresponding author) petikdayane@gmail.com Author Blanco, Daniel Rodrigues Universidade Tecnológica Federal do Paraná, Prolongamento da Rua Cerejeira, s / n, 85892 - 000 Santa Helena, PR, Brazil. danielrblanco @ utfpr. edu. br. Brazil.danielrblanco@utfpr.edu.br Author Moreira-Filho, Orlando Universidade Federal de São Carlos, Departamento de Genética e Evolução, Rodovia Washington LuÍs, Km 235, 13565 - 905 São Carlos, SP, Brazil. omfilho @ ufscar. br. Brazil.omfilho@ufscar.br Author Lui, Roberto Laridondo Universidade Estadual do Oeste do Paraná, Centro de Ciências Biológicas e da Saúde, R. Universitária, 1619, Universitário, 85819 - 170 Cascavel, PR, Brazil. (DPS) petikdayane @ gmail. com; (DF) denisefelicetti @ gmail. com; (LB) baumgartner. lb @ gmail. com; (VMP) vladimir. margarido @ unioeste. br; (RLL) roberto. lui @ unioeste. br (corresponding author) petikdayane@gmail.com text Neotropical Ichthyology 2021 e 200115 2021-03-31 19 1 1 12 http://dx.doi.org/10.1590/1982-0224-2020-0115 journal article 295842 10.1590/1982-0224-2020-0115 6d3309e7-1f62-4352-ae0b-3b1cbf4fa50e 1982-0224 10992653

TABLE 1 | Cytogenetic data in Auchenipteridae. FN: fundamental number; 2n: diploid number; Res.: Reservoir; m: metacentric; sm: submetacentric; st: subtelocentric; a: acrocentric; p: short arm; q: long arm; W: sex chromosome. References (Ref.): 1. Ravedutti, Júlio (2001); 2. Fenocchio et al. (2008); 3. Lui et al. (2015); 4. Lui et al. (2013a); 5. Kowalski et al. (2020); 6. Fenocchio, Bertollo (1992); 7. Lui et al. (2013b); 8. Lui et al. (2010); 9. Araújo, Molina (2013); 10. Present study.

Species	Locality	FN	2n	Karyotype formula	AgNORs/18S rDNA	5S rDNA	Ref.
Centromochlinae
Glanidium ribeiroi	Iguaçu River, Res. Salto Caxias, Paraná State	112	58	28m +16sm+10st+4a	pair 17, p, sm	-	1
	Iguaçu River, Res. Segredo, Paraná State	106	58	22m +16sm+10st+10a	pair 13, p sm	-	2
	Iguaçu River, Res. Salto Osório, Paraná State	106	58	22m +16sm+10st+10a	pair 13, p, sm	-	2
	Iguaçu River, Capanema, Paraná State	110	58	22m +20sm+10st+6a	pair 14, p, sm	pair 16, q, sm	3
Tatia neivai	Machado River, Denise, Mato Grosso State	116	58	26m +26sm+6st	pair 28, p, st	pair 4, p, sm / pair 21, p, sm pair 22, q, sm	4
Tatia jaracatia	Iguaçu River, Capanema, Paraná State	116	58	20m +26sm+12st	pair 28, p, st	pair 4, p, m / pair 18, p, sm pair 19, q, sm / pair 29, p, sm	4
Centromochlus heckelii	Solimões River, Manaus, Amazonas State	72	46	14m +6sm+6st+20a (♂) 15m +6sm+5st+20a (♀)	pair 20, p, a pair 13, p (W)	-	5
Auchenipterinae
Tympanopleura atronasus (cit. Ageneiosus atronasus)	Solimões River, Manaus, Amazonas State	100	56	16m +16sm+12st+12st	q, sm	-	6
Ageneiosus inermis (cit. Ageneiosus brevifilis)	Solimões River, Manaus, Amazonas State	102	56	20m +16sm+10st+10s	p, sm	-	6
	Araguaia River, Aragarças, Goiás State	108	56	32m +16sm+4st+4a	pair 20, p, sm	pair 4, p, m	7
Auchenipterus osteomystax (cit. Auchenipterus nuchalis)	Paraná River, Porto Rico, Paraná State	106	58	24m +14sm+10st+10a	pair 15, p, sm	-	1
Parauchenipterus galeatus	Paraná River, Porto Rico, Paraná State	98	58	22m +12sm+6st+18a	pair 23, p, a	-	1
	Paraná River, Três Lagoas, Mato Grosso do Sul State	108	58	24m +18sm+8st+8a	pair 25, p, st	pair 16, p, sm / pair 17, q, sm	8
	Piumhi River, Capitólio, Minas Gerais State	108	58	20m +16sm+14st+8a	pair 24, p, st	pair 15, p, sm / pair 16, q, sm	8
	São Francisco River, Lagoa da Prata, Minas Gerais State	108	58	22m +16sm+12st+8a	pair 23, p, st	pair 16, p, sm / pair 17, q, sm	8
	Pium River, Rio Grande do Norte State	108	58	24m +16sm+10st+8a	p, sm	-	9
	Araguaia River, Goiás State	108	58	20m +18sm+12st+8a	pair 23, p, st	pair 3, p, m	10
Parauchenipterus striatulus	Doce River, Minas Gerais State	106	58	18m +20sm+10st+10a	pair 23, p, st	pair 10, p, sm / pair 13, p, sm pair 15, q, sm	10
Trachelyopterus coriaceus	Araguaia River, Goiás State	108	58	20m +18sm+12st+8a	pair 24, p, st	pair 3, p, m / pair 16, q, sm	10