Potamotrygon jabuti Carvalho, 2016 Holotype: MZUSP 105023; adult female, 439 mm DW (cited as 453 mm DW in Carvalho, 2016a); (Fig. 12); Rio Jamanxim, Tapajós basin, near Novo Progresso, Pará State, Brazil, 07°09'30"S, 55°25'55"W; depth not listed; M. R. de Carvalho et al.; 14 Sep 2005. Notes: Cut on the right portion of abdomen. Incision between gill openings. Field no. MT 05-28. Paratypes: MZUSP 25578; one adult female, 421 mm DW; Igarapé Uruá or Boa Vista, left bank afluent, Rio Tapajós, next to bridge at km 62 of highway BR 230, Pará State, Brazil, 04°30'S, 56°15'W; depth not listed; J. C. Oliveira; 31 Jan 1979. Notes: Perforation posterior to right spiracle, trespassing entire specimen; DW not provided in original publication. MZUSP 103920: TJ05-37; one adult female, 468 mm DW (approximately the same DW as cited in Carvalho, 2016a); Comunidade Pimental, mouth of igarapé Ponto Frio, right margin of Rio Tapajós, Pará State, Brazil, 4°33'05"S, 56°16'43"W; depth not listed; M. R. de Carvalho et al.; 10 Oct 2005. MZUSP 103921: TJ05-38; one adult male, 376 mm DW; Comunidade Pimental, mouth of igarapé Ponto Frio, right margin of Rio Tapajós, Pará State, Brazil, 4°33'05"S, 56°16'43"W; depth not listed; M. R. de Carvalho et al.; 10 Oct 2005. Notes: End of tail broken. DW not provided in Carvalho (2016a), TL provided instead (current TL 663 mm, cited as 693 mm TL). MZUSP 105002: MT 05-05; one adult female, 422 mm DW (approximately the same DW as cited in Carvalho, 2016a); near Pousada Santa Rosa, left bank of Rio Teles Pires, Rio Tapajós, Mato Grosso State, Brazil, 08°46'45"S, 57°27'55"W; depth not listed; M. R. de Carvalho et al.; 02 Dec 2005. Notes: Two skin samples (anteriorly and posteriorly to eyes) removed for SEM. Skin partially removed close to branchial region, with a cut on the right portion of abdomen. MZUSP 105011: MT 05-15; one adult male, 389 mm DW (approximately the same DW as cited in Carvalho, 2016a); near Pousada Santa Rosa, left bank of Rio Teles Pires, Rio Tapajós, Mato Grosso State, Brazil, 08°46'45"S, 57°27'55"W; depth not listed; M. R. de Carvalho et al.; 05 Dec 2005. Notes: Skin sampled removed for SEM analysis. End of tail removed. Terminal end of sting broken. MZUSP 105013; one juvenile male, 288 mm DW; near Pousada Santa Rosa, left bank of Rio Teles Pires, Rio Tapajós, Mato Grosso State, Brazil, 08°46'45"S, 57°27'55"W; depth not listed; M. R. de Carvalho et al.; 06 Dec 2005. Notes: Incision anteriorly on the right side of dorsal surface, close to clasper and dorsal to pelvic fin insertion. Two ventral incisions: one between gill openings and one on right portion of abdomen. DW not provided in Carvalho (2016a). MZUSP 105038: MT 05-43; one subadult male, 312 mm DW (approximately the same DW as cited in Carvalho, 2016a); Rio Jamanxim, Rio Tapajós basin, near Novo Progresso, Pará State, Brazil, 07°09'30"S, 55°25'55"W; depth not listed; M. R. de Carvalho et al.; 14 Dec 2005. Notes: DW not provided in Carvalho (2016a). MZUSP 105040: MT 05-45; one adult female, 345 mm DW (approximately the same DW as cited in Carvalho, 2016a); Rio Jamanxim, Tapajós basin, near Novo Progresso, Pará State, Brazil, 07°09'30"S, 55°25'55"W; depth not listed; M. R. de Carvalho et al.; 14 Dec 2005. Notes: Small incision on the right portion of abdomen. Skin patch detached on right side of mouth.

Published as part of Lima, Arthur De, Loboda, Thiago Silva, Gianeti, Michel Donato, Silva, João Paulo Capretz Batista Da & Pinna, Mario De, 2023, Type specimens of Elasmobranchii in the Museu de Zoologia da Universidade de São Paulo (MZUSP), pp. 301-332 in Zootaxa 5296 (3) on pages 315-316, DOI: 10.11646/zootaxa.5296.3.1, http://zenodo.org/record/7983829