Potamotrygon amandae Loboda & Carvalho, 2013

Holotype: MZUSP 110910; adult female, 351 mm DW (cited as 341 mm DW in Loboda & Carvalho, 2013); (Fig. 10); Rio Paraguai, municipality subdistrict of Albuquerque, municipality of Corumbá, Mato Grosso do Sul state, Brazil, 19º41’S, 57º38’W; depth not listed; F. P. Marques, L. Marques, F. Reyda & W. Santana; 11 Dec 2003.

Notes: Cut on the right portion of the abdomen. Field no. BZ-07 [MS03].

Paratypes: MZUSP 110904: PR04-21; one adult male, 311 mm DW (approximately the same DW as cited in Loboda & Carvalho, 2013); Rio Paraná, municipality of Porto Primavera, S ã o Paulo state, Brazil, 22º47’S, 52º96’W; depth not listed; W. B. A. de Oliveira & G.C. Evangelista; 06 Apr 2004 .

Notes: Cut on the right portion of the abdomen. Skin patch removed for SEM.

MZUSP 110906: BZ-03[MS03]; one adult female, 298 mm DW (approximately the same DW as cited in Loboda & Carvalho, 2013); Rio Paraguai, subdistrict of Albuquerque, municipality of Corumbá, Mato Grosso do Sul state, Brazil, 19º41’S, 57º38’W; depth not listed; F. P. L. Marques et al.; 08 Dec 2003 .

Notes: Cut on right portion of the abdomen. Skin patch removed for SEM.

MZUSP 110907: BZ-04[MS03]; one adult female, 260 mm DW (cited as 270 mm DW in Loboda & Carvalho, 2013); Rio Paraguai, subdistrict of Albuquerque, municipality of Corumbá, Mato Grosso do Sul state, Brazil, 19º41’S, 57º38’W; depth not listed; F. P. L. Marques et al.; 08 Dec 2003 .

Notes: Digestive tract removed. Cut on right portion of the abdomen. Tail broken. Caudal stinger medially broken. Liver removed.

MZUSP 110909: BZ-06[MS03]; adult female, 290 mm DW (same DW as cited in Loboda & Carvalho, 2013); Rio Paraguai, subdistrict of Albuquerque, municipality of Corumbá, Mato Grosso do Sul State, Brazil, 19º41’S, 57º38’W; depth not listed; F. P. L. Marques et al.; 10 Dec 2003 .

Notes: Digestive tract removed. Cut on right portion of abdomen region. Bite scar on right dorsal margin of disc. Skin patch removed for SEM.

MZUSP 110913: BZ-11[MS03]; one adult female, 258 mm DW (approximately the same DW as cited in Loboda & Carvalho, 2013); Rio Paraguai, subdistrict of Albuquerque, municipality of Corumbá, Mato Grosso do Sul State, Brazil, 19º41’S, 57º38’W; depth not listed; F. P. L. Marques et al.; 12 Dec 2003 .

Notes: Digestive tract removed. Cut on right portion of abdomen. Slight circular damage on left portion of ventrolateral surface.

MZUSP 111916: BZ-15[MS03]; one adult male, 262 mm DW (approximately the same DW as cited in Loboda & Carvalho, 2013); Rio Paraná, subdistrict of Jupiá, municipality of Três Lagoas, State of Mato Grosso do Sul, Brazil, 20º79’S, 51º65’W; depth not listed; F. P. L. Marques et al.; 15 Dec 2003 .

Notes: Cut on right portion of abdominal cavity. Small skin damage on the right dorsal disc.

MZUSP 111917: BZ-17[MS03]; one juvenile male, 216 mm DW (approximately the same DW as cited in Loboda & Carvalho, 2013); Rio Paraná, subdistrict of Jupiá, municipality of Três Lagoas, Mato Grosso do Sul State, Brazil, 20º79’S, 51º65’W; depth not listed; F. P. L. Marques et al.; 15 Dec 2003 .

Notes: Digestive tract removed. Bite scar on posterior left margin of disc. Cut on upper left portion of disc.

MZUSP 111919: BZ-35[MS03]; one adult female, 242 mm DW (cited as 236 mm DW in Loboda & Carvalho, 2013); Rio Paraná, subdistrict of Jupiá, municipality of Três Lagoas, Mato Grosso do Sul State, Brazil, 20º79’S, 51º65’W; depth not listed; F. P. L. Marques et al.; 16 Dec 2003 .

Notes: Longitudinal cut on dorsal pre-caudal region. Digestive tract removed.

MZUSP 111920: BZ-37[MS03]; one adult male, 259 mm DW (approximately the same DW as cited in Loboda & Carvalho, 2013); Rio Paraná, subdistrict of Jupiá, municipality of Três Lagoas, Mato Grosso do Sul State, Brazil, 20º79’S, 51º65’W; depth not listed; F. P. L. Marques et al.; 17 Dec 2003 .

Notes: Four bite scars on the margin of the disc: two small ones anteriorly and posteriorly on the right side, and two large ones on left posterior portion. Cut on right portion of abdomen.

MZUSP 111921: BZ-43[MS03]; one adult female, 309 mm DW (approximately the same DW as cited in Loboda & Carvalho, 2013); Rio Paraná, municipality Jupiá, municipality of Três Lagoas, Mato Grosso do Sul State, Brazil, 20º79’S, 51º65’W; depth not listed; F. P. L. Marques et al.; 17 Dec 2003 .

Notes: Cut on right portion of abdomen. Superficial damage on left posterodorsal surface.

MZUSP 111923: BZ-51[MS03]; one juvenile female, 201 mm DW (approximately the same DW as cited in Loboda & Carvalho, 2013); Rio Paraná, subdistrict of Jupiá, municipality of Três Lagoas, Mato Grosso do Sul State, Brazil, 20º79’S, 51º65’W; depth not listed; F. P. L. Marques et al.; 16 Dec 2003 .

Notes: Digestive tract removed. Cut on the right portion of abdomen.

MZUSP 111925: BZ-55[MS03]; one juvenile male, 200 mm DW (approximately the same DW as cited in Loboda & Carvalho, 2013); Rio Paraná, subdistrict of Jupiá, municipality of Três Lagoas, Mato Grosso do Sul State, Brazil, 20º79’S, 51º65’W; depth not listed; F. P. L. Marques et al.; 17 Dec 2003 .

Notes: Tip of the rostrum slightly damage. Tail broken. Incision on right portion of abdomen.