Plesiotrygon iwamae Rosa, Castello & Thorson, 1987 MZUSP 14789 Paratype
sex: male
age: juvenile
length: 226 mm DL
date vessel station: 01.1977, R/V Alpha Helix
location: Lago Januaca, Rio Solimões, Amazonas, Brazil
latitude: 03°25'S
longitude: 60°17'W
FAO-area: 03
specimens: 1
Plesiotrygon iwamae Rosa, Castello & Thorson, 1987 MZUSP 10153 Holotype
sex: male
age: adult
length: 1365 mm TL, 585 mm DL, 560 mm DW
date vessel station: 03.10.1981, coll. H. Britski
location: Rio Solimões, near Tefé, Amazonas, Brazil
latitude: 03°22'S
longitude: 64°43'W
FAO-area: 03
specimens: 1