Table 2 in A taxonomic and morphological redescription of Potamotrygon falkneri Castex & Maciel, 1963 (Chondrichthyes: Myliobatiformes: Potamotrygonidae)

Table 2. Morphometric data of Potamotrygon falkneri from the upper Amazon basin. Data are expressed in millimeters and percentages of disc width (% DW). SD = Standard deviation. MeasurementsnRangeMeanSDmm%DW%DW%DWTotal length10522-815174.6-202.3187.58.6Disc length10234-488103.7-113.0108.23.4Disc width10225-432---Interorbital space1023-5810.2-13.512.30.9Interspiracular space1038-7616.6-18.917.50.7Eye length1012-263.9-8.75.81.4Spiracle length1024-397.4-10.79.01.1Sting length1061-9620.0-30.623.73.1Sting width106-91.6-2.62.00.3Preorbital length1055-11123.3-27.525.31.4Prenasal length1042-8115.3-18.916.91.2Preoral length1056-11021.2-25.623.51.4Internarial space1019-387.7-9.38.40.6Mouth width1024-478.5-11.710.21.1st Space between 1 branchial slits1055-11123.2-26.224.51.1Space between 5 th branchial slits1036-8016.0-19.717.71.1Branchial basket length1029-6812.9-16.415.11.1Pelvic fin length1047-10420.7-27.324.22.3Pelvic fin width10108-26048.0-67.458.16.1Clasper external edge length1038-6011.3-14.413.51.2Clasper internal edge length1029-11112.9-26.723.74.9Cloaca to tail tip10196-40668.5-110.293.512.7Tail width1030-9513.3-25.417.83.3Snout to cloaca10190-39184.4-92.589.22.7Pectoral axil to posterior edge of pelvic fin1029-7112.3-17.414.72.0Cloaca to sting10150-27650.3-64.356.34.5