Table 5 in A taxonomic and morphological redescription of Potamotrygon falkneri Castex & Maciel, 1963 (Chondrichthyes: Myliobatiformes: Potamotrygonidae)
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Table 5. Meristic data of Potamotrygon sp. (río Madre de Díos, Peru). SD = Standard deviation. CountsnRangeMeanSDPrecaudal vertebrae527-3229.41.8Caudal vertebrae592-10398.24.3Total vertebrae5123-132127.84.1Diplospondylous vertebrae492-10096.03.7Upper tooth rows436-4439.53.3Lower tooth rows433-4537.55.3Propterygial radials542-4442.40.9Mesopterygial radials514-1513.80.4Metapterygial radials534-3635.01.2Total pectoral radials590-9391.21.3Pelvic radials (male)521-2221.20.4
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2025-12-09



