[MEGAPRIAPUS UNGRIAI (GRACIA-RODRIGO 1960) N. GEN. (PALAEACANTHOCEPHALA) PARASITE OF A VENEZUELAN FRESH WATER STING-RAY (POTAMOTRYGON HYSTRIX)].
D000049:Acanthocephala; D000818:Animals; D005399:Fishes; D005618:Fresh Water; D006376:Helminths; D010271:Parasites; D046328:Porcupines; D012106:Research; D014687:Venezuela
EXPERIMENTAL LAB STUDY; FISHES; HELMINTHS; VENEZUELA
MEGAPRIAPUS UNGRIAI (GRACIA-RODRIGO 1960) N. GEN. (PALAEACANTHOCEPHALA) PARASITE D'UNE PASTENAGUE D'EAU DOUCE DU V'EN'EZU'ELA (POTAMOTRYGON HYSTRIX)