sentences:  The relationships of this species were unclear and it was considered "incertae sedis" within "Hyla", until and colleagues concluded in 2013 that Ruthven's "Hyla helenae" is the same species as "Osteocephalus germani" described by Ron and colleagues in 2012 and that the correct name for this taxon is "Osteocephalus helenae".Based on the type series of "Osteocephalus germani", adult males measure about and adult females about in snout–vent length.The snout is truncate but may sometimes be rounded in females.