The list for Rio de Janeiro ..
http://floradobrasil.jbrj.gov....
Anthurium aduncum: can't find photos.
Anthurium augustinum: if correct, not a match.
https://mariarina.wordpress.co...
Anthurium binotii : photo on Flora do Brasil, doesn't match.
Anthurium bragae: photo on site, no match.
Anthurium comtum: photo on site, no match
Anthurium coriaceum: photo on site, no match
Anthurium eichleri: no photo but I found a description on a site with species! It is terrestrial, and leaves narrow, 60-70cm long, the description 'could' fit.
http://araceae.e-monocot.org/t...
Found specimens .. the leaf base probably doesn't match.
http://science.mnhn.fr/institu...
Anthurium galeotti: description doesn't fit.
http://araceae.e-monocot.org/t...
Anthurium harrisii: not a match ..
http://allesingruen.board-4you...
http://plantillustrations.org/...
http://plantillustrations.org/...
Anthurium inconspicuum: no match
http://science.mnhn.fr/taxon/s...
http://science.mnhn.fr/taxon/g...
Anthurium intermedium: photo on site not a match
Anthurium langsdorffii: photo on site not a match
Anthurium laucheanum: specimen not a match, but the shape is similar to your other plant!
http://science.mnhn.fr/institu...
http://science.mnhn.fr/all/lis...
http://araceae.e-monocot.org/t...
I have to take a rest at this point!