The Polana (Polanana) sana species group consists of eight species. Included are: P. (P.) sana DeLong (=P. (P.) santana DeLong and Foster, new synonym), P. (P.) tropica DeLong and Triplehorn, and six new species, P. (P.) ordinaria, P. (P.) brevis, P. (P.) declivata, P. (P.) diplota, P. (P.) minima, and P. (P.) ancistra. Polana (P.) sana is now known from Bolivia, Brazil, Colombia and Peru, P. (P.) tropica and P. (P.) brevis are known from Colombia and Peru, and the other five species are only known from Colombia.
