Its only known member is Paulamys naso a species endemic to Flores Island, Indonesia.

[2] Since Floresomys was preoccupied, Musser changed the name to Paulamys, after Verhoeven's life partner Paula Hamerlinck.

[2] It is recorded as common between 1,000 and 2,000 m above sea level on the volcanic mountain Gunung Ranakah, but is believed to be threatened by habitat destruction.

[4] The genera Papagomys, Komodomys and Paulamys are closer related to each other than to other murids, suggesting an adaptive radiation.

[5] It is a relatively small-sized species, with a body mass of around 100–200 grams (0.22–0.44 lb) It is suggested to be an omnivore, consuming fungus and invertebrates, and to engage in burrowing.