[1] It is unique as an arboreal spider that constructs trapdoors in the bark of trees.

In 1928, Candido Mello-Leitão changed the species name back to Typhochlaena seladonia, but Andrew Smith (in 1993) changed it to Iridopelma seladonia, and then Lina Almeida-Silva changed it to Iridopelma seladonium.

Rogèrio Bertani finally changed the name back to Typhochlaena seladonia in 2012.

[1] The female Typhochlaena seladonia has long, thin spermathecae, which are spiralled distally.

Additionally, both genders have a greenish cephalothorax and a black dorsum with two row of six spots, the posterior pair being reddish and all others being yellowish.