fyrrispurninni
Fyrrispurninni is a fictional genus of bioluminescent, cave-dwelling invertebrates created for speculative fiction and role-playing game settings. In the in-universe taxonomy, it belongs to a family called Fyrrispurninnidae and is described as small, segmented creatures with a soft body and several light-emitting bands along the torso. Individual specimens are typically under a few centimeters in length, with filaments that can be extended during signaling.
Habitat and ecology are described variably across works. The fyrrispurninni are said to inhabit networked limestone
Life cycle descriptions also vary by source. Some depictions show direct development from egg to juvenile without
Etymology notes indicate that the name is a constructed term from fictional linguistic roots intended to evoke