in Tucker & Harris, Bryologist 83, 1: 12 (1980).

Basionym: Porina nucula var. heterospora Fink, in Hedrick, Mycologia 25(4): 308 (1933).

Thallus: Data lacking. Spores fusiform-clavate, ca. 90 x 18 mm, including a thick gelatinous sheat and are about 14-celled (Sipman & Wolf 1998: 23).