The sporangium are sessile or occasionally a short plasmodiocarp with a capillitium consisting of solid threads, either coiled and hair-like, or nearly straight and attached to the sporangial walls, that is smooth or with minute markings never forming a network.

Sporangia sessile; sporangial wall translucent; capillitium a profuse coil of hair-like, nearly simple, solid threads, with indistinct attachments to the sporangial wall.