Fruiting body a stalked or sessile sporangium, often unitied into clusters or occasionally aggregated to suggest a pseudoaethalium. Sporotheca obovate, pyriform to subcylindrical. Stalk short or sometimes exceeding the height of the sporotheca. Hypothallus red, usually contiguous for a group of sporangia. Peridium thick, cartilaginous, tough, each individual sporangium dehiscent by a preformed operculum. Capillitium consisting of free elaters, these unbranched, bearing prominent, strongly developed spines. Spores and capillitium deep orange-red to crimson in mass.
Six species have been described for this genus (Lado 2001), and two of these are known from New Zealand.