cribraria cribraria cribraria is a genus of slime molds from the group of myxogastria. it comprises about 30 species, some of which are extremely difficult to distinguish. cribraria cribraria argillacea scientific classification (unranked): amoebozoa infraphylum: mycetozoa class: myxogastria order: liceida family: cribrariaceae genus: cribrariapers. (1794) type species cribraria rufescenspers. (1794) synonyms dictydium schrad. (1797) heterodictyon rostaf. (1873) features the fruiting bodies are usually pedunculated sporangia, a calyculus may be present or absent. the delicate peridium is reduced to a structure of vertical, thickened threads that are interconnected by extremely fine, translucent transverse threads. in some cases, however, the peridium may also appear like a net, as in cribraria - species. mostly dark, clearly visible dictydine granules are found especially close to the ribs of the peridia, the calyculus and the spores. distribution the genus is distributed worldwide, about two-thirds of the species are, however, ch. many of their species are common in the respective distribution areas. systematics and research history the genus was first described in 1794 by christiaan hendrik persoon, type species is cribraria rufescens . the genus includes at least 30 species, including: species cribraria angulospora cribraria argillacea cribraria atrofusca cribraria aurantiaca cribraria cancellata cribraria confusa cribraria costata cribraria cribrarioides cribraria dictyospora cribraria elegans cribraria enodis cribraria exigua cribraria ferruginea cribraria filiformis cribraria fragilis cribraria intricata cribraria irregularis cribraria languescens cribraria laxa cribraria lepida cribraria macrocarpa cribraria macrospora cribraria macrostipitata cribraria martinii cribraria media cribraria meylanii cribraria microcarpa cribraria minutissima cribraria mirabilis cribraria oregana cribraria paucicostata cribraria paucidictyon cribraria persoonii cribraria pertenuis cribraria piriformis cribraria purpurea cribraria rubiginosa cribraria rufa cribraria rutila cribraria splendens cribraria stellifera cribraria tecta cribraria tenella cribraria violacea cribraria vulgaris cribraria zonatispora