👉 Fissurellidea is a genus of fungi in the family Flesulinaceae, which are known for their unique appearance and function as decomposers. They have been classified into two families: Fissurellidae and Sclerotiumides. These genera include various species that produce spores, particularly those with a large number of hyphae, which is crucial in the process of decomposition. Fissurellidea are known for their ability to create extensive decompositions