Kalmar "Hymenomycetes" tana nufin nau'in nau'i na fungi wanda ke samar da spores a saman jikin 'ya'yan itace, wanda yawanci mai siffar laima ne ko kuma yana da saman. Membobin wannan ajin sun haɗa da nau'ikan namomin kaza da aka sani da yawa, da kuma wasu nau'ikan naman gwari iri-iri, kamar su fungi na bracket, fungi ɓawon burodi, da jelly fungi. Sunan "Hymenomycetes" ya fito ne daga kalmomin Helenanci "hymen," ma'ana sirara mai laushi, da "mykes," ma'ana naman gwari.