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Cotylidia

Scientific classification

Kingdom:	Fungi
Subkingdom:	Dikarya
Phylum:	Basidiomycota
Subphylum:	Agaricomycotina
Class:	Agaricomycetes
Order:	Hymenochaetales
Family:	Repetobasidiaceae
Genus:	Cotylidia

Cotylidia is a fungal genus characterized by small to moderately sized, white to palely yet brightly colored, stalked, fan-shaped to funnel-shaped fruitbodies [1][2]with a smooth to wrinkled hymenium, tissues composed of monomitic hyphae, basidia producing smooth, nonamyloid spores, the absence of clamp connections, and bearing projectng cylindrical, thin-walled, hymenial cystidia. The genus is classified in the Hymenochaetales^[1]^[2]^[3], however the type species, C. undulata has not yet been sequenced molecularly using DNA. Phylogenetically related agaricoid fungi to the two species of Cotylidia thus far sequenced are in the genera Rickenella, Contumyces, Gyroflexus, Loreleia, Cantharellopsis and Blasiphalia, and Cyphellostereum^[4] and the clavaroid genus, Alloclavaria.

The ecological status of Cotylidia remains unresolved. They fruit on soil or plant debris, sometimes on burn sites or among bryophytes. The culture characteristics are unknown.

Additional recommended knowledge

Etymology

Derived from Greek and meaning "small cup" in reference to the flutted glass shape.

References

^ Redhead, S.A. et al. (2002). "Phylogeny of agarics: partial systematics solutions for bryophilous omphalinoid agarics outside of the Agaricales (euagarics)". Mycotaxon 82: 151-168.
^ Larsson, K.-H. et al. (2004). "High phylogenetic diversity among corticioid homobasidiomycetes". Mycol. Res. 108: 983-1002.
^ Reid, D.A. (1965). "A monograph of the stipitate stereoid fungi". Beih. Nova Hedwigia 18: 1-382.
^ Larsson, K.-H. et al. (2006 [2007]). "Hymenochaetales: a molecular phylogeny for the hymenochaetoid clade". Mycologia 98 (6): 926-936.