''Cotylidia'' is a fungal

genus Genus ( plural genera ) is a taxonomic rank used in the biological classification of extant taxon, living and fossil organisms as well as Virus classification#ICTV classification, viruses. In the hierarchy of biological classification, genus com ...

characterized by small to moderately sized, white to palely yet brightly colored, stalked, fan-shaped to funnel-shaped fruit bodie

https://web.archive.org/web/20070821184454/http://www.fungaljungal.org/family_pages/Cotylidia.htm] with a smooth to wrinkled

hymenium The hymenium is the tissue layer on the hymenophore of a fungal fruiting body where the cells develop into basidia or asci, which produce spores. In some species all of the cells of the hymenium develop into basidia or asci, while in others some ...

, tissues composed of monomitic

hypha A hypha (; ) is a long, branching, filamentous structure of a fungus, oomycete, or actinobacterium. In most fungi, hyphae are the main mode of vegetative growth, and are collectively called a mycelium. Structure A hypha consists of one or ...

e, basidia producing smooth,

nonamyloid In mycology a tissue or feature is said to be amyloid if it has a positive amyloid reaction when subjected to a crude chemical test using iodine as an ingredient of either Melzer's reagent or Lugol's solution, producing a blue to blue-black stai ...

spores, the absence of clamp connections, and bearing projecting cylindrical, thin-walled, hymenial cystidia. The genus is classified in the

Hymenochaetales The Hymenochaetales are an order of fungi in the class Agaricomycetes. The order in its current sense is based on molecular research and not on any unifying morphological characteristics. According to one 2008 estimate, the Hymenochaetales con ...

, however the

type species In zoological nomenclature, a type species (''species typica'') is the species name with which the name of a genus or subgenus is considered to be permanently taxonomically associated, i.e., the species that contains the biological type specimen ...

, ''C. undulata'' has not yet been sequenced.

Phylogenetically In biology, phylogenetics (; from Greek φυλή/ φῦλον [] "tribe, clan, race", and wikt:γενετικός, γενετικός [] "origin, source, birth") is the study of the evolutionary history and relationships among or within groups o ...

-related agaricoid fungi to the two species of ''Cotylidia'' thus far sequenced are in the genera ''

Rickenella ''Rickenella'' is a genus of brightly colored bryophilous agarics in the Hymenochaetales that have an omphalinoid morphology. They inhabit mosses on mossy soils, peats, tree trunks and logs in temperate regions of both the Northern and Southern ...

'', ''

Contumyces ''Contumyces'' is a genus of brightly colored possibly bryophilous or graminicolous agarics in the Hymenochaetales. They have an omphalinoid morphology, and therefore were previously classified in ''Omphalina''http://perso.orange.fr/famm/Photos/B ...

'', ''

Gyroflexus ''Gyroflexus'' is a monotypic genus with a yellowish-ivory colored omphalinoid agaric in the Hymenochaetales that grows on living ''Sphagnum'' Phylogenetically related agarics are in the genera ''Rickenella'', ''Blasiphalia'', ''Loreleia'', ''Can ...

'', ''

Loreleia ''Loreleia'' is a genus of brightly colored agarics in the Hymenochaetales that have an omphalinoid morphology. They inhabit mosses and or liverworts on soil in temperate regions of the Northern Hemisphere. Phylogenetically related agarics are i ...

'', ''

Cantharellopsis ''Cantharellopsis'' is a tan- to whitish-colored bryophilous monotypic genus in the Hymenochaetales. The fruit bodies of the single species ''Cantharellopsis prescotii'' has a form intermediate between an ''Omphalina'' and a chanterelle (''Cantha ...

'' and ''

Blasiphalia ''Blasiphalia'' is a fungal genus in the family Repetobasidiaceae. A monotypic genus, it contains the honey colored omphalinoid agaricbr> ''Blasiphalia pseudogrisella'', which grows with the Marchantiophyta, liverwort genus ''Blasia''. Phylogene ...

'', and ''

Muscinupta ''Muscinupta'' is a fungal genus that produces small white delicate fan-shaped to cupulate fruitbodies on mosses. It is monotypic In biology, a monotypic taxon is a taxonomic group (taxon) that contains only one immediately subordinate taxon. ...

'' and the

clavarioid The clavarioid fungi are a group of fungi in the ''Basidiomycota'' typically having erect, simple or branched basidiocarps (fruit bodies) that are formed on the ground, on decaying vegetation, or on dead wood. They are colloquially called club fun ...

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 Culture () is an umbrella term which encompasses the social behavior, institutions, and norms found in human societies, as well as the knowledge, beliefs, arts, laws, customs, capabilities, and habits of the individuals in these groups.Tyl ...

characteristics are unknown.

Etymology

The generic name is derived from Greek and means "small cup" in reference to the fluted glass shape.

Species

, Species Fungorum accepts 12 species of ''Cotylidia''. *''

Cotylidia aurantiaca ''Cotylidia'' is a fungal genus characterized by small to moderately sized, white to palely yet brightly colored, stalked, fan-shaped to funnel-shaped fruit bodiehttps://web.archive.org/web/20070821184454/http://www.fungaljungal.org/family_pages ...

'' *'' Cotylidia carpatica'' *'' Cotylidia decolorans'' *'' Cotylidia diaphana'' *'' Cotylidia guttulata'' *'' Cotylidia harmandii'' *'' Cotylidia komabensis'' *'' Cotylidia marsicana'' *'' Cotylidia muscigena'' *'' Cotylidia pannosa'' *'' Cotylidia pusiola'' *''

Cotylidia undulata ''Cotylidia'' is a fungal genus characterized by small to moderately sized, white to palely yet brightly colored, stalked, fan-shaped to funnel-shaped fruit bodiehttps://web.archive.org/web/20070821184454/http://www.fungaljungal.org/family_pages ...

References

{{Taxonbar, from=Q5175904 Repetobasidiaceae Agaricomycetes genera Taxa described in 1881 Taxa named by Petter Adolf Karsten