''Cotylidia'' is a fungal

genus Genus (; : genera ) is a taxonomic rank above species and below family (taxonomy), family as used in the biological classification of extant taxon, living and fossil organisms as well as Virus classification#ICTV classification, viruses. In bino ...

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

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 oth ...

, 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 o ...

basidia A basidium (: basidia) is a microscopic spore-producing structure found on the hymenophore of reproductive bodies of basidiomycete fungi. The presence of basidia is one of the main characteristic features of the group. These bodies are also ...

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 staini ...

spores, the absence of

clamp connection A clamp connection is a hook-like structure formed by growing hyphal cells of certain fungi. It is a characteristic feature of basidiomycete fungi. It is created to ensure that each cell, or segment of hypha separated by septa (cross walls), rece ...

s, and bearing projecting cylindrical, thin-walled, hymenial

cystidia A cystidium (: cystidia) is a relatively large cell found on the sporocarp of a basidiomycete (for example, on the surface of a mushroom gill), often between clusters of basidia. Since cystidia have highly varied and distinct shapes that are o ...

. The genus is

classified Classified may refer to: General *Classified information, material that a government body deems to be sensitive *Classified advertising or "classifieds" Music *Classified (rapper) (born 1977), Canadian rapper * The Classified, a 1980s American ro ...

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 International_Code_of_Zoological_Nomenclature, 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 spe ...

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

sequenced In genetics and biochemistry, sequencing means to determine the primary structure (sometimes incorrectly called the primary sequence) of an unbranched biopolymer. Sequencing results in a symbolic linear depiction known as a sequence which succi ...

Phylogenetically In biology, phylogenetics () is the study of the evolutionary history of life using observable characteristics of organisms (or genes), which is known as phylogenetic inference. It infers the relationship among organisms based on empirical data ...

-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 (moss inhabiting) agarics in the Hymenochaetales that have an omphalinoid morphology. They inhabit patches of moss that grow on soil, tree trunks and logs in temperate regions of the pl ...

'', '' Contumyces'', ''

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 in ...

'', ''

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 (''Can ...

'' 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''. Phylogen ...

'', and ''

Muscinupta ''Muscinupta'' is a fungal genus that produces small white delicate fan-shaped to cupulate fruitbodies on mosses. It is monotypic, containing the single species ''Muscinupta laevis''. The type species is better known under the name ''Cyphelloster ...

'' 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 fungi a ...

genus, ''

Alloclavaria ''Alloclavaria'' is a clavarioid genus in the Hymenochaetales recently segregated from '' Clavaria'' by molecular analysis. Phylogenetically related fungi are in the agaricoid genera '' Rickenella'', '' Contumyces'', '' Gyroflexus'', '' Loreleia' ...

''. The ecological status of ''Cotylidia'' remains unresolved. They fruit on soil or plant debris, sometimes on burn sites or among

bryophyte Bryophytes () are a group of embryophyte, land plants (embryophytes), sometimes treated as a taxonomic Division (taxonomy), division referred to as Bryophyta ''Sensu#Common qualifiers, sensu lato'', that contains three groups of non-vascular pla ...

s. The

culture Culture ( ) is a concept that encompasses the social behavior, institutions, and Social norm, norms found in human societies, as well as the knowledge, beliefs, arts, laws, Social norm, customs, capabilities, Attitude (psychology), attitudes ...

characteristics are unknown.

Etymology

The generic name is derived from

Greek Greek may refer to: Anything of, from, or related to Greece, a country in Southern Europe: *Greeks, an ethnic group *Greek language, a branch of the Indo-European language family **Proto-Greek language, the assumed last common ancestor of all kno ...

and means "small cup" in reference to the fluted glass shape.

Species

Species Fungorum ''Index Fungorum'' is an international project to index all formal names (Binomial nomenclature, scientific names) in the fungus Kingdom (biology), kingdom. As of 2015, the project is based at the Royal Botanic Gardens, Kew, one of three partn ...

accepts 12 species of ''Cotylidia''. * '' Cotylidia aurantiaca'' * '' Cotylidia carpatica'' * '' Cotylidia decolorans'' * '' Cotylidia diaphana'' * '' Cotylidia guttulata'' * '' Cotylidia harmandii'' * '' Cotylidia komabensis'' * '' Cotylidia marsicana'' * '' Cotylidia muscigena'' * '' Cotylidia pannosa'' * '' Cotylidia pusiola'' * '' Cotylidia undulata''

References

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