''Trichomaris'' is a
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 ...
of
fungi
A fungus (: fungi , , , or ; or funguses) is any member of the group of eukaryotic organisms that includes microorganisms such as yeasts and mold (fungus), molds, as well as the more familiar mushrooms. These organisms are classified as one ...
in the family
Halosphaeriaceae
The Halosphaeriaceae are a family of fungi in the Sordariomycetes class, subclass Hypocreomycetidae. Halosphaeriaceae is the family with the largest number of marine fungi with a few species are from freshwater and terrestrial habitats (Jones et ...
. This is a
monotypic
In biology, a monotypic taxon is a taxonomic group (taxon) that contains only one immediately subordinate taxon. A monotypic species is one that does not include subspecies or smaller, infraspecific taxa. In the case of genera, the term "unisp ...
genus, containing the single species ''Trichomaris invadens''.
This fungus causes a disease of
tanner crabs. It forms a layer of dark hyphae on the exoskeleton of affected hosts. Perithecia form atop this layer and produce
ascospores
In fungi, an ascospore is the sexual spore formed inside an ascus—the sac-like cell that defines the division Ascomycota, the largest and most diverse division of fungi. After two parental nuclei fuse, the ascus undergoes meiosis (halving of ...
with distinctive gelatinous appendages. The spores are presumably able to infect new hosts.
References
External links
*
Trichomaris' at
Index Fungorum
''Index Fungorum'' is an international project to index all formal names (scientific names) in the fungus kingdom. As of 2015, the project is based at the Royal Botanic Gardens, Kew, one of three partners along with Landcare Research and th ...
*
Chitinolytic Fungal Disease (Black Mat Syndrome) of Crabs' at Fisheries and Oceans Canada
Microascales
Monotypic Sordariomycetes genera
{{Microascales-stub