| Protomycena Temporal range:
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|---|---|
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| Artist's reconstruction | |
Scientific classification 
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| Domain: | Eukaryota |
| Kingdom: | Fungi |
| Division: | Basidiomycota |
| Class: | Agaricomycetes |
| Order: | Agaricales |
| Family: | Mycenaceae |
| Genus: | †Protomycena Hibbett, Grimaldi & Donoghue |
| Species: | †P. electra
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| Binomial name | |
| †Protomycena electra Hibbett, Grimaldi & Donoghue
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| Protomycena is known only from amber deposits on the island of Hispaniola, north of South America | |
Protomycena is an extinct monotypic genus of gilled fungus in the family Mycenaceae, of order Agaricales.[1] At present it contains the single species Protomycena electra, known from a single specimen collected in an amber mine in the Cordillera Septentrional area of the Dominican Republic. The fruit body of the fungus has a convex cap that is 5 mm (0.2 in) in diameter, with distantly spaced gills on the underside. The curved stipe is smooth and cylindrical, measuring 0.75 mm (0.030 in) thick by 10 mm (0.39 in) long, and lacks a ring. It resembles extant (currently living) species of the genus Mycena. Protomycena is one of only five known agaric fungus species known in the fossil record and the second to be described from Dominican amber.[1][2]