Summary description from Wikipedia:

Images from inaturalist.org observations:

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©Kurt Miller, some rights reserved (CC-BY-NC)

©Kurt Miller, some rights reserved (CC-BY-NC)

©Kurt Miller, some rights reserved (CC-BY-NC)

Parent Taxon

Sibling Taxa

• Adustochaete
• Aporpium
• Auriculariaceae
• Auriculoscypha
• Basidiodendron
• Bourdotia
• Ductifera
• Gloeotromera
• Guepinia
• Heteroscypha
• Hyalodon
• Hyaloriaceae
• Metabourdotia
• Oliveoniaceae
• Patouillardina
• Proterochaete
• Protodaedalea
• Protohydnum
• Protomerulius
• Pseudohydnum
• Stypella
• Stypellopsis

Child Taxa

• Protomerulius brachysporus
• Protomerulius commotus
• Protomerulius dubius
• Protomerulius madidus
• Protomerulius minor
• Protomerulius pertusus
• Protomerulius subreflexus

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