Families-
Aulacomniaceae: Aulacomnium, Hymenodontopsis, Mesochaete.
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Calomniaceae: Calomnion.
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Cyrtopodaceae: ± in
Hypnodendraceae.
- Mitteniaceae: Mittenia.
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Rhizogoniaceae: Calomnion, Cryptopodium, Goniobryum, Pyrrhobryum, Rhizogonium.
- Spiridentaceae: ± in
Hypnodendraceae.
Botany: Acro- or pleurocarpous. Central strand + Lvs cells rounded-hexagonal. Costa +. Di-, aut-, or synoicous Perichaetia basally in tomentum. Seta +, short or long CAP widest at ori ce. PS +/–. CY cucullate Predom. trop. mostly on forest oor.