Grimmiaceae is a family of mosses in the order Grimmiales.
Genera World Flora Online lists the following genera:
Bucklandiella Codriophorus Coscinodon Grimmia Guembelia Leucoperichaetium Niphotrichum Racomitrium Schistidium
Fossil record A fossil species, Tricarinella crassiphylla is known from the Early Cretaceous (Valanginian ~136 million years ago) Apple Bay flora on Vancouver Island, Canada, which is the oldest known member of the Dicranidae.
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