Eophrynidae is a family of the extinct arachnid order Trigonotarbida. Eophrynids lived during the Carboniferous period in what is now modern Europe and North America. The family is probably found within the "eophrynid assemblage" clade: (Aphantomartus (Alkenia (Pseudokreischeria (Kreischeria (Eophrynus + Pleophrynus))))).
Genera Areomartus Petrunkevitch, 1913 Eophrynus Woodward, 1871 Nyranytarbus Harvey & Selden, 1995 Petrovicia Frič, 1904 Planomartus Petrunkevitch, 1953 Pleophrynus Petrunkevitch, 1945 Pocononia Petrunkevitch, 1953 Somaspidion Jux, 1982 Stenotrogulus Frič, 1904 Vratislavia Frič, 1904
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