Arachnida - Trigonotarbida - Eophrynidae
Synonyms: Hemiphrynidae Fritsch 1904, Pleophrynidae Petrunkevitch 1945
Full reference: F. Karsch. 1882. Ueber ein neues Spinnenthier aus der schlesischen Steinkohle und die Arachniden der Steinkohlen-formation überhaupt. Zeitschrift der Deutschen Geologischen Gesellschaft 34:556-561
Parent taxon: Trigonotarbida according to J. A. Dunlop et al. 2013
See also Brauckmann et al. 2003, Haase 1890, Petrunkevitch 1945 and Petrunkevitch 1949
Sister taxa: Aenigmatarbus, Anthracomartidae, Anthracomartus hageni, Anthracophrynus, Anthracosironidae, Aphantomartidae, Archaeomartidae, Areomartus, Elaverimartus, Elaverimartus pococki, Eophrynus scharfi, Eurymartidae, Eurymartus spinulosus, Kreischeriidae, Lissomartidae, Namurotarbus, Palaeocharinidae, Palaeocteniza, Palaeotarbus, Permotarbus, Termes buchi, Trigonomartus woodruffi, Trigonotarbidae, Tynecotarbus
Subtaxa: Eophrynus Nyranytarbus Petrovicia Planomartus Pleophryninae Pleophrynus Pocononia Somaspidion Stenotrogulus
Ecology:
Distribution:
• Carboniferous of the Czech Republic (4 collections), Germany (2), the United Kingdom (5), United States (4: Illinois, Indiana, New Mexico, Virginia)
Total: 15 collections including 17 occurrences