FAMILY                      Trigonotarbidae Petrunkevitch, 1949 [Fossil]
GENUS                              Trigonotarbus Pocock, 1911 [Fossil]
SPECIES                                 Trigonotarbus johnsoni Pocock, 1911 [Fossil]
SPECIES                                 Trigonotarbus arnoldi Petrunkevitch, 1956:476 [in Stormer et al.Fossil]
SPECIES                                 Trigonotarbus stoermeri Schultka, 1991:377 [Fossil; Dev.]