Seikon kaseki Rosselia socialis Dahmer 1937 no moshikichi saihō : doitsu, ryūdesuhaimu seihō, rosseru ni roshutsu suru kabu debonkei taunusu keigan no higata taisekibutsu
Type locality of Rosselia socialis Dahmer, 1937 revisited : probable tidal flat deposits of the Lower Devonian Taunus Quartzite in Rossel, west of Rüdesheim, Germany