People / Frank Trostheide
from his collection ![]() Aporrhais cf. unisinuata (Sandberger, 1861); NP22-zone, Rupelian, lower Oligocene; Mammendorf, Free State of Saxony, Germany; 2009; Coll. Frank Trostheide no. 4127b ![]() Aporrhais cf. unisinuata (Sandberger, 1861); NP22-zone, Rupelian, lower Oligocene; Mammendorf, Free State of Saxony, Germany; 2009; Coll. Frank Trostheide no. 4128b ![]() Aporrhais cf. unisinuata (Sandberger, 1861); NP22-zone, Rupelian, lower Oligocene; Mammendorf, Free State of Saxony, Germany; 2009; Coll. Frank Trostheide no. 4129b |