Illaenus sinuatus Holm 1886
Complete outstretched specimen on matrix. Both eyes intact. Very Attractive piece.
Ordovician, Uppermost Llanvirn, 'Llandeilian Stage', Azeri Horizon, Duboviki Formation
Ropsha, River Volchov, St Petersburg, Russia
Matrix 7 x 4.5 cm
Trilobite 5.5 cm
