1. Asaphus lepidurus (Nieszkowski, 1959). Size: trilobite size 37 x 21 mm; approx. matrix size 37 x 21 x 15 mm; weight 10 gram. Locality: Putilovo quarry, St. Petersburg region, Russia. Age: Volkhov Horizon, Lower Ordovician (480 million year ago). Restoration of about 1 %.

2. Asaphus punctatus (Lessnikova, 1949). Size: trilobite size 38 x 26 mm; approx. matrix size 60 x 40 x 25 mm; weight 45 gram. Locality: Mga river, St. Petersburg region, Russia. Age: Aseri Horizon, Middle Ordovician (465 million year ago). Restoration is about 1 %.

3. Asaphus plautini plautini (Schmidt, 1901). Size: trilobites size 49 x 32 mm; approx. matrix size 50 x 40 x 20 mm; weight 30 gram. Locality: Volkhov river, St. Petersburg region, Russia. Age: Aseri Horizon, Middle Ordovician, zone Asaphus kowalewskii (465 million year ago). Restoration is about 1 %.

4. Asaphus raniceps (Dalman, 1828). Size: trilobite size 58 (around it) x 36 mm; approx. matrix size 50 x 30 x 30 mm; weight 38 gram. Locality: Volkhov river, St. Petersburg region, Russia. Age: Kunda Horizon, Lower Ordovician (460 million year ago). Restoration is about 1 %.

5. Illaenus cf. oblongatus (Angelin, 1854). Size: trilobite size 50 x 27 mm; approx. matrix size 40 x 30 x 30 mm, weight 34 gram. Locality: Vilpovitsy quarry, St. Petersburg region, Russia. Age: Aseri Horizon, Middle Ordovician, zone Asaphus cornutus (465 million year ago). Restoration is about 1 %.