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Ukraine, Donbas, Rasdolnoje, Devonian (Famenian), 2,8 cm Ukraine, Donbas, Rasdolnoje, Devonian (Famenian), 3,3 cm Ukraine, Donbas, Rasdolnoje, Devonian (Famenian), 3 cm
Ukraine, Donbas, Rasdolnoje, Devonian (Famenian), 1,1 cm Ukraine, Donbas, Rasdolnoje, cross section and lateral surface, Devonian (Famenian), 1,8 cm
Ukraine, Donbas, Rasdolnoje, Devonian (Famenian), 1,3 cm Ukraine, Donbas, Rasdolnoje, Devonian (Famenian), 1,5 cm Ukraine, Donbas, Rasdolnoje, Devonian (Famenian), 1,7 cm
Ukraine, Donbas,
Rasdolnoje, Callixylon sp.,
Devonian, 11 cm
Ukraine, Donbas,
Solotarevka, Arthropitys sp.,
Carboniferous, 13 cm
Ukraine, Donbas,
Rasdolnoje, Callixylon sp.,
Devonian, 5 cm
Ukraine, Roztocze, Rawa Ruska, coniferous, Miocene,
6 cm
Ukraine, Roztocze, Rawa Ruska, coniferous, Miocene,
5 cm
Ukraine, Roztocze, Rawa Ruska, coniferous, Miocene,
11 cm
Ukraine, Tarasavka, opalized wood,
longitudinal section, petrified traces of "teredos",
22 x 9,5 cm

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