Pliosauroidea Humerus bone cross section replaced by Pyrite

Pliosauroidea Humerus bone cross section replaced by Pyrite- Volga RIver, Village of Gorodishche, Ulyanovsk, Russia. 3.5″ across Pliosauroidea is an extinct clade of marine reptiles. Pliosauroids, also commonly known as pliosaurs, are known from the Jurassic and...

Pliosauroidea Rib bone cross section replaced by Pyrite

Pliosauroidea Rib bone cross section replaced by Pyrite- Volga RIver, Village of Gorodishche, Ulyanovsk, Russia. 2″ across Pliosauroidea is an extinct clade of marine reptiles. Pliosauroids, also commonly known as pliosaurs, are known from the Jurassic and...

Petrified wood with boring holes- "Teredo wood"

Petrified wood with boring holes- “Teredo wood” Volga RIver, Village of Gorodishche, Ulyanovsk, Russia. Cretaceous period 110 mya. 15.25″x 9.25″ … A fantastic rip cut slab of “Teredo” bored wood with Pyrite filling all the...

Petrified wood with boring holes- "Teredo wood"

Petrified wood with boring holes- “Teredo wood” Volga RIver, Village of Gorodishche, Ulyanovsk, Russia. Cretaceous period 110 mya. 15.25″x 9.25″ … A fantastic rip cut slab of “Teredo” bored wood with Pyrite filling all the...