Genus

Ptyctodus Pander, 1858

						Images
GIT 910-11	Ptyctodus	Värska 6 borehole	204.3 - 205.8	Narva Stage
GIT 910-37	Ptyctodus	Shelon		Upper Devonian
GIT 910-38	Ptyctodus	Drissa 1 borehole	298 - 299.7	Upper Devonian
GIT 910-39	Ptyctodus	Drissa 1 borehole	298 - 299.7	Upper Devonian
GIT 910-6	Ptyctodus	Saulkalne		Daugava Stage
GIT 910-7	Ptyctodus	Vybuty rapids		Plavinas Stage
GIT 910-8	Ptyctodus	Vybuty rapids		Plavinas Stage