Genus

Persacanthus Janvier, 1977

Images
GIT 766-1
Persacanthus | Persacanthus sp.
Hohly 5 borehole, Pskov Region, Russia56.4 Snetnaya Gora Substage
GIT 818-175 Givetian | Denay limestone
GIT 818-176 Givetian | Denay limestone