Here is a rare Gerastos species from the Eifilien limestones for Zerg (or Zireg). This proetus species does have a very sub cylindrical shaped glabella that shows relative fine and very dense granulation. This speices shows some affinities to Gerastos rehamnanus (G. Alterti 1969) but it tendencies to have a longer habit. | |||
Location: | Zerg ,Maider Reg., Morocco | ||
Size: | about 25 mm long | ||
Age: | Middle Devonian , Eifilian, "Ceratages horizon" (about 390 mill. y.o.) |