Mazon Creek Cockroach Egg Case

$99

In stock

SKU: 9116 Categories: , , Tag:

Description

Cockroach egg case
Mazon Creek Biota
Middle Pennsylvanian (Westphalian D)
Francis Creek Shale Member, Carbondale Formation
Will County, Illinois, USA

29mm egg case in paired concretion. Rare.

Additional information

Weight 50 g