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.
$99
In stock
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.
Weight | 50 g |
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