Thundereggs from Mexico
Mexico is infamously hard in terms of classification, especially when you get beyond the familiar locations here.
Zacatecas
Coyamo / Santa Ulalia Thundereggs
Countries:
USA - Canada - Alaska - Mexico - Argentina - Peru - France - Germany - UK - Poland - Greece - Turkey - Romania - Bulgaria - Slovakia - Kazakhstan - Uzbekistan - Russia - Japan - Ethiopia - Iran - Australia - Unknown