Aesopichthys erinaceus

Aesopichthys erinaceus Poplin & Lund

Lower Carboniferous

Heath Shale Formation

Bear Gulch

Montana

USA

"Aesopichthys erinaceus is known only from the Bear Gulch Limestone. It's a highly specialized fish with unique skull adaptations, body and fin form. The notched snout, pillar-like vertical antorbital bones, spikes on the first infraorbitals, and tall round-topped maxilla, are characteristic"

Counterslab of