Aesopichthys erinaceus

Aesopichthys erinaceus Poplin & Lund

    Lower Carboniferous

    Heath Shale Formation

    Bear Gulch

    Montana

    USA

    SJU.edu

    #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.#