Heloderma texana
Heloderma texana is an extinct species of heloderm lizard known from Miocene sediments in Big Bend National Park. It is the oldest fossil record of the genus Heloderma in North America.
Heloderma texana is an extinct species of heloderm lizard known from Miocene sediments in Big Bend National Park. It is the oldest fossil record of the genus Heloderma in North America.