Arizona State Fossil - Petrified Wood (Araucarioxylon)In 1988 the Arizona state legislature designat
Arizona State Fossil - Petrified Wood (Araucarioxylon)In 1988 the Arizona state legislature designated the petrified wood of Araucarioxylon arizonicum, a prehistoric conifer as the Arizona state fossil. Arizona is well known for its vast petrified forest, part of which lies within the bounds of the Petrified Forest National Park.During the Late Triassic period, approximately 225 million years ago Northern Arizona had a tropical climate that supported a vast forest conifer trees. Read more… -- source link
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