FOSSILS SPECIMEN: XENARTHRA

Xenarthra meaning “alien or foreign joint” is a clade of placental mammals found in North, Central, and South America. The term “foreign joint” is inreference of their vertebral joints, which have extra articulations that are different than other mammals. This Superorder includes armadillos, tree sloths, anteaters, and their fossil relatives ground sloths, glyptodonts, and pampatheres. to see my Xenarthran models click here.

Kingdom: Animalia – Phylum: Chordata – Class: Mammalia – Superorder: Xenarthra

(sloths, anteaters and armadillos)

Paleocene to Holocene

Holmesina ostoderm

Pleistocene

McFadden Beach, High Island, Texas, United States

Holmesina osteoderm

Pleistocene

North Texas, United States