Topic summary
Hurdia
Hurdia is an extinctgenus of hurdiidradiodont that lived 505 million years ago during the Cambrian Period. Fossils have been found in North America, China, and the Czech Republic.
Topic summary
Hurdia is an extinctgenus of hurdiidradiodont that lived 505 million years ago during the Cambrian Period. Fossils have been found in North America, China, and the Czech Republic.