However , Owen believed that God had created the archetypes for all species , and classified archaeopteryx as a bird .
The 1860s was a critical time in scientific history owing to Darwin 's recently - published Origin of Species .
Owen believed that God had created the archetypes for all species , and classified archaeopteryx as a bird .
The 1860s was a critical time in scientific history owing to Darwin 's recently - published Origin of Species .