"I thought they must belong to an enormous Armadillo, living species of which genus are so abundant here." Charles Darwin - Letter to J.S. Henslow, October 1832
Darwin has explored the Atlantic coast of Brazil and, with great sea-sickness, turned Cape Horn, and is now exploring the west coast of South America. There he finds a huge relative of the modern armadillos. Seeing related but phenotypically different species in the past was key to Darwin's thinking. What forced shaped organisms through time. That was the question.
"I thought they must belong to an enormous Armadillo, living species of which genus are so abundant here." Charles Darwin - Letter to J.S. Henslow, October 1832
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