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it was more basal ("primitive") than true crown-tetrapods
000 to 680
It was Scientist and British geologist
From basics about archaeology itself to the most perplexing of West Virginia discoveries including the Irish ogam-like petroglyphs Pyle's book uncovers an ongoing adventure in archaeology
Syphocrinites elegans, crinoid Posters it was more basal ("primitive")Crinoids, commonly referred to as sea lilies, are ocean dwelling creatures that live their lives attached to the sea floor. They are composed of three main body parts: the arms that filter food particles out of the water, the head (or calyx) which houses the internal organs and mouth parts, and the stem which attaches to the sea floor by a root system called a hold fast. Crinoids are animals in spite of their plant like appearance. They are members of
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