Draft:Post-anal tail
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In vertebrates, a post-anal tail is a collection of coccyx vertabrae which extends beyond the sacrum. Having it is a defining feature of chordates.[1]
 | This is a draft article. It is a work in progress open to editing by anyone. Please ensure core content policies are met before publishing it as a live Wikipedia article. Find sources: Google (books · news · scholar · free images · WP refs) · FENS · JSTOR · TWL Last edited by Mathglot (talk | contribs) 1 second ago. (Update)
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