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Devonian arthrodire embryos and the origin of internal fertilization in vertebrates

Long, John; Trinajstic, Kate; Johanson, Zerina


Evidence of reproductive biology is extremely rare in the fossil record. Recently the first known embryos were discovered within the Placodermi, an extinct class of armoured fish, indicating a viviparous mode of reproduction in a vertebrate group outside

CollectionsANU Research Publications
Date published: 2009
Type: Journal article
Source: Nature
DOI: 10.1038/nature07732


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