First record of live birth in Cretaceous ichthyosaurs: closing an 80 million year gap.
New fossils of embryonic ichthyosaurs are both the geologically youngest and the physically smallest known ichthyosaur embryos. The embryos are articulated, though only partially preserved, and are located within the body cavity of an adult, presumably the mother. The embryos and adult were found in...
Published in: | Proceedings of the Royal Society of London. Series B: Biological Sciences |
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Main Authors: | , |
Format: | Text |
Language: | English |
Published: |
2003
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Subjects: | |
Online Access: | http://www.ncbi.nlm.nih.gov/pmc/articles/PMC1698021 http://www.ncbi.nlm.nih.gov/pubmed/12952650 https://doi.org/10.1098/rsbl.2003.0029 |