Embryo fossils are the preserved remains of unhatched or unborn organisms. Many fossils of the 580 million year old Doushantuo Formation have been interpreted...

An embryo is the initial stage of development for a multicellular organism. In organisms that reproduce sexually, embryonic development is the part of...

Dinosaur eggs are the organic vessels in which a dinosaur embryo develops. When the first scientifically documented remains of non-avian dinosaurs were...

Peng, F; et al. (2006). "Synchrotron X-ray tomographic microscopy of fossil embryos". Nature. 442 (7103): 680–683. Bibcode:2006Natur.442..680D. doi:10.1038/nature04890...

embryo discovered in Ganzhou, southern China. It was discovered in rock layers of the Hekou Formation, which dates to the Late Cretaceous. The embryo...

Hell Creek dinosaur groups fossils of hatchlings and intact eggs with embryo fossils fossil pterosaurs for which no other fossils exist at that time drowned...

edge have cytoplasm continuous with that of the egg, allowing the yolk and embryo to exchange waste and nutrients with the surrounding cytoplasm. Monotremes'...

will impact an embryo is dependent on several factors, such as how long the embryo has been exposed, the stage of development the embryo was in when exposed...

PMID 18509443. S2CID 205213348. Salisbury, Steven (28 May 2008). "Oldest Embryo Fossil Found". Jeanna Bryner. Retrieved 15 October 2013. Pea-sized Seahorse...

Ediacaran fossil embryos from the Portfjeld Formation in Greenland has significantly expanded the paleogeograpical occurrence of Doushantuo-type fossil "embryos"...