Pregnancy in the fossil record is an exciting find. Setting aside the sad fact that an unfortunate mother met her demise while carrying a baby, these one in a million specimens provides some key insight into the behavior and lifestyle of organisms unlike any living today. One such specimen is on display at the Natural HistoryContinue reading “Pregnant Plesiosaurs and Baby Bones: Bone histology reveals ontogeny in polycotylid plesiosaurs — PLOS Paleo Community”
Tag Archives: ontogeny
A Day in the Life of an Ammonite
Several years ago, back when I was working as the lab and collections manager for the St. George Dinosaur Discovery Site in St. George, Utah, we constructed a temporary exhibit with hundreds of ammonite shells from all over the world. One of our museum volunteers, an older French lady volunteering as a museum greeter andContinue reading “A Day in the Life of an Ammonite”
Sarah Z. Gibson 