User:Abyssal/Portal:Jurassic/Selected picture/16

From Wikipedia, the free encyclopedia

Fossil of the Middle Jurassic ammonoid Ludwigia murchisonae

A fossil shell of the graphoceratid ammonoid Ludwigia murchisonae. The shell dates back to the Aalenian age (170.3–174.1 million years ago) of the Middle Jurassic epoch and is about 8.5 cm in diameter. It was collected near Geisingen, Germany.
Photo credit: H. Zell

Retrieved from "https://en.wikipedia.org/w/index.php?title=User:Abyssal/Portal:Jurassic/Selected_picture/16&oldid=899242535"