DetailsAegoceras sp. ammonite collected from Jurassic Lower Lias sediments near Moreton-in-Marsh, Gloucestershire, UK. Aegoceras are an Early Jurassic genus of ammonite, they have evolute shells and characteristically widely spaced ribs. These specimens measure between 1.5 cm and 4 cm in diameter. Supplied in a small plastic bag with an information label.