EditorialFossil skeleton of Protorohippus venticolum (Hyracotherium venticolum), an extinct equid that lived in the Eocene, North America. After Edward Drinker Cope. Illustration from Henry Neville Hutchinsons Creatures of Other Days, Popular Studies in Palaeon...
EditorialPentacrinites fossilis, Print, Pentacrinites is an extinct genus of crinoids that lived from the Middle Triassic to the Eocene of Asia, Europe, North America, and New Zealand. Their stems are pentagonal to star-shaped in cross-section and are the most ...
EditorialReconstruction of Phenacodus primaevus and Hyracotherium leporinum, ancestors of the horse, Eocene period. Print after an illustration by Joseph Smit from Henry Neville Hutchinsons Creatures of Other Days, Popular Studies in Palaeontology, Chapman and ...