EditorialSkeleton of Hesperornis regalis, from Cretaceous strata, North America. After Othniel Charles Marsh. Engraving from Henry Neville Hutchinsons Creatures of Other Days, Popular Studies in Palaeontology, Chapman and Hall, London, 1896.
EditorialA gigantic diver, Hesperornis regalis, from North America, Cretaceous Period. Print after an illustration by Joseph Smit from Henry Neville Hutchinsons Creatures of Other Days, Popular Studies in Palaeontology, Chapman and Hall, London, 1896.
EditorialA large herbivorous dinosaur, Claosaurus, from North America, Cretaceuous Period. The bird on the right is a young Hesperornis regalis. Print after an illustration by Joseph Smit from Henry Neville Hutchinsons Creatures of Other Days, Popular Studies i...
EditorialSkeleton of Hesperornis regalis, from Cretaceous strata, North America. After Othniel Charles Marsh. Engraving from Henry Neville Hutchinsons Creatures of Other Days, Popular Studies in Palaeontology, Chapman and Hall, London, 1896.
EditorialA gigantic diver, Hesperornis regalis, from North America, Cretaceous Period. Print after an illustration by Joseph Smit from Henry Neville Hutchinsons Creatures of Other Days, Popular Studies in Palaeontology, Chapman and Hall, London, 1896.
EditorialA large herbivorous dinosaur, Claosaurus, from North America, Cretaceuous Period. The bird on the right is a young Hesperornis regalis. Print after an illustration by Joseph Smit from Henry Neville Hutchinsons Creatures of Other Days, Popular Studies i...
EditorialFossil skeleton of an extinct Hesperornis regalis, penguin-like bird of the Campanian era, Late Cretaceous. Illustration from Wilhelm Bolsches Das Leben der Urwelt, Prehistoric Life, Georg Dollheimer, Leipzig, 1932.