In Depth A relative of other primitive whales such as Dorudon and Zygorhiza, Ancalecetus would have been a toothed predatory whale that hunted other marine organisms for food. In fact, Ancalecetus is seen to be very similar to Dorudon atrox with the exception of the fore limbs of Ancalecetus being much smaller and closer to … Read more
In Depth Archeopelta was a quadrupedal low slung reptile with a build similar to that of a crocodile. Archeopelta also would have had armoured scutes protecting its body in a similar manner to a crocodile. A predator of smaller animals, the armour may have protected them from rauisuchians and the early ancestors of the … Read more
In Depth Although not the largest of prehistoric elephants, Anancus stands out from the crowd with its greatly elongated tusks which could reach lengths of up to four meters, almost as long as the body. These tusks which were like in all elephants modified teeth, are thought to have been used to root up plants … Read more
In Depth When it comes to naming prehistoric animals, the names can be confusing, but Apatomerus, which means ‘deceptive femur’ was spot on. Initially thought to a thigh of a crocodile, Williston later declared it to be a pterosaur bone. Later study has now deduced that it is probably not a pterosaur bone and is … Read more
In Depth Aymberedactylus is a genus of tapejarid pterosaur that lived in what is now Brazil during the early Cretaceous. At the time of the genus description the only fossils of Aymberedactylus are the lower jaws. These however seem to indicate that Aymberedactylus is one of the most primitive tapejarid pterosaurs known to us. Further … Read more
In Depth Named after the Atacama Desert, Atacamatitan was a genus of titanosaur sauropod that lived in what is now Chile during the late Cretaceous. More precise details about the genus however remain hard to establish, due to the fact that the remains of Atacamatitan are very incomplete. Further Reading - A new titanosaur sauropod … Read more
In Depth One of the better known bears in the worlds fossil record, the Agriotherium genus is also easily one of the largest currently known. With this large size it would be tempting to portray Agriotherium as a savage killers of any animal that might be unfortunate enough to be in its way, yet like … Read more
In Depth Afrotapejara is a genus of pterosaur that lived in North Africa at the time of the Early/Late Cretaceous boundary. Further Reading - A new ?chaoyangopterid (Pterosauria: Pterodactyloidea) from the Cretaceous Kem Kem beds of Southern Morocco. - Cretaceous Research. 110: Article 104410. - James McPhee, Nizar Ibrahim, Alex Kao, David M. Unwin, Roy … Read more
In Depth A fairly small gorgonopsid therapsid, Aloposaurus was represented by only a weather eroded skull until the addition of a second species in 1953. This came about from a study that found another genus called Aloposauroides was actually the same as Aloposaurus. Further Reading - Observations on some specimens of South African Fossil Reptiles … Read more
In Depth Axestemys is a genus of soft shelled turtle that lived from the Late Cretaceous to at least the Eocene, and is known from both North America and Europe. Instead of a hard shell, Axestemys would have had a tough leathery skin surrounding its body. Modern day soft shelled turtles can be omnivorous, meaning … Read more