Abdalodon

In Depth        Known from a partial skull initially thought‭ ‬to belong to the Procynosuchus‭ ‬genus,‭ ‬Abdalodon was defined as a distinct genus in‭ ‬2016.‭ ‬Abdalodon was named in honour of palaeontologist Fernando Abdala,‭ ‬in recognition of their work on cynodonts. Further Reading -‭ ‬A new taxon of cynodont from the Tropidostoma Assemblage Zone‭ (‬Upper Permian‭) … Read more

Aquilops

In Depth        Initially thought to represent a new specimen of Zephyrosaurus,‭ ‬the small partial skull of the holotype was soon realised to be a whole new genus of small ceratopsian dinosaur.‭ ‬Like most primitive ceratopsian dinosaurs,‭ ‬Aquilops was a fairly small dinosaur measuring just over half a meter in length.‭ ‬The name Aquilops means‭ ‘‬eagle … Read more

Adamantinasuchus

In Depth        Adamantinasuchus was a fairly small notosuchian crocodylomorph from the late Cretaceous Adamantina Formation of Brazil,‭ ‬Many crurotarsans are known from the Adamantina Formation,‭ ‬including Armadillosuchus,‭ ‬Morrinhosuchus,‭ ‬Baurusuchus and Mariliasuchus to name just a few.‭ ‬Out of these,‭ ‬Adamantinasuchus may have been most similar to Mariliasuchus.‭ ‬The teeth of Adamantinasuchus suggest a possible carnivorous … Read more

Saltasaurus

In Depth about Saltasaurus        The discovery of Saltasaurus was a revelation in that at least some titanosaurid sauropods actually had armour plates on their backs.‭ ‬These plates are actually called osteoderms and are bony growths that were within the skin,‭ ‬and in Saltasaurus these were ten to twelve centimetres across and seemed to form low conical spikes.‭ ‬ These osteoderms had … Read more

Acteosaurus

In Depth        A little known creature,‭ ‬Acteosaurus has been speculated to be a marine reptile,‭ ‬similar to the mosasauroids.‭ ‬Acteosaurus was named after Actaeon,‭ ‬a hunter in Greek Mythology. Further Reading – On the Subdivisions of the Inferior Oolite in the South of England, compared with the Equivalent Beds of that Formation on the Yorkshire … Read more

Amphicoelias

In Depth        For one hundred and forty years Amphicoelias was regarded by some to have been one of the largest dinosaurs to ever walk the earth.‭ ‬First named in‭ ‬1878‭ ‬by Edward Drinker Cope,‭ ‬and based upon some truly large fossils of vertebrae and partial limbs and pubis bones.‭ ‬Three species were named,‭ ‬A.‭ ‬altus,‭ … Read more

Arnognathus

In Depth        Arnognathus was a genus of non-mammalian synapsid that lived in South Africa during the Triassic. Further Reading – On Some New Fossil Reptiles from the Karroo Beds of Victoria West, South Africa. – Transactions of the South African Philosophical Society 18:31-42. – Robert Broom – 1907.

Afrosmilus

In Depth        Although Afrosmilus superficially looks like an African big cat,‭ ‬it is actually a barbourfelid,‭ ‬a group of mammals that appeared before the big cats of the Felidae.‭ ‬However‭ ‬exactly how close barbourofelids are to true cats is actually a matter of debate amongst palaeontologists with some claiming that they are not related at … Read more

Ancalecetus

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

Archeopelta

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