Archosaurs were the first great vertebrate creatures. Scholars split them into two great groups. The suchians and the dinosaurs. The suchians are further devided into the pseudo-crocodiles and true crocodiles. The dinosaurs are divided into the birds and the non-avians. The latter is often just referred to as the dinosaurs on its own. There is a third group of archosaurs called the pterosaurs, but they are exceedingly rare and can not be considered a great group. While the birds and crocodiles are spread far and wide, the other groups are mostly contained to the Islands of Dragons.
While once so common that they were said to have ruled the world, the non-avian dinosaurs have strongly declined in population and variety. Ancient monsters like the Tyrannosaurus Rex, Spinosaurus, Brachiosaurus, Ankylosaurus and Torosaurus are long extinct. What remains are often small imitations of the great giants of old.
Carnotaurs are the largest of the remaining dinosaur predators at around 8 meters long. They have a powerful bite and two horns on their skull that give them a fearsome reputation. Carnotaur chicks are born with a layer of feathers, but lose these feathers when they reach adulthood.
Irritators are 6 meter long predatory dinosaurs that prey on fish and other aquatic animals. They live in rivers and lakes and spend most of their lives in the water. They have a long fearsome snout and great intimidating sail on their back, but are surprisingly docile. They do however like to tip the boats of fishermen to steal their catch.
Raptors are the most common of the predatory dinosaurs. There are three species of raptors left. The big solitary greatraptor, the pack-hunting deinoraptor and the tree-dwelling microraptor. The raptors are fully covered in feathers and sometimes confused for birds. It doesn't help that birds of prey are also often called raptors. Greatraptors can grow up to 7 meters long and are known to kill carnotaurs thanks to their superior intelligence. While all raptors have wing-like featherarrangements on their four legs, only the microraptor can actually use these arrangements to glide. Deinoraptors are social animals known to actively hunt humans.
Tidetitans are the last of the truely giant dinosaurs. They are one of four remaining sauropod species. Adult Tidetitans are so incredibly big that not even dragons attack them. They often grow up to 26 meters long and their long necks can reach any treetop. They can live an entire century.
Clubberpods are 11 meter long sauropods. While fairly big, this is very small compared to the giants of old. They are one of four remaining sauropod species. The most notable thing about these creatures is the club on the end of their tail which they use to attack predators. They are the main prey of the carnotaurs.
Armoursaurs, also known as dwarf titans, are 6 meter long sauropods with a strange dermal armour. They are one of four remaining sauropod species. They are most commonly found on the smaller islands among the Islands of Dragons.
Sailnecks are the most common of the modern sauropods. They are one of four remaining sauropod species. They are small compared to their ancient relatives, standing at 9 meters long. They do however have two impressive sails running down their necks which makes them a sight to behold.
Hornheads are one of the most common non-avian dinosaurs in the Islands of Dragons. They are only about 2 meters long, but their long horns, neckshields and big herds make them very formidable. They are the main food source of deinoraptors. and young dragons. Hornheads have a row of feather-like structures running down their backs for display.
Iguanodons are some of the most succesful non-avian dinosaurs. They have sharp spikes on their thumbs with which they can kill even a greatraptor. The large herbivores are a common food source for dragons.
Domeheads are a species of bipedal dinosaurs that have large thick domes build into their skulls with which they can headbash. It is said that a headbash from a domehead can break a brick wall. There are two distinct species, smoothdomes and roughdomes. Smooth domes have a large round dome while roughdomes have a flat dome lined with spikes.
Knoblizards are a group of armoured dinosaurs with back armor and spikes. Unlike the great Ankylosaurus of old, the modern species do not have the big club on their tail. There are two species known. The three meter long livingfort lizards and the giant 7 meter long heavily spiked edmontonians, named after Allegoyan scholar Albert Edmonton. Knoblizards were the first dinosaurs discovered by humanity who thought they were giant lizards.
Spiky Platebacks are the last surviving platebacks. At 4.5 meters long, they are quite small for a plateback. Unlike the platebacks of old, they are far more spiked though. Half their backplates have been replaced by long spikes. They also have two long spikes coming out of their shoulders.
Birds are the most common archosaurs around. There are to many species to name. From chickens to parrots, from humming birds to ostriches. So we will only talk about some of the more interesting ones.
Rocs are great giant birds of prey that are seen all over the mainland unmapped lands. They have a wingspan of 20 meters and are strong enough to lift a man in armour into the sky. They have been seen fighting dragons. They are considered the absolute apex predator of the skies. Their main prey are blue crows which they hunt in pairs.
Blue Crows are giant songbirds from the unmapped lands with a wingspan of 30 meters they are the largest birds known, and possibly the largest still living flying creatures. They are known for their striking blue color. They are a actually closer related to jackdaws then to crows. How they grew so much larger then the other corvids is still unknown.
Terror Birds are the apex predators of Älvenheim's plains. They are big flightless birds that chase their prey alone or in pairs. Terror birds will pick out a mate for life. When their mate dies, they have been known to become suicidally agressive.
The phoenix is one of the most intelligent of the birds. They are quite rare in the modern era as they have been hunted to near extinction. Thier feathers are filled with fire magic and very handy to use in battle wands. When a phoenix feels threatened it will release the magic in its feathers, giving the appearance that it is burned to ashes. This has given rise to the folktale that phoenixes revive themselves when they die by burning their old body to a crisp.
True Crocodiles are the apex of the ambush kill. There are many species around tegai split between crocodiles and alligators. While gharials were often seen as pseudo-crocodiles, modern scholars include them in the True Crocodiles. Recent scholarship has even pointed to gharials being closer to crocodiles than the alligators.
Deinosuchus are giant crocodiles that can grow up to 15 meters long. They live in the saltwater seas of the Islands of Dragons where they ambush young Dinosaurs that traverse the beaches. They are known to gather in huge groups at times, turning a whole stretch of beach into scales and teeth.
Emperor's Flesh Crocodiles
The Emperor's Flesh Crocodiles are giant gharials that live along the Latsian coasts. While they can grow as large, or even larger than the Deinosuchus, they are mostly satisfied catching fish and posess little threat to the creatures of the land.
While most caimans are on the small side for crocodiles, only being a few meters in length, giant caimans are the largest true crocodiles to have ever lived. The largest giant caiman was 20 meters long. They are known to hunt other crocodiles. Unlike the other giant crocodiles, they live in rivers rather than in the seas.
Hoofed Crocodiles are, unlike their mostly aquatic relatives, true crocodiles that live their whole lives on the land. They live in the Mandarian dessert where they chase down horses. They have blunt claws on which they run. These blunt claws have the same use as the hooves of mammals.
Pseudo-crocodiles are the archosaurs that are still closely related to crocodiles, while still being too different to really count them.
Postman's Crocodiles are 5 meter long semi-bipedal pseudo-crocodiles that were first seen attacking Allegoyan postcoaches, giving them their name. They are actually quite common in the far south of the mainland. They live mostly solitary, but will team up when hunting larger prey.
Red Crocodiles are pseudo-crocodiles that have comically large heads for their size. They are the the furthest a pseudo-crododile can be from the true crocodiles while still being one. They have bright red scales and are mostly scavengers. Their large jaws allow them to chase of larger predators from their kills and crack bones, but also make them quite slow and clumsy when trying to make their own kills.
Pterosaurs are a group of flying archosaurs that rely on skin membranes to fly unlike the feathered wings of birds. They form a third smaller group among the archosaurs and only a few species remain concentrated in the Islands of the Dragons.
Scumbirds are small tailed pterosaurs that hunt insects. Outside the Islands of Dragons they have mostly been outcompeted by birds. They live in big swarms that move around the islands and serve as prey for larger predators.
Pteranodons are the most famous of the pterasaurs. They spend most of their time around the coasts of the Islands of Dragons, hunting fish from the seas. They are one of the few pterasaurs that drift out of the Islands of Dragons, ending up in Allegoy, Zilverrijk and Brineina. They are about the size of a human.
Quetzals are giant long-necked pterosaurs the size of giraffes. They can often seen walking the open fields of the Islands of Dragons. Only really taking to the sky when they run out of food or feel threatened. They can spend months in the sky when they are flying, hunting smaller pterosaurs and birds.