Albertosaurus in a sentence

Both cards include an image of the Albertosaurus, a dinosaur whose bones were first discovered in Alberta.

A hypothesis of Albertosaurus life history postulates that hatchlings died in large numbers, but have not been preserved in the fossil record due to their small size and fragile construction.

Almost three-quarters of all Albertosaurus remains have been discovered alongside the river, in outcrops like the ones on either side of this picture.

Also in 1988, Paul renamed Alectrosaurus olseni (Gilmore 1933) into Albertosaurus olseni; this has found no general acceptance.

As a tyrannosaurid, Albertosaurus was a bipedal predator with tiny, two-fingered hands and a massive head that had dozens of large, sharp teeth.

Between 1926 and 1972, no Albertosaurus fossils were found at all; but, since the seventies, there has been a steady increase in the known material.

In 2010, the health of the Dry Island Albertosaurus assembly was reported upon.

In fact, Switek notes that the Albertosaurus bonebed site, on which Currie has based most of the interpretations of supposed pack hunting in related species, preserves geological evidence of just such a flood.

Juveniles may also have had different lifestyles than adults, filling predator niches between the enormous adults and the smaller contemporaneous theropods, the largest of which were two orders of magnitude smaller than adult Albertosaurus in mass.

Life restoration William Abler observed in 2001 that Albertosaurus tooth serrations resemble a crack in the tooth ending in a round void called an ampulla.

Like with Tyrannosaurus, the maxillary (cheek) teeth of Albertosaurus were adapted in general form to resist lateral forces exerted by a struggling prey.

Other species Apart from A. sarcophagus, A. arctunguis and A. libratus, several other species of Albertosaurus have been named.

Recognizing this, Currie nevertheless recommended that Albertosaurus and Gorgosaurus be retained as separate genera, as he concluded that they were no more similar than Daspletosaurus and Tyrannosaurus, which are almost always separated.

The Horseshoe Canyon skulls also differed markedly from the remains of D. aquilunguis, type species of Dryptosaurus, so Osborn created the new name Albertosaurus sarcophagus for them in 1905.

Typically for a theropod, Albertosaurus was bipedal and balanced the heavy head and torso with a long tail.

Tyrannosaurids similar in size to Albertosaurus had similar growth rates, although the much larger Tyrannosaurus rex grew at almost five times this rate (convert per year) at its peak.

Younger Albertosaurus were probably equally fleet-footed, or at least faster than their prey.