What did a Cynognathus look like?
Cynognathus was approximately as large as a modern wolf and, like the wolf, was an active predator. The body of Cynognathus was not massively constructed. The tail was short, and the limbs were tucked well under and close to the body, providing the potential for rapid and efficient locomotion.
Where is Cynognathus found?
Cynognathus is an extinct mammal-like reptile. The name literally means ‘dog jaw’. Cynognathus was as large as a modern wolf and lived during the early to mid Triassic period (250 to 240 million years ago). It is found as fossils only in South Africa and South America.
What kind of creature was the Cynognathus?
Cynognathus is an extinct genus of large-bodied cynodontian therapsids that lived in the Middle Triassic. It is known from a single species, Cynognathus crateronotus. Cynognathus was a 1.2-metre (3 ft 11 in) long predator closely related to mammals and had a southern hemispheric distribution.
What was the Cynognathus eat?
Diet and Teeth: Cynognathus was a fast-moving carnivore (a meat-eater). It had powerful jaws and dog-like teeth, including sharp incisors, long canines, and shearing cheek teeth. This predator hunted herbivores like Kannemeyeria (another early therapsid) in packs.
What did the Glossopteris look like?
Glossopteris occurred in a variety of growth forms. Its most common fossil is that of a tongue-shaped leaf with prominent midrib and reticulate venation. Glossopteris leaves are commonly found in thick mats, and thus some authorities speculate that the plants were deciduous.
Was Cynognathus a warm blooded?
Technically classified as a “cynodont,” or dog-toothed, therapsid, Cynognathus was a fast, fierce predator, much like a smaller, sleeker version of a modern wolf. Most startlingly, evidence points to Cynognathus having a warm-blooded, “mammalian” metabolism, quite unlike most of the cold-blooded reptiles of its day.
Can the Cynognathus swim?
Cynognathus and Lystrosaurus were land reptiles and were unable to swim. Grooves and rock deposits left by ancient glaciers are found today on different continents very close to the equator. This would indicate that the glaciers either formed in the middle of the ocean and/or covered most of the Earth.
Do the Glossopteris fossils tell us?
Answer: Yes. Because they indicate biological identity of these plants that were critical for recognizing former connections between the various fragments of Gondwana: South America, Africa, India, Australia, New Zealand, and Antarctica.
What kind of plant was Glossopteris?
Glossopteris was a woody, seed-bearing shrub or tree, some apparently reaching 30 meters tall. They had a softwood interior that resembles conifers of the family Araucariaceae.
Who discovered the Cynognathus?
Given its wide distribution, you may be surprised to learn that the genus Cynognathus includes only one valid species, C. crateronotus, named by the English paleontologist Harry Seeley in 1895.
What do the Glossopteris fossils were found in Antarctica?
Glossopteris fossils tell us that the continents especially Southern Africa, Australia, India and Antarctica which are now separated by wide oceans were once connected because the large seeds of this plant could not possibly travel a long journey by the wind or survive a rough ride through ocean waves.
In what continents do Glossopteris fossils were found?
The Glossopteris fossil is found in Australia, Antarctica, India, South Africa, and South America—all the southern continents. Now, the Glossopteris seed is known to be large and bulky and therefore could not have drifted or flown across the oceans to a separate continent.
Is the Cynognathus a reptile or a mammal?
Cynognathus hunted large prey in packs. Though cynognathus was a reptile, it had many features of modern-day mammals. Only mammals have long canine teeth like those seen in cynognathus fossils, and the prehistoric beast’s skin was likely covered in fur, also a trait of mammals.
What kind of skin did the Cynognathus have?
Only mammals have long canine teeth like those seen in cynognathus fossils, and the prehistoric beast’s skin was likely covered in fur, also a trait of mammals. Plus, its legs were positioned underneath its body rather than out to the sides, unlike most reptiles of the time.
How did the Cynognathus therapsid get its name?
It was first discovered in 1895 by British paleontologist Harry Seeley and was given its name the same year. This therapsid’s name means “dog jaw.” One of the most fascinating facts about Cynognathus is that it possessed a lot of the traits that many later creatures would evolve to have millions upon millions of years later.
What is the scientific name for Cynognathus crateronotus?
The species Cynognathus crateronotus is also known as Cistecynodon parvus, Cynidiognathus broomi, Cynidiognathus longiceps, Cynidiognathus merenskyi, Cynognathus beeryi, Cynognathus minor, Cynognathus platyceps, Cynogomphius berryi, Karoomys browni, Lycaenognathus platyceps, Lycochampsa ferox, Lycognathus ferox, Nythosaurus browni.