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Há 4 dias · Lisowicia bojani, likely the biggest non-mammal synapsid ever, compared to a human The Late Triassic Lisowicia bojani , from what is now southern Poland , probably was the largest of all non-mammalian synapsids (most of which became extinct 250 million years ago), at 4.5 m (15 ft) in length, 2.6 m (8.5 ft) in height and 9 t (20,000 lb) in weight. [65]
Há 1 dia · Marsupials have the typical characteristics of mammals —e.g., mammary glands, three middle ear bones, (and ears that usually have tragi, [3] varying in hearing thresholds [4]) and true hair. [5] There are, however, striking differences as well as a number of anatomical features that separate them from eutherians .
Há 2 dias · 2024 in paleontology. Science +... Paleontology or palaeontology is the study of prehistoric life forms on Earth through the examination of plant and animal fossils. [1] This includes the study of body fossils, tracks ( ichnites ), burrows, cast-off parts, fossilised feces ( coprolites ), palynomorphs and chemical residues.
Há 2 dias · Human evolution. The hominoids are descendants of a common ancestor. Human evolution is the evolutionary process within the history of primates that led to the emergence of Homo sapiens as a distinct species of the hominid family that includes all the great apes. [1]
Há 1 dia · Terminology Juvenile red foxes are known as kits. Males are called tods or dogs, females are called vixens, and young are known as cubs or kits. Although the Arctic fox has a small native population in northern Scandinavia, and while the corsac fox's range extends into European Russia, the red fox is the only fox native to Western Europe, and so is simply called "the fox" in colloquial British ...
Há 2 dias · Schlesinger, 1917. A mastodon ( mastós 'breast' + odoús 'tooth') is a member of the genus Mammut (German for "mammoth"), which strictly defined, was endemic to North America and lived from the late Miocene to the early Holocene. Mastodons belong to the order Proboscidea, the same order as elephants and mammoths (which belong to the family ...
Há 1 dia · Salamandroidea. Native distribution of salamanders (in green) Salamanders are a group of amphibians typically characterized by their lizard -like appearance, with slender bodies, blunt snouts, short limbs projecting at right angles to the body, and the presence of a tail in both larvae and adults. All ten extant salamander families are grouped ...
