Oxygen is a chemical element with symbol O and atomic number 8. It is a member of the chalcogen group on the periodic table and is a highly reactive nonmetal and oxidizing agent that readily forms oxides with most elements as well as other compounds.
Rating Newest Oldest. Best Answer: The largest wolf on record was a male Alaskan wolf (Canis lupus pambasileus) which weighed 175 pounds. This is the largest wolf subspecies (up to 3 feet tall at the shoulder), but this individual was exceptional - they normally weigh no more than 130 pounds, occasionally up to 150. There is considerable variation in size across wolf subspecies, with more northerly populations usually being larger than more southerly ones.
The dire wolf (Canis dirus, fearsome dog) is an extinct carnivorous mammal of the genus Canis, roughly the size of the extant gray wolf, but with a heavier build.It evolved in North America and later moved into South America.alamander Cave in the Black Hills of South Dakota has produced the oldest known fossil of what is thought to be a dire wolf. The site preserves a fauna approximately 252,000 years old, based on uranium-series dating of a horse fossil found there.