Although no extinct fauna were identified, the presence of a large roost of Tadarida brasiliensis in the Chief City section is beyond the northern extent of its current range suggesting that this deposit dates to an undetermined interglacial period.
Although now extinct, for over 30 million years amphicyonids predated their way around the Northern continents and Africa, successfully exploiting niches from more slender, wolf-like runners, to big stocky brutes that put the "bear" in "bear-dog".
If so, Neandertals, although long extinct, may have left humanity a lasting genetic gift.
Although now extinct, the '80s bully was at one time one of the most dominant and powerful species in the animal kingdom.
Although most extinct parrot species of the Mascarenes are poorly known, subfossil remains show that they shared features such as enlarged heads and jaws, reduced pectoral bones, and robust leg bones.
Although most extinct parrot species of the Mascarenes are poorly known, subfossil remains show that they shared common features such as enlarged heads and jaws, reduced pectoral bones, and robust leg bones.
And now it seems to be extinct, although there are always new sightings.
Sphenopsids waned in the Early Permian and many groups became extinct, although Neocalamites and Equisetites are recovered from Mesozoic strata.
There are some familiar groups that, although they are extinct, we do know a fair bit about.
"Although Neanderthals are extinct, there's still a lot of genetic information about them floating around, in our own genomes.
