Sentences with phrase «modern mammals called»
The site contains abundant fossils, diverse assemblages of Triassic animals including relatives of crocodylians, giant - headed amphibians and ancient relatives of modern mammals called cynodonts.
https://www.sciencenews.org/ Not exact matches
«In particular, we found a group called Laurasiatheria quickly increased their body size and ecological diversity, setting them on a path that would result in a modern group containing mammals as diverse as bats, cats, rhinos, whales, cows, pangolins, shrews and hedgehogs.»
The species name xenarthrosus refers to the odd way the creature's spinal vertebrae interlock and stiffen the back, similar to modern - day armadillos, anteaters, and other mammals in a group called xenarthrans.
Conventional wisdom holds that the precursors of modern placental and marsupial mammals arose toward the end of the Jurassic in the Northern Hemisphere, based on the ages and locations of the earliest remains of these shrewlike creatures, which are characterized by so - called tribosphenic molars.