Search results
Results from the WOW.Com Content Network
List of mosasaur genera. List of prehistoric annelid genera. List of prehistoric barnacles. List of prehistoric brittle stars. List of prehistoric bryozoan genera. List of prehistoric chitons. List of prehistoric foraminifera genera. List of ichthyosaur genera. List of marine gastropod genera in the fossil record.
The herbivorous Alierasauruswas the largest caseidand the largest amnioteto have lived at the time, with an estimated length around 6–7 m (20–23 ft).[3] Cotylorhynchus hancockiis also large, with an estimated length and weight of at least 6 m (20 ft)[4]and more than 500 kg (1,100 lb).
The prefix palaeo- or paleo- means "ancient, old", [1] and is derived from the Greek adjective παλαιός, palaios. [2] Paleobotany includes the study of terrestrial plant fossils, as well as the study of prehistoric marine photoautotrophs, such as photosynthetic algae, seaweeds or kelp. A closely related field is palynology, which is the ...
Recently extinct mammals are defined by the International Union for Conservation of Nature (IUCN) as any mammals that have become extinct since the year 1500 CE. [1] Since then, roughly 80 mammal species have become extinct.
Depictions of the animals in rock art are exceptionally rare, though examples estimated to be up to 4,000 years old have been discovered in Wollemi National Park. [36] The wombat is depicted in aboriginal Dreamtime as an animal of little worth. The mainland stories tell of the wombat as originating from a person named Warreen whose head had ...
Sauropodomorpha. Sauropodomorpha ( / ˌsɔːrəˌpɒdəˈmɔːrfə / [ 2] SOR-ə-POD-ə-MOR-fə; from Greek, meaning "lizard-footed forms") is an extinct clade of long-necked, herbivorous, saurischian dinosaurs that includes the sauropods and their ancestral relatives.
Megalania ( Varanus priscus) is an extinct species of giant monitor lizard, [1] part of the megafaunal assemblage that inhabited Australia during the Pleistocene. It is the largest terrestrial lizard known to have existed, but the fragmentary nature of known remains make estimates highly uncertain. Recent studies suggest that most known ...
539 Ma – present. The Phanerozoic Eon (Greek: period of well-displayed life) marks the appearance in the fossil record of abundant, shell-forming and/or trace-making organisms. It is subdivided into three eras, the Paleozoic, Mesozoic and Cenozoic, with major mass extinctions at division points.