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Bonaparte, 1985. Carnotaurus (/ ˌkɑːrnoʊˈtɔːrəs /; lit. 'meat bull') is a genus of theropod dinosaur that lived in South America during the Late Cretaceous period, probably sometime between 72 and 69 million years ago. The only species is Carnotaurus sastrei. Known from a single well-preserved skeleton, it is one of the best-understood ...
Brachyrostra (meaning "short snouts") is a clade within the theropod dinosaur family Abelisauridae. It includes the famous genera Carnotaurus, Abelisaurus, Aucasaurus as well as their close relatives from the Cretaceous Period of Argentina and Brazil plus Caletodraco from France [1]. The group was first proposed in an analysis conducted by Juan ...
Carnosauria is an extinct group of carnivorous theropod dinosaurs that lived during the Jurassic and Cretaceous periods.. While Carnosauria was historically considered largely synonymous with Allosauroidea, some recent studies have revived Carnosauria as clade including both Allosauroidea and Megalosauroidea (which is sometimes recovered as paraphyletic with respect to Allosauroidea), and thus ...
The O‘ahu ‘ō‘ō (Moho apicalis) is among dozens of bird species that became extinct after the human settlement of Hawaii. This is a list of Hawaiian species extinct in the Holocene that covers extinctions from the Holocene epoch, a geologic epoch that began about 11,650 years before present (about 9700 BCE) [a] and continues to the ...
Extinct Birds from John James Audubon's Birds of America; New Zealand Extinct Birds List; The Extinction Website; Naturalis – Extinct Birds Archived 2009-10-25 at the Wayback Machine: 3D images of extinct bird species in the collection of the National Museum of Natural History (Leiden, Netherlands). 13 newly-discovered birds declared extinct ...
Compsognathidae is a family of coelurosaurian theropod dinosaurs. Compsognathids were small carnivores, generally conservative in form, hailing from the Jurassic and Cretaceous Periods. The bird-like features of these species, along with other dinosaurs such as Archaeopteryx inspired the idea for the connection between dinosaur reptiles and ...
The largest bird in the fossil record may be the extinct elephant bird species Aepyornis maximus of Madagascar, whose closest living relative is the kiwi. Giant elephant birds exceeded 2.3 metres (7.5 ft) in height, and average a mass of 850 kg (1,870 lb) [460] The largest fowl was the mihirung Dromornis stirtoni of Australia.
A captive Soccorro dove at the Louisville Zoo. Socorro dove – previously endemic to Socorro Island [1] Hawaiian crow – previously endemic to the Big island of Hawaii [2] Alagoas curassow – previously endemic to the state of Alagoas, Brazil [3] Spix's macaw – previously endemic to Bahia, Brazil [4] Guam kingfisher – previously endemic ...