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Hace 2 días · External mold of the extinct Lepidodendron from the Upper Carboniferous of Ohio. A species is extinct when the last existing member dies. Extinction therefore becomes a certainty when there are no surviving individuals that can reproduce and create a new generation.
Hace 2 días · The dodo (Raphus cucullatus) is an extinct flightless bird that was endemic to the island of Mauritius, which is east of Madagascar in the Indian Ocean. The dodo's closest relative was the also-extinct and flightless Rodrigues solitaire.
24 de abr. de 2024 · This giant extinct salmon had tusks like a warthog. Scientists initially thought that the outsized teeth were fangs, giving rise to the ‘sabre-toothed salmon’ nickname. The now-extinct salmon...
Hace 5 días · Mammoth, any member of an extinct group of elephants found as fossils in Pleistocene and Holocene deposits on several continents. The woolly, Northern, or Siberian mammoth (Mammuthus primigenius) is by far the best-known of all mammoths and may have persisted as late as 4,300 years ago.
Hace 2 días · Otodus megalodon (/ ˈ m ɛ ɡ əl ə d ɒ n / MEG-əl-ə-don; meaning "big tooth"), commonly known as megalodon, is an extinct species of giant mackerel shark that lived approximately 23 to 3.6 million years ago (Mya), from the Early Miocene to the Pliocene epochs.
8 de may. de 2024 · The deep ocean photographer that captured a 'living fossil'. Scientists are racing to trace deep ocean species before they are lost, with the help of photographers who have a taste for danger.
24 de abr. de 2024 · Scientists have known that Ptychodus roamed vast areas of the world’s oceans, emerging around 105 million years ago and going extinct roughly 30 million years later.
