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Hylonomus (/ h aɪ ˈ l ɒ n əm ə s /; hylo-"forest" + nomos "dweller") [2] is an extinct genus of reptile that lived during the Bashkirian stage of the Late Carboniferous.It is the earliest known crown group amniote and the oldest known unquestionable reptile, with the only known species being Hylonomus lyelli.
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 specimens would have reached around 2–3 m (6.6–9.8 ft) in body length excluding the tail, while some individuals would have been significantly larger, reaching sizes ...
The President, located in Sequoia National Park, California, is the oldest known living giant sequoia (Sequoiadendron giganteum) at approximately 3,200 years of age. [ 57 ] Yareta is a tiny flowering plant in the family Apiaceae native to South America, occurring in the Puna grasslands of the Andes in Peru , Bolivia , northern Chile, and ...
The world’s oldest known fossilized skin belonged to a species of reptile that lived before dinosaurs roamed the Earth, a new study has found. Rare skin fossil is oldest by 130 million years ...
The well-preserved remains of Bellairsia gracilis were discovered in the Isle of Skye in 2016.
Their closest living relatives are squamates (lizards and snakes). Tuatara are of interest for studying the evolution of reptiles. Tuatara are of interest for studying the evolution of reptiles. Tuatara are greenish brown and grey, and measure up to 80 cm (31 in) from head to tail-tip and weigh up to 1.3 kg (2.9 lb) [ 10 ] with a spiny crest ...
U.S. wildlife managers on Friday proposed federal protections for a rare lizard found only in parts of one of the world's most lucrative oil and natural gas basins. The U.S. Fish and Wildlife ...
It has been suggested to be one of the oldest known lizards and the oldest known iguanian. [1] The type and only species is Bharatagama rebbanensis , named in 2002. Over one hundred fossils of Bharatagama have been found in the Kota Formation , which outcrops in the Pranhita–Godavari Basin and dates back to about 190 million years ago (Ma).