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Parasaurolophus (/ ˌ p ær ə s ɔː ˈ r ɒ l ə f ə s,-ˌ s ɔːr ə ˈ l oʊ f ə s /; meaning "beside crested lizard" in reference to Saurolophus) [2] is a genus of hadrosaurid "duck-billed" dinosaur that lived in what is now western North America and possibly Asia during the Late Cretaceous period, about 76.9–73.5 million years ago. [3]
Lambeosaurines originated on the continent of Laurasia during the Late Cretaceous, being initially found throughout modern Europe and Asia.Around the Campanian stage, lambeosaurines of the tribe Corythosauria colonized the landmass of Laramidia (modern western North America) via Beringia and spread as far south as Mexico, radiating into a diverse array of a body plans, including famous taxa ...
This cladogram is a recent modification of the original 2010 analysis, including more characters and taxa. The resulting cladistic tree of their analysis was resolved using Maximum-Parsimony. 61 hadrosauroid species were included, characterized for 273 morphological features: 189 for cranial features and 84 for postcranial features.
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Species Common name Pseudacris cadaverina: California chorus frog Pseudacris hypochondriaca: Southern Pacific chorus frog Pseudacris regilla: Northern Pacific chorus frog Pseudacris sierra: Central Pacific chorus frog
The Chinese owner of an unauthorized central California lab that fueled conspiracy theories about China and biological weapons has been arrested on charges of not obtaining the proper permits to ...
An NYC pet owner slapped a Bronx dog boarding facility with a $3 million lawsuit after his beloved pooch allegedly died by wolfing down a chunk of carpet on their watch.
The size of the two Saurolophus species compared to humans. Saurolophus is known from material including nearly complete skeletons, giving researchers a clear picture of its bony anatomy. S. osborni, the rarer Albertan species, was around 8.2–8.5 m (27–28 ft) long, with its skull 1.0 m (3.3 ft) long.