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The pelvis was incomplete, containing both pubes and the left ischium. The ischium is uniquely pointed almost directly horizontally. The ischium is uniquely pointed almost directly horizontally. The pubes were likely nearly 1 metre (3.3 ft) when fully preserved, with thin shafts that were transversely expanded at the anterior ends where they ...
Giganotosaurus was one of the largest known terrestrial carnivores, but the exact size has been hard to determine due to the incompleteness of the remains found so far. Estimates for the most complete specimen range from a length of 12 to 13 m (39 to 43 ft), a skull 1.53 to 1.80 m (5.0 to 5.9 ft) in length, and a weight of 4.2 to 13.8 t (4.6 to ...
[14] [15] However, in 1817, Karl Dietrich Eberhard Koenig had already referred to the animal as Ichthyosaurus, "fish saurian" from Greek ἰχθύς, ichthys, "fish". This name at the time was an invalid nomen nudum and was only published by Koenig in 1825, [ 16 ] but was adopted by De la Beche in 1819 in a lecture where he named three ...
The gharial is the most extreme example and a fish specialist; Australian freshwater crocodiles, which have similarly shaped skulls to gharials, also specialize more on fish than sympatric, broad snouted crocodiles and are opportunistic feeders which eat all manner of small aquatic prey, including insects and crustaceans. Thus, spinosaurids ...
The ischium was 49.6 cm (19.5 in) long, making it shorter in relation to the pubis than in all other known tetanuran theropods. The ischium's main body was large and extensive—atypical of the Y-shaped upper ischia of other tetanurans—and bore an oval-shaped obturator foramen in its side.
Cast of the first known complete Ichthyosaurus specimen (originally referred to as Proteosaurus), which was destroyed during WW2. Ichthyosaurus was the first complete fossil to be discovered in the early 19th century by Mary Anning in England; [9] the holotype of I. communis, no coll. number given, [10] was a fairly complete specimen discovered by Mary and Joseph Anning around 1814 in Lyme ...
Deinocheirus (/ ˌ d aɪ n oʊ ˈ k aɪ r ə s / DY-no-KY-rəs) is a genus of large ornithomimosaur that lived during the Late Cretaceous around 70 million years ago. In 1965, a pair of large arms, shoulder girdles, and a few other bones of a new dinosaur were first discovered in the Nemegt Formation of Mongolia.
Cleithrum and scapula from a wrasse.The larger bone is the cleithrum. The cleithrum (pl.: cleithra) is a membrane bone which first appears as part of the skeleton in primitive bony fish, where it runs vertically along the scapula. [1]