The event brought about the extinction of the Spinosauridae, Pliosauridae, and possibly Ichthyosauria; although coracoids of Maastrichtian age may belong to ichthyosaurs, indicating the survival of the group until the latest Cretaceous.
12.
At the beginning of the Late Cretaceous, the Ichthyosauria became extinct; perhaps a plesiosaur group evolved to fill their niches : the Polycotylidae, which had short necks and peculiarly elongated heads with narrow snouts.
13.
They defined a node clade Ichthyosauria as the group consisting of the last common ancestor of " Thaisaurus chonglakmanii ", " Utatsusaurus hataii " and " Ophthalmosaurus icenicus "; and all its descendants.
14.
However, recent re-examination of the type material of " Rachitrema " reaffirms the ichthyosaurian classification of the genus, with most of the original remains referable to Ichthyosauria, and the rest being indeterminate beyond Reptilia.
15.
Basal ichthyopterygians ( prior to and ancestral to true Ichthyosauria ) were mostly small ( a meter or less in length ) with elongate bodies and long spool shaped vertebrae, indicating that they swam in a sinuous eel-like manner.
16.
""'Ichthyosaurus " "'( derived from Order Ichthyosauria being named after it . " Ichthyosaurus " was the first complete fossil to be discovered in the early 19th century by Mary Anning in England.
17.
These very early " proto-ichthyosaurs " had such a distinctive build compared to " ichthyosaurs proper " that Motani excluded them from the Ichthyosauria and placed them in a basal position in a larger clade, the Ichthyopterygia ( Motani 1997, Motani et al . 1998 ).
18.
Ichthyosaurs belong to the order known as "'Ichthyosauria "'or "'Ichthyopterygia "'('fish flippers' a designation introduced by Sir Richard Owen in 1840, although the term is now used more for the parent clade of the Ichthyosauria ).
19.
Ichthyosaurs belong to the order known as "'Ichthyosauria "'or "'Ichthyopterygia "'('fish flippers' a designation introduced by Sir Richard Owen in 1840, although the term is now used more for the parent clade of the Ichthyosauria ).
How to say ichthyosauria in Hindi and what is the meaning of ichthyosauria in Hindi? ichthyosauria Hindi meaning, translation, pronunciation, synonyms and example sentences are provided by Hindlish.com.
