stegocephalia मीनिंग इन हिंदी

उदाहरण वाक्य

1. The names Stegocephalia and Labyrinthodontia were used interchangeably to refer to the order in which it belonged.
2. Stegocephalia means " roof-headed " in Greek, a reference to the wide, flat heads of temnospondyls and other early tetrapods.
3. This concept of the clade Stegocephalia was chosen to substitute for the name Tetrapoda by those who sought to restrict Tetrapoda to the crown group.
4. Later in the 19th century, temnospondyls were classified as various members of Stegocephalia, a name coined by American paleontologist Edward Drinker Cope in 1868.
5. "Sclerocephalus " was often classified within the deprecated paraphyletic taxa Stegocephalia and Labyrinthodontia, because of a skull that was connected to the shoulder girdle and teeth of labyrinthodont type.
6. Because of these scales, the caecilians were once thought to be related to the fossil Stegocephalia, but they are now believed to be a secondary development, and the two groups are most likely unrelated.
7. The largely synonymous name Stegocephalia has been taken up by Michel Laurin and defined tetrapodamorphs, though its total content is a matter of some uncertainty, as the relationships of these animals are not well understood.
8. Stegocephalia is a larger group equivalent to some broader uses of the word " tetrapod ", used by scientists who prefer to reserve the word " tetrapod " for the crown group ( based on the nearest common ancestor of living forms ).
9. A famous locality that yielded numerous excellently preserved fossils of " Sclerocephalus " is Odernheim am Glan in Rhineland-Palatinate ( Germany ), where the Permian sediments of the Rotliegend have even been named " Stegocephalenkalke " ( = Stegocephalia limestones ).
10. Paleontologist Michel Laurin took up the older term and defined stegocephalians cladistically as all vertebrates more closely related to temnospondyli than to " Panderichthys " ( the closest relative of tetrapods known to have retained paired fins, see below ) Therefore, Stegocephalia includes all vertebrate groups that have toes rather than fins, and a few ( " Elginerpeton ", " Metaxygnathus ", " Ventastega " and possibly " Hynerpeton " ) that may have retained paired fins.