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Birds and crocodilians lay hard-shelled eggs, as did extinct dinosaurs, and crocodylomorphs. Hard-shelled eggs are present in both dinosaurs and crocodilians, which has been used as an explanation for the absence of viviparity or ovoviviparity in archosaurs. [ 38 ]
Modern paleontologists define Archosauria as a crown group that includes the most recent common ancestor of living birds and crocodilians, and all of its descendants. The base of Archosauria splits into two clades: Pseudosuchia , which includes crocodilians and their extinct relatives, and Avemetatarsalia , which includes birds and their ...
Archosaurus (meaning "ruling lizard") is an extinct genus of carnivorous proterosuchid archosauriform reptile. [1] Its fossils are dated to the latest Permian of Russia and Poland , it is one of the earliest known archosauriforms.
Oviparous animals are animals that reproduce by depositing fertilized zygotes outside the body (known as laying or spawning) in metabolically independent incubation organs known as eggs, which nurture the embryo into moving offsprings known as hatchlings with little or no embryonic development within the mother.
Squamates are represented by viviparous, ovoviviparous, and oviparous species. Viviparous means that the female gives birth to live young, Ovoviviparous means that the egg will develop inside the female's body and Oviparous means that the female lays eggs. A few species within Squamata have the ability to reproduce asexually. [32]
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Doechii is a Grammy winner!. The "Alter Ego" musician won the Grammy award for best rap album for her mixtape Alligator Bites Never Heal on Sunday, Feb. 2 at the 67th Grammy Awards in Los Angeles ...
This is an accepted version of this page This is the latest accepted revision, reviewed on 5 February 2025. This list of fictional birds is subsidiary to the list of fictional animals. Ducks, penguins and birds of prey are not included here, and are listed separately at list of fictional ducks, list of fictional penguins, and list of fictional birds of prey. For non-fictional birds see List of ...