Definition of Anamniote. Meaning of Anamniote. Synonyms of Anamniote

Here you will find one or more explanations in English for the word Anamniote. Also in the bottom left of the page several parts of wikipedia pages related to the word Anamniote and, of course, Anamniote synonyms and on the right images related to the word Anamniote.

Definition of Anamniote

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Meaning of Anamniote from wikipedia

- The anamniotes are an informal group of craniates comprising all fishes and amphibians, which lay their eggs in aquatic environments. They are distinguished...
- groups Image class Estimated number of described species Group totals Anamniote lack amniotic membrane so need to reproduce in water Jawless Fish Myxini...
- transition from aquatic to terrestrial environments. Fish and amphibians are anamniotes, lacking the allantois. In mammals the extraembryonic membranes are known...
- Threatened species in Red List Best estimate of percent of threatened species Anamniotes lay eggs in water Amphibians 8,707 8,020 92% 2,876 41% Amniotes adapted...
- (non-amphibian tetrapods) have cranial nerves similar to those of humans. In anamniotes (fishes and amphibians), the accessory nerve (XI) and hypoglossal nerve...
- informally into mammals, sauroids, and ichthyoids (the latter containing the anamniotes), based on the gaps in physiological traits and lack of transitional fossils...
- fertilized eggs within the mother (marsupial and placental mammals), unlike anamniotes (fish and amphibians) that have to spawn in or closely adjacent to aquatic...
- ctenophora, reptiles and amphibians. Some vertebrates that are both amniote or anamniote, including urodele amphibians, cartilaginous fish, birds and reptiles...
- ἀμνίον (amníon) amniocentesis, amnion, amnioscope, amniote, amniotic, anamniote amph-, amphi- both, on both sides of, both kinds Gr**** ἀμφί (amphí) "on...
- the divide. This would indicate the large and bulky diadectomorphs laid anamniote eggs (in water). However, no unambiguously diadectomorph tadpole is known...