tetrapods In A Sentence
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- For example, the saccule gave rise to the auditory epithelium and corresponding neuronal population of tetrapods, starting possibly in an aquatic environment.
- Amniotes are tetrapods ( descendants of four-limbed and backboned animals ) that are characterised by having an fetus.
- ""'Discosauriscus " "'was a small stegocephalian that has long been considered a reptiliomorph, but that some recent analyses place among stem-tetrapods.
- Friedrich von Huene adopted it as a superorder of his subclass " Eutetrapoda " ( the lower tetrapods exclusive of the anurans ).
- The lengthening of the glenoid corresponds with a flattening of the proximal end of the humerus, a feature common in the forelimbs of more advanced stem tetrapods.
- All we know is that tetrapods branched off into two groups.
- In the earliest tetrapods, exhalation was probably accomplished with the aid of the muscles of the torso ( the thoracoabdominal region ).
- As with most tetrapods, the shoulder joint was formed by the scapula and coracoid.
- The nostrils in most bony fish differ from those of tetrapods.
- "Acanthostega " is a partially aquatic tetrapod with developed limbs that shares features common with the earlier tetrapods, " Panderichthys " and " Eusthenopteron ".
- In coelacanths and early tetrapods the bone is relatively large.
- In " Spathicephalus ", plagiosaurids, and many other early tetrapods, a pair of holes at the back of the palate called the subtemporal fossae function as anchors for the adductors.
- Less commonly ( as in Milner 1988 ), living tetrapods are ranked as Divisions Amphibia and Amniota within the clade of vertebrates with fleshy limbs ( Sarcopterygii ).
- Exactly what labyrinthodonts are in the stem group tetrapods rather than the corresponding crown group is uncertain, as the phylogeny of early tetrapods is not well understood.
- In tetrapods, the ileocaecal valve is always present, opening into the colon.
- However, the origin and relationships of the various lissamphibian groups both with each other and among other early tetrapods remains controversial.
- In most tetrapods including the human, the vertebrae are connected with each other only via the centrum and the zygapophysis joints.
- Or at least pectoral fin . But tetrapods, which evolved from fish, did.
- The elpistostegalid fish are considered the most apomorphic of fish in comparison to tetrapods.
- In tetrapods without secondary palates their function relates primarily to olfaction ( sense of smell ).
- Relative to other early tetrapods ( labyrinthodonts ), they had simplified backbones, where the whole vertebra was made of a single intercentrum, topped by a neural arch.
- He is interested in the diversity, paleoecology, and evolutionary history of Mesozoic tetrapods, especially archosaurian reptiles and cynodont therapsids, and the history of biology and paleontology.
- The earliest tetrapods.
- Tetrapods are the only tetrapodomorphs that survived after the Devonian.
- Early tetrapods like " Ichthyostega " and " Acanthostega " differed from earlier tetrapodomorphs such as " Eusthenopteron " or " Panderichthys " in their increased adaptations for life on land.
- Other known lungless tetrapods are the Bornean flat-headed frog and " Atretochoana eiselti ", a caecilian.
- Also uniquely amongst tetrapods, the scolecomorphids lack a stapes bone in the middle ear.
- The Moradi Formation may have been a refugium for many tetrapods that were once diverse earlier in the Permian but had been replaced elsewhere on the supercontinent by new tetrapod faunas.
- Tetrapods simply aren't supposed to have a fish's gills.
- We're all four limbed we're tetrapods.
- However, with the exception of the vestigially ) in all higher taxa of tetrapods.
- The earliest tetrapods retained this arrangement, with the addition of a diamond-shaped "'interclavicle "'between the base of the clavicles, although this is not found in living amphibians.
- In Carboniferous tetrapods, the neck joint ( occiput ) provided a pivot point for the spine against the back of the skull.
- Jarvik also claimed the existence of choanae in porolepiformes which linked them to tetrapods, but this has remained controversial.
- Tetrapods usually make seismic waves by drumming on the ground with a body part, a signal that is sensed by the sacculus of the receiver.
- The increasing knowledge of Labyrinthodonts from Romer's gap has led to the challenging of the hypothesis that pentadactyly, as displayed by most modern tetrapods, is plesiomorphic.
- The "'Lissamphibia "'are a group of tetrapods that includes all modern amphibians.
- The lobe-finned ancestors of the tetrapods evolved them further, while the ancestors of the ray-finned fishes ( Actinopterygii ) evolved their fins in a different direction.
Similar words: Tetryl, Tetraglot, Tetramethylene, Tetracyclic, Tetracyclines, Tetched, Tetum, Tetraborate, Tetranychus, Tetrazolium, Tetrahedral, Tetra, Tetrarch, Tetani, Tetraploidy, Tetrode, Tetrasulfide, Tetrasubstituted, Tetramerous, Tethering