- Meer weergeven
Alles weergeven op WikipediaGnathostomata are the jawed vertebrates. Gnathostome diversity comprises roughly 60,000 species, which accounts for 99% of all living vertebrates, including humans. In addition to opposing jaws, living gnathostomes have true teeth (a characteristic which has subsequently been lost in some), paired appendages … Meer weergeven
The appearance of the early vertebrate jaw has been described as "a crucial innovation" and "perhaps the most profound and radical evolutionary step in the vertebrate … Meer weergeven
Wikipedia-tekst onder CC-BY-SA-licensie Kaakdieren - Wikipedia
WEBDe Gnathostomata of kaakdieren zijn een groep van dieren die behoort tot de chordadieren (Chordata). De groep wordt gekenmerkt door het bezit van …
- Geschatte leestijd: 40 seconden
Palaeospondylus and the early evolution of gnathostomes | Nature
WEB23 aug. 2023 · Bayesian tip-dated phylogeny of 99 early gnathostomes based on the revised matrix presented in this study, showing the position of †P. gunni (bolded) within …
- Email: chase.brownstein@yale.edu
WEBThe Gnathostomata, or gnathostomes, are the majority of the Middle Devonian (-380 million years ago) to Recent vertebrates. They differ from all other craniates or …
- Mensen vragen ook naar
The oldest gnathostome teeth | Nature
WEB28 sep. 2022 · The fossil record currently points to the latter part of the Silurian period 4, 5, 6, 7 (around 425 million years ago) as a minimum date for the appearance of …
WEB23 mei 2018 · Gnathostomata A subphylum or superclass of chordates consisting of all vertebrates that possess jaws. It contains six extant classes: Chondrichthyes …
Gnathostomata - Wikiwand
WEBGnathostomata ( / ˌnæθoʊˈstɒmətə /; from Ancient Greek: γνάθος ( gnathos) 'jaw' + στόμα ( stoma) 'mouth') are the jawed vertebrates. Gnathostome diversity comprises roughly …
The oldest complete jawed vertebrates from the early Silurian
WEB28 sep. 2022 · Here we report a newly discovered Konservat-Lagerstätte, which is marked by the presence of diverse, well-preserved jawed fishes with complete bodies, from the …
Gnathostomes | SpringerLink
WEBThe Gnathostomata thus includes almost all the living vertebrates which are divided into the six classes: Chondrichthyes, Osteichthyes, Amphibia, Reptilia, Aves and Mammalia. …
Gnathostomata - Simple English Wikipedia, the free encyclopedia
WEBGnathostomata is the group of vertebrates with jaws. The group was meant to include all jawed fish, but in modern fashion it also includes all the tetrapods as well, since they …
Doorgaan naar inhoud
