Rhynchocephalia - Wikipedia
WEBRhynchocephalia ( / ˌrɪŋkoʊsɪˈfeɪliə /; lit. 'beak-heads') is an order of lizard-like reptiles that includes only one living species, the tuatara ( Sphenodon punctatus) of New Zealand. Despite its current lack of diversity, during the Mesozoic rhynchocephalians were a speciose group with high morphological and ecological diversity.
Rhynchocephalia - an overview | ScienceDirect Topics
WEBThe rhynchocephalians, or tuatara, constitute a separate order of reptiles. The two living species of tuatara, Sphenodon punctatus and S. guntheri, are found only on small islands off the coast of New Zealand. Because of their phylogenetic importance as a sister group to squamate reptiles, their chemosensory systems have been studied to a ...
The tuatara genome reveals ancient features of amniote evolution
WEBAug 5, 2020 · The tuatara ( Sphenodon punctatus )—the only living member of the reptilian order Rhynchocephalia (Sphenodontia), once widespread across Gondwana 1, 2 —is an iconic species that is endemic to...
Rhynchocephalia - Wikiwand
WEBRhynchocephalia ( / ˌrɪŋkoʊsɪˈfeɪliə /; lit. 'beak-heads') is an order of lizard-like reptiles that includes only one living species, the tuatara ( Sphenodon punctatus) of New Zealand. Despite its current lack of diversity, during the Mesozoic rhynchocephalians were a speciose group with high morphological and ecological diversity.
Rhynchocephalia | Encyclopedia.com
WEBviews 1,601,807 updated May 08 2018. Rhynchocephalia (‘beak-heads’, rhynchocephalians; class Reptilia) Order of primitive, lizard-like reptiles dating from the Triassic and often cited as a living fossil. The order contains only one species, Sphenodon punctatus, the tuatara of New Zealand.
Smithsonian Researchers Discover Extinct Prehistoric Reptile That …
WEBSep 15, 2022 · In their Jurassic heyday, rhynchocephalians were found nearly worldwide, came in sizes large and small, and filled ecological roles ranging from aquatic fish hunters to bulky plant munchers.
Fossil Reveals Secrets of One of Nature’s Most Mysterious Reptiles
WEBMar 6, 2022 · By Jack Tamisiea. Published March 6, 2022 Updated March 7, 2022. New Zealand’s tuatara look like somber iguanas. But these spiny reptiles are not actually lizards. Instead, they are the last...
The youngest South American rhynchocephalian, a survivor of the …
WEBOct 7, 2014 · Abstract. Rhynchocephalian lepidosaurs, though once widespread worldwide, are represented today only by the tuatara ( Sphenodon) of New Zealand. After their apparent early Cretaceous extinction in Laurasia, they survived in southern continents. In South America, they are represented by different lineages of Late Cretaceous …
Rhynchocephalia - an overview | ScienceDirect Topics
WEBRhynchocephalians were a very diverse and widespread group of lepidosaurs during the Mesozoic era, but by approximately 60 million years ago, they were extinct everywhere except in New Zealand. The last surviving rhynchocephalians are restricted to a few islands in New Zealand.
Small fossil reptile could help to explain large evolutionary mystery
WEBSep 15, 2022 · What are rhynchocephalians? While superficially they look similar, rhynchocephalians are not lizards. Instead, they are the closest relatives of squamates, the group which includes snakes, lizards and limbless animals known as amphisbaenians.
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