Résultats de recherche
Il y a 2 jours · Temnospondyli. Temnospondyli (from Greek τέμνειν, temnein 'to cut' and σπόνδυλος, spondylos 'vertebra') or temnospondyls is a diverse ancient order of small to giant tetrapods —often considered primitive amphibians —that flourished worldwide during the Carboniferous, Permian and Triassic periods, with fossils being found on ...
21 mai 2024 · The taxonomic relationships of lungfish with other fish groups are subject to ongoing debate among researchers. If the current classification is accurate, lungfish are believed to be closely related to Tetrapodomorpha, the group of animals that gave rise to tetrapod vertebrates. Kingdom: Animalia; Class: Sarcopterygii; Subclass: Dipnoi
10 mai 2024 · These tetrapod tracks are 10 million years older than any of their assumed fish-like ancestors (elpistostegalians) among the lobe-finned-fish (Ahlberg 2019), and even 3-5 million years older than the oldest Tetrapodomorpha with salmon-like fish such as Eusthenopteron. This implies a temporal paradox of the assumed descendants being ...
Il y a 2 jours · The word Coelacanth is an adaptation of the Modern Latin Cœlacanthus ('hollow spine'), from the Greek κοῖλ-ος ( koilos, 'hollow') and ἄκανθ-α ( akantha, 'spine'), [12] referring to the hollow caudal fin rays of the first fossil specimen described and named by Louis Agassiz in 1839, belonging to the genus Coelacanthus. [8]
9 mai 2024 · La nuova specie tetrapodomorfa visse circa 380 milioni di anni fa ed era lunga fino a 45-50 cm. Scientificamente chiamato Harajicadectes zhumini , il pesce è particolarmente caratteristico per le sue grandi aperture sulla parte superiore del cranio.
Il y a 1 jour · The timeline of human evolution outlines the major events in the evolutionary lineage of the modern human species, Homo sapiens, throughout the history of life, beginning some 4 billion years ago down to recent evolution within H. sapiens during and since the Last Glacial Period . It includes brief explanations of the various taxonomic ranks in ...
Il y a 1 jour · Retrieved from "https://species.wikimedia.org/w/index.php?title=Syncerus_caffer_aequinoctialis&oldid=9622310"
