WebbLabyrinthodontia ( Greek, "maze-toothed") is an extinct amphibian subclass, which constituted some of the dominant animals of late Paleozoic and early Mesozoic eras … WebbThese labyrinthodonts are often grouped together as the order Ichthyostegalia, though the group is an evolutionary grade rather than a clade. [22] Ichthyostegalians were …
THE HOMOLOGIES OF THE LABYRINTHODONT CENTRUM
Groups of labyrinthodonts [ edit] Ichthyostegalia [ edit]. The early labyrinthodonts are known from the Devonian and possibly extending into the Romer's... Reptile-like amphibians [ edit]. An early branch was the terrestrial reptile-like amphibians, variously called... Temnospondyli [ edit]. The ... Visa mer "Labyrinthodontia" (Greek, 'maze-toothed') is an informal grouping of extinct predatory amphibians which were major components of ecosystems in the late Paleozoic and early Mesozoic eras (about 390 to 150 million years ago). … Visa mer General build Labyrinthodonts were generally amphibian-like in build. They were short-legged and mostly large headed, with moderately short to … Visa mer The labyrinthodonts have their origin in the early middle Devonian (398–392 Mya) or possibly earlier. They evolved from a bony fish group: … Visa mer The fossil sequence leading from the early Carboniferous labyrinthodonts to the amniotes has traditionally been seen as fairly well mapped out since the early 20th century, mainly leaving only the question of the demarcation line between the amphibian and … Visa mer The labyrinthodonts flourished for more than 200 million years. Particularly the early forms exhibited a lot of variation, yet there are still a few basic anatomical traits that make their … Visa mer The systematic placement of groups within Labyrinthodontia is notoriously fickle. Several groups are identified, but there is no consensus of their phylogenetic relationship. Many … Visa mer There is today a general consensus that all modern amphibians, the Lissamphibia, have their origin in labyrinthodont stock, but this is where consensus ends. The fragile bones of the … Visa mer WebbIntermediate between the earlier Ichthyostegalian and the later, more advanced labyrinthodonts. Despite an extra toe on the forelimbs, Pederpes had limbs that … blackburn recreation center columbus ohio
Labyrinthodonts – Best names and nicknames for Labyrinthodonts
http://www.theclacks.org.uk/jac/Ichthyostega.html WebbIchthyostega was a fairly large animal, broadly built and about 1.5 m (4.9 ft) long. The skull was low, with dorsally placed eyes and large labyrinthodont teeth. The posterior margin of the skull formed an … WebbTHE VERTEBRAE OF LABYRINTHODONTS In Romer’s (1947) comprehensive use of the term Labyrinthodontia both the Ich- thyostegalia and the Seymouriamorpha were … blackburn rec center columbus ohio