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Diadectidae is an extinct family of early tetrapods that lived in what is now North America and Europe during the Late Carboniferous and Early Permian, and in Asia during the Late Permian.
The trackways are late Middle Devonian in age based on a palynological assemblage from the Valentia Slate Formation and the U-Pb radioisotopic dating of an interstratified air-fall tuff bed to ca. 385 Ma, [3] making these tetrapod trackways some of the earliest recorded, along with traces of early Middle Devonian (Eifelian) age from Poland. [4]
Print/export Download as PDF; Printable version; In other projects ... Pages in category "Prehistoric tetrapod orders" The following 23 pages are in this category ...
The oldest near-complete tetrapod fossils, Acanthostega and Ichthyostega, date from the second half of the Fammennian. [56] [57] Although both were essentially four-footed fish, Ichthyostega is the earliest known tetrapod that may have had the ability to pull itself onto land and drag itself forward with its forelimbs. There is no evidence that ...
The white-tailed deer is the state mammal of Ohio. This list of mammals of Ohio includes a total of 70 mammal species recorded in the state of Ohio. [1] Of these, three (the American black bear, Indiana bat, and Allegheny woodrat) are listed as endangered in the state; four (the brown rat, black rat, house mouse, and wild boar) are introduced; three (the gray bat, Mexican free-tailed bat and ...
A tetrapod is a form of wave-dissipating concrete block used to prevent erosion caused by weather and longshore drift, primarily to enforce coastal structures such as seawalls and breakwaters. Tetrapods are made of concrete , and use a tetrahedral shape to dissipate the force of incoming waves by allowing water to flow around rather than ...
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Family Donacobiidae (black-capped donacobius) Family Bernieridae (Malagasy warblers) Family Hirundinidae (swallows and martins) Family Pycnonotidae (bulbuls) Family Phylloscopidae (leaf-warblers) Family Cettiidae (ground-warblers) Family Hyliidae (hylas) Family Aegithalidae (long-tailed tits) Family Sylviidae (typical warblers, parrotbills, and ...