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Spencer Lucas questions if the Zachelmie trackways were made by tetrapods due to the inconsistent size of the tracks and morphology of the manus and pes being inconsistent with known tetrapod trackways. The morphology of the trackways and the freshwater environmental setting are suggested to be consistent with fish feeding traces/nests. [20]
The Sunset Tree is the ninth studio album by the Mountain Goats, released on April 26, 2005 by 4AD.The album's songs revolve around the house John Darnielle grew up in and the people who lived there, including his mother, sister, stepfather, friends, and enemies.
Other digit-bearing stem tetrapods were significantly smaller (skulls under 40 centimetres (16 in) in length), and nearly all were restricted to the tropics of Euramerica, a low-latitude region equivalent to present-day Europe and North America. Gaiasia hints that stem-tetrapods in Southern latitudes continued to persist and evolve through the ...
Pages in category "Carboniferous tetrapods of North America" The following 8 pages are in this category, out of 8 total. This list may not reflect recent changes .
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Lepospondyli is a diverse taxon of early tetrapods.With the exception of one late-surviving lepospondyl from the Late Permian of Morocco (Diplocaulus minimus), [6] lepospondyls lived from the Visean stage of the Early Carboniferous to the Early Permian and were geographically restricted to what is now Europe and North America.
The other groups of tetrapods considered more closely related to amniotes are put in the superorder Reptiliomorpha. [ 6 ] The phylogenetic relationships of Paleozoic tetrapods have not yet been worked out with certainty, and the validity of Batrachomorpha as a clade depends on where other amphibians and early amniotes fit on the evolutionary tree.