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  • Thumbnail for Evolution of tetrapods
    evolution of tetrapods began about 400 million years ago in the Devonian Period with the earliest tetrapods evolved from lobe-finned fishes. Tetrapods (under...
    67 KB (7,949 words) - 22:49, 13 April 2024
  • Thumbnail for Tetrapod
    do still have a pair of vestigial spurs that are remnants of the hindlimbs. Tetrapods evolved from a group of primitive semiaquatic animals known as the...
    101 KB (10,229 words) - 14:34, 6 April 2024
  • for hundreds of millions of years, they all originally descended from aquatic animals (see Evolution of tetrapods). These ancestral tetrapods had never left...
    10 KB (1,091 words) - 17:46, 31 December 2023
  • Thumbnail for Amniote
    are tetrapod vertebrate animals belonging to the clade Amniota, a large group that comprises the vast majority of living terrestrial and semiaquatic vertebrates...
    43 KB (3,308 words) - 22:02, 14 April 2024
  • Thumbnail for Embolomeri
    Embolomeri is an order of tetrapods or stem-tetrapods, possibly members of Reptiliomorpha. Embolomeres first evolved in the Early Carboniferous (Mississippian)...
    17 KB (1,033 words) - 16:48, 25 March 2024
  • Life cycle of the platypus
    )
    semiaquatic, egg-laying mammal endemic to eastern Australia, including Tasmania. The platypus is the sole living representative or monotypic taxon of...
    92 KB (9,099 words) - 18:15, 14 April 2024
  • reptiles are not a natural group. After the first fully terrestrial tetrapods evolved, one of their lineages split into the synapsids (the line leading to mammals)...
    542 KB (50,168 words) - 05:01, 18 April 2024
  • Thumbnail for Reptiliomorpha
    PhyloCode known as Pan-Amniota) is a clade containing the amniotes and those tetrapods that share a more recent common ancestor with amniotes than with living...
    28 KB (2,956 words) - 19:56, 21 March 2024
  • Thumbnail for Caseasauria
    pelagic animals, and is unlike the bone microstructure of semiaquatic animals, but that the body plan of caseids is inconsistent with a pelagic lifestyle....
    16 KB (1,348 words) - 05:10, 27 February 2024
  • Evolution of aquatic mammals
    )
    Aquatic and semiaquatic mammals are a diverse group of mammals that dwell partly or entirely in bodies of water. They include the various marine mammals...
    68 KB (7,891 words) - 20:10, 13 January 2024
  • This is an incomplete list that briefly describes vertebrates that were extant during the Maastrichtian, a stage of the Late Cretaceous Period which extended...
    115 KB (162 words) - 06:59, 10 April 2024
  • Thumbnail for Caseidae
    terrestrial tetrapods to occupy the role of primary consumer. The caseids experienced a significant evolutionary radiation at the end of the early Permian...
    64 KB (5,833 words) - 01:08, 4 January 2024
  • List of heaviest animals)
    maximum size of this nearly human-sized river-dweller is 64 kg (141 lb) and almost 1.83 m (6.0 ft). Before amniotes became the dominant tetrapods, several...
    154 KB (15,524 words) - 22:35, 14 April 2024
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