Caseoides
Encyclopedia
Caseoides was a large pelycosaur
Pelycosaur
The pelycosaurs are an informal grouping composed of basal or primitive Late Paleozoic synapsid amniotes. Some species were quite large and could grow up to 3 meters or more, although most species were much smaller...

 synapsid
Synapsid
Synapsids are a group of animals that includes mammals and everything more closely related to mammals than to other living amniotes. They are easily separated from other amniotes by having an opening low in the skull roof behind each eye, leaving a bony arch beneath each, accounting for their name...

 that lived in the Kungurian
Kungurian
In the geologic timescale, the Kungurian is an age or stage of the Permian. It is the latest or upper of four subdivisions of the Cisuralian epoch or series. The Kungurian lasted between 275.6 ± 0.7 and 270.6 ± 0.7 million years ago...

 Age (late Early Permian epoch). It was about 3 meters long, and like many other caseids, it was herbivorous. It weighed between 150 kg to 200 kg. Its fossils were found on Texas
Texas
Texas is the second largest U.S. state by both area and population, and the largest state by area in the contiguous United States.The name, based on the Caddo word "Tejas" meaning "friends" or "allies", was applied by the Spanish to the Caddo themselves and to the region of their settlement in...

. Caseoides was very similar to Casea
Casea
Casea is an extinct genus of pelycosaur synapsid which was about long, slightly smaller than the otherwise very similar Caseoides. Casea was one of the first terrestrial herbivores, sharing its world with animals such as Dimetrodon and Eryops.-Description:Casea had a heavy, rotund, body and a...

, but was slightly larger in size. Caseoides was heavily built creature, as most of Caseids (except Caseopsis
Caseopsis
Caseopsis was a large pelycosaur that was about 3 meters long. Caseopsis lived in the late Early Permian epoch , before the pelycosaurs were replaced by the more advanced therapsids . It was a lightly built, agile creature. It may have been possible for this species to outpace and escape large...

). In the development of its proportionally thick, stout limbs it represents the culmination of the Casea
Casea
Casea is an extinct genus of pelycosaur synapsid which was about long, slightly smaller than the otherwise very similar Caseoides. Casea was one of the first terrestrial herbivores, sharing its world with animals such as Dimetrodon and Eryops.-Description:Casea had a heavy, rotund, body and a...

lineage. Its relatives became smaller in size during the Roadian Age (after Kungurian).

See also

  • List of synapsids
  • Caseopsis
    Caseopsis
    Caseopsis was a large pelycosaur that was about 3 meters long. Caseopsis lived in the late Early Permian epoch , before the pelycosaurs were replaced by the more advanced therapsids . It was a lightly built, agile creature. It may have been possible for this species to outpace and escape large...

    - a relative of Caseoides, they lived side-by-side in Texas, but Caseopsis was lightly built, unlike Caseoides
  • Casea
    Casea
    Casea is an extinct genus of pelycosaur synapsid which was about long, slightly smaller than the otherwise very similar Caseoides. Casea was one of the first terrestrial herbivores, sharing its world with animals such as Dimetrodon and Eryops.-Description:Casea had a heavy, rotund, body and a...

    - another relative, only smaller in size, but Casoides and Casea were very similar in body shape
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