Access

You are not currently logged in.

Access your personal account or get JSTOR access through your library or other institution:

login

Log in to your personal account or through your institution.

If you need an accessible version of this item please contact JSTOR User Support

Aspects of the Biology of Trimerorhachis (Amphibia: Temnospondyli)

Everett C. Olson
Journal of Paleontology
Vol. 53, No. 1 (Jan., 1979), pp. 1-17
Stable URL: http://www.jstor.org/stable/1304028
Page Count: 17
  • Read Online (Free)
  • Subscribe ($19.50)
  • Cite this Item
If you need an accessible version of this item please contact JSTOR User Support
Aspects of the Biology of Trimerorhachis (Amphibia: Temnospondyli)
Preview not available

Abstract

A new specimen of Trimerorhachis insignis Cope from the Vale Formation (Permian) of Texas forms the basis for description and interpretation of several aspects of this rhachitomous amphibian. A thick integument set with 4 to 20 or more layers of thin osteoderms covers the entire body. No surface scales have been found. A large basibranchial and a series of ceratobranchial arches indicate that this species was perennibranchiate and fully aquatic. Very young and adult individuals lived together in the same habitat and remains of very small individuals in the pharyngeal pouches suggest that Trimerorhachis was a pharyngeal pouch brooder. An alternative interpretation is that it was cannibalistic on its young.

Page Thumbnails

  • Thumbnail: Page 
1
    1
  • Thumbnail: Page 
2
    2
  • Thumbnail: Page 
3
    3
  • Thumbnail: Page 
4
    4
  • Thumbnail: Page 
5
    5
  • Thumbnail: Page 
6
    6
  • Thumbnail: Page 
7
    7
  • Thumbnail: Page 
8
    8
  • Thumbnail: Page 
9
    9
  • Thumbnail: Page 
10
    10
  • Thumbnail: Page 
11
    11
  • Thumbnail: Page 
12
    12
  • Thumbnail: Page 
13
    13
  • Thumbnail: Page 
14
    14
  • Thumbnail: Page 
15
    15
  • Thumbnail: Page 
16
    16
  • Thumbnail: Page 
17
    17