- are
recognized in temnospondyls:
stereospondylous and
rhachitomous vertebrae. In
rhachitomous vertebrae, the
intercentra are
large and wedge-shaped,...
-
hence the name.
Originally thought to have
vertebrae distinct from
rhachitomous vertebrae, it was
placed in a
separate order named Phyllospondyli ("leaf...
- to
include early amphibians such as
Eryops and
Archegosaurus that had
rhachitomous vertebrae. Many
early tetrapods have
vertebrae that are
split into two...
- rachitomi.
During the
early twentieth century,
paleontologists considered rhachitomous temnospondyls to be the
descendants of embolomeres, and
Steen considered...
- (1943). Romer,
Alfred S.; Witter,
Robert V. (1942). "Edops, a
Primitive Rhachitomous Amphibian from the
Texas Red Beds". The
Journal of Geology. 50 (8): 925–960...
-
formations from the
southwest United States. They are the most
common rhachitomous amphibian fossil found in
Wolfcampian age
formations (~295-280 mya.)...
-
Paleontology portal Chase, J.N. (1965). "Neldasaurus wrightae, a new
rhachitomous labyrinthodont from the
Texas Lower Permian".
Bulletin of the Museum...
- ISSN 0272-4634. Romer,
Alfred S.; Witter,
Robert V. (1942). "Edops, a
Primitive Rhachitomous Amphibian from the
Texas Red Beds". The
Journal of Geology. 50 (8): 925–960...
-
support this hypothesis. Williston, S.W. (1910). "New
Permian reptiles:
Rhachitomous vertebrae".
Journal of Geology. 18 (7): 585–601. Bibcode:1910JG.....18...
-
Antlerpeton shows characteristics of both
early rhachitomous tetrapods and
later schizomerous tetrapods.
Rhachitomous tetrapods have two
types of
bones in each...
