- (flattened side-to-side).
These arches give the
tails of
urocordylids a paddle-like shape. The
urocordylids Sauropleura and
Crossotelos have
holes in
their tail...
-
urocordylids and
scincosaurids as
progressively more
primitive members of the group. On the
other hand, Ruta et al. (2003)
claimed that
urocordylids were...
- an aïstopod Diploceraspis, a
diplocaulid "nectridean" Sauropleura, a
urocordylid "nectridean" Andrews, S.M.; Carroll, R.L. (1991). "The
Order Adelospondyli:...
-
possession of
supratemporals is rare
among lepospondyls, but it does
occur in
urocordylids and a few
early aistopods, in
which the
shape of this bone is similar...
-
Ptyonius marshii Linton An
abundant urocordylid nectridean Sauropleura pectinata Linton An
abundant urocordylid nectridean Tudit****
punctulatus Linton...
-
Cardiocephalus C.
sternbergi A
gymnarthrid microsaur Crossotelos C.
annulatus A
urocordylid nectridean.
Diplocaulus D.
brevirostris Rare D.
copei Indeterminate,...
- Urocordylinae,
Sauropleurinae is part of the
family Urocordylidae. Like
other urocordylids,
sauropleurines have long,
flattened tails and
superficially resemble...
- a
monophyletic Lepospondyli,
where they were
usually positioned near
urocordylids and aistopods.
Clack et al. (2019)
found an
unusual combination of both...
-
completeness A
pantylid microsaur Sauropleura S.
bairdi Partial skeleton A
urocordylid nectridean Seymouria S.
baylorensis Vertebrae A seymouriamorph...
- diplocaulids. Instead,
scincosaurids were
allied with the long-tailed
urocordylids and snake-like
ophiderpetontids in an
order he
called Urosauri. Urosaurs...
