- mammals). It has been
suggested that the
grouping is polyphyletic, with
aïstopods being primitive stem-tetrapods,
while re****birostran
microsaurs are primitive...
-
recent paper described the
internal organization of the
aistopod head,
finding that
aïstopods retained many fish-like
features of the
skull and brain...
- stem-tetrapods
rather than
other aistopods.
Andersonerpeton does have one
specific feature shared by both
certain aistopods and
certain stem-tetrapods: a...
- hand, Ruta et al. (2003)
claimed that
urocordylids were
closer to
aistopods. As
aistopods do not
possess most
nectridean features, they have traditionally...
- Life
restoration of
Phlegethontia longissima,
fossil amphibians belonging to the
limbless aistopods....
- to
later aïstopods, and more
recent cladistic research (Anderson et al. 2003)
confirms its
position as the most
basal (primitive)
aistopod. A 2017 cladistic...
-
other unusual early tetrapods such as "microsaurs", "nectrideans", and
aïstopods.
Analyses such as Ruta &
Coates (2007) have
offered an
alternate classification...
- States, Ireland, and the
Czech Republic (Central Europe). Like
other aistopods,
Ophiderpeton was snake-like,
without any
trace of limbs. Its body was...
- and is
found in
rocks from Nova Scotia.
Coloraderpeton was a snake-like
aïstopod tetrapodomorph from the late
Carboniferous of Colorado. Cr****igyrinus was...
-
possess heavily ossified gastralia and
dorsal osteoderms. Like
other aïstopods,
oestocephalids were elongate,
having approximately 110 vertebrae. Oestocephalidae...
