-
Hylonomus and
Petrolacosaurus (both of
which resemble Archaeothyris) were found.
Archaeothyris lived in what is now Nova Scotia,
about 306
million years...
-
extinct family of
early synapsids from the
Carboniferous and Permian.
Archaeothyris, and
Clepsydrops were
among the
earliest ophiacodontids,
appearing in...
-
being the
predecessor of the
other early synapsid Clepsydrops. Like
Archaeothyris,
Protoclepsydrops resembled a
modern lizard in
superficial appearance...
-
earliest sauropsid reptiles (Hylonomus), and the
earliest known synapsid (
Archaeothyris).
Synapsids quickly became huge and
diversified in the Permian, only...
- have
generally been small,
unspecialised generalists. Asaphestera,
Archaeothyris and Clepsydrops, the earliest-known synapsids,
lived in the Pennsylvanian...
-
reptiles (Hylonomus), and the
earliest known "pelycosaur"
synapsids (
Archaeothyris).
Small lizard-like
animals quickly gave rise to many descendants. Amniotes...
-
Terrestrially adapted synapsids, the
predecessors of the
mammal lineage, like
Archaeothyris were
among the
groups who
quickly recovered after the collapse....
- name. Typically, they are
considered synapsids that
evolved from an
Archaeothyris-like
synapsid in the Late Carboniferous. However, some
recent studies...
-
Archaeothyris, one of the most
basal synapsids,
first appears in the
fossil records about 306
million years ago....
-
Archaeothyris belongs to the
family Ophiacodontidae and
appears in the
Early Pennsylvanian...
