-
analyses suggest that
seymouriamorphs are stem-tetrapods (not more
closely related to
Amniota than to Lissamphibia). Many
seymouriamorphs were terrestrial...
-
amniotes than to temnospondyls.
These include the diadectomorphs,
seymouriamorphs, most or all "lepospondyls", gephyrostegids, and
possibly the embolomeres...
-
preserved in
juvenile fossils of the
seymouriamorph Discosauriscus. This
unequivocally proved that
seymouriamorphs had an
aquatic larval stage, and thus...
- The
Arroyo Formation,
sometimes termed the
Lower Clear Fork Formation, is a
geologic formation in Texas. It
preserves fossils dating back to the Kungurian...
-
freshwater actinopterygian fishes,
temnospondyl amphibians, diadectomorphs,
seymouriamorphs, and
early synapsids.
Fossil fish material,
either bone or scale, is...
- to amniotes, more
distantly than diadectomorphs,
lepospondyls and
seymouriamorphs were. At 22 cm snout-vent length,
Gephyrostegus is one of the smallest...
-
related to
Biarmica and
Leptoropha (both of
which are now
considered seymouriamorphs), as all
three were
found in the same
fossil ****emblage and are similar...
-
Other proposed affinities include a
placement among the lepospondyls,
seymouriamorphs, "gephyrostegids", or as a
synonym of Caerorhachis,
another controversial...
- Li
Yaozeng and Wang
Xungang (1984). "A new
occurrence of
Permian seymouriamorphs in Xinjiang, China" (PDF).
Vertebrata PalAsiatica. 22 (4): 294–304...
-
tetrapods to
experiment with
prolonged life on land. Some temnospondyls,
seymouriamorphs, and
diadectomorphs also
successfully filled terrestrial niches in...