- the
latter are now
considered as
basal traits for all vertebrates.
Pteraspidomorphs are
characterized by
their m****ive
dermal head
armour having large...
-
stabilizers for more
control of
their swimming. It was long ****umed that
pteraspidomorphs and
thelodonts were the only
ostracoderms with
paired nostrils, while...
-
Pteraspidomorphs (Pteraspis shown) are
prehistoric jawless fish
characterized by
their m****ive
dermal head
armour having large, median,
ventral and dorsal...
- [with] a
different s****" [-i is pl. of -us]) is an
extinct subclass of
pteraspidomorph, Ostracoderm,
jawless vertebrate that
lived primarily in
marine and...
-
placoderm Nessariostoma A
placoderm Drepanaspis A
pteraspidomorph jawless fish
Rhinopteraspis A
pteraspidomorph jawless fish
Paraplesiobatis A
placoderm Pseudopetalichthys...
-
Ordovician vertebrates. However,
eriptychiids differ from all
other pteraspidomorphs in
having a m****ively
calcified endoskeleton,
pervaded by
canals for...
- Inc, 2003. Pg. 58 Blieck, Alain; Elliott,
David K. (2017-06-01). "
Pteraspidomorphs (Vertebrata), the Old Red Sandstone, and the
special case of the Brecon...
-
pterygotids would have been
capable of
preying on
armored fish such as
pteraspidomorphs and placoderms. The
deposits that
yielded the
fossils of P. siemiradzkii...
-
archipelepidiforms have many
similarities with the
histology and
morphology of
pteraspidomorphs,
hinting that the two
groups share a
common ancestor, and
hinting that...
- Sansom;
Peter W. Haines;
Plamen Andreev;
Robert S.
Nicoll (2013). "A new
pteraspidomorph from the
Nibil Formation (Katian, Late Ordovician) of the
Canning Basin...
