-
along with the horn-like rostrum, made
Pteraspis very
streamlined in shape,
which is good for swimming.
Pteraspis also had some
stiff spikes on its back...
-
Rhinopteraspis is an
extinct genus of
pteraspidid heterostracan agnathan. "Rhinopteraspis
cornubica (McCoy), with
notes on the
classification and evolution...
-
Loricopteraspis Miltaspis Mitraspis Mylopteraspidella Mylopteraspis Podolaspis Pteraspis Rhinopteraspis Stegobranchiaspis Gigantaspididae Gigantaspis Protaspididae...
- the stereotypical, torpedo-shaped pteraspidids, such as the type genus,
Pteraspis, and its
close relatives Errivaspis and Rhinopteraspis, that are po****rly...
- were
portions of what
would eventually be
described as the
heterostracan Pteraspis rostratus. C. lyelli,
named after Sir
Charles Lyell,
would be left to...
-
Pteraspidomorphs (
Pteraspis shown) are
prehistoric jawless fish
characterized by
their m****ive
dermal head
armour having large, median,
ventral and dorsal...
-
belonging to
Cyclostomi Life
reconstruction of
extinct agnathan genus,
Pteraspis (Pteraspidomorphi)
Scientific classification Domain:
Eukaryota Kingdom:...
- vertebrates. It
contains the more
derived taxa
within Pteraspidiformes, such as
Pteraspis and Errivaspis, though, some protopteraspidids, such as
Doryaspis and...
- by Dr.
Errol Ivor
White as one of five form-variants of
Pteraspis rostrata, i.e., "
Pteraspis rostrata var. waynesis. In 1984,
Alain Blieck moved var....
- the stereotypical, torpedo-shaped pteraspidids, such as the type genus,
Pteraspis, and its
close relatives Errivaspis and Rhinopteraspis, that are po****rly...
