-
Ostracodermi (lit. 's****-skins') or
ostracoderms is an
informal group of
vertebrate animals that
include all
armored jawless fish of the
Paleozoic Era...
- (jawless fish)
Subclass Cyclostomata (hagfish and lampreys)
Subclass Ostracodermi (armoured
jawless fish) †
class Chondrichthyes (cartilaginous fish) Subclass...
- is now
thought that they were out
competed by
newer Mesozoic taxa. "
Ostracodermi" †Pteraspidomorphi (extinct)
Astraspis desiderata †Pteraspidomorphi is...
- (jawless fish)
Subclass Cyclostomata (hagfish and lampreys)
Subclass Ostracodermi (armoured
jawless fish) †
class Chondrichthyes (cartilaginous fish) Subclass...
-
Animalia Phylum:
Chordata class:
Actinopterygii Order:
Tetraodontiformes Suborder:
Ostracioidea Rafinesque, 1810
Families See text.
Synonyms Ostracodermi...
- Pteraspidomorphi,
which is one of the
major classes of the
paraphyletic group Ostracodermi.
Drepanaspis sp.,
National Museum of
Nature and Science, Tokyo, ****an...
- History):
Elasmobranchii (Acanthodii), Holocephali, ichthyodorulites,
Ostracodermi, Dipnoi, and
Teleostomi (Crossopterygii and
chondrostean Actinopterygii)...
