- (plax, plakos) 'plate' and δέρμα (derma) 'skin') are
members of the
class Placodermi of
armoured prehistoric fish,
known from fossils,
which lived from the...
-
Dunkleosteus terrelli ('
Placodermi')".
Palaeontologia Electronica. 22.2.20A: 1–13. doi:10.26879/872. S2CID 162173408. "Dunkleosteus
Placodermi Devonian Armored...
- (hagfish and lampreys)
Gnathostomata or
jawed vertebrates,
which include: †
Placodermi †Acanthodii
Chondrichthyes or
cartilaginous fish, (sharks, rays and ratfish)...
- and rays)
Subclass Holocephali (chimaeras and
extinct relatives)
class Placodermi (armoured fish) †
class Acanthodii ("spiny sharks",
sometimes classified...
- paraphyletic. The
cladogram is
taken from
Bothriolepid antiarchs (Vertebrata,
Placodermi) from the
Devonian of the north-western part of the East
European Platform...
- "jointed neck") is an
order of
extinct armored,
jawed fishes of the
class Placodermi that
flourished in the
Devonian period before their sudden extinction...
- †Cephalaspidomorphi
Infraphylum Gnathostomata (jawed vertebrates)
class †
Placodermi (Paleozoic
armoured forms;
paraphyletic in
relation to all
other gnathostomes)...
- Elliot, David; Wittke,
James (2000). "A new
actinolepid arthrodire (class
Placodermi) from the
lower Devonian Sevy Dolomite, East-Centrai Nevada". Zoological...
-
fossil record that have ever been
considered to be
members of the
class Placodermi. This list
excludes purely vernacular terms. It
includes all commonly...
-
spiny shark ancestors.
Subphylum Vertebrata └─Infraphylum
Gnathostomata ├─
Placodermi —
extinct (armored gnathostomes) └Eugnathostomata (true
jawed vertebrates)...