- The
Eugeneodontida,
sometimes also
called Eugeneodontiformes, is an
extinct and
poorly known order of
cartilaginous fishes. They
possessed "tooth-whorls"...
-
further group the
orders Petalodontiformes, Iniopterygiformes, and
Eugeneodontida into the
taxon "Paraselachimorpha", and
treat it as a
sister group to...
- U.S.
state of Nebraska. It is one of few
members of its order, the
Eugeneodontida, that is
known from
multiple complete, well
preserved body fossils,...
- †Hybodontiformes †Phoebodontiformes †Xenacanthida Ray
Shark Holocephali †
Eugeneodontida †Iniopterygiformes †Petalodontiformes †Symmoriiformes
Chimaera Bony...
- †Hybodontiformes †Phoebodontiformes †Xenacanthida Ray
Shark Holocephali †
Eugeneodontida †Iniopterygiformes †Petalodontiformes †Symmoriiformes
Chimaera Bony...
- Ag****izodontidae) is an
extinct family of
holocephalans within the
order Eugeneodontida.
Members of the
Helicoprionidae possessed a "whorl" of
tooth crowns...
-
environments throughout the Tri****ic. Last
survivors of the
mainly Palaeozoic Eugeneodontida are
known from the
Early Tri****ic.
Temnospondyl amphibians were among...
- †Hybodontiformes †Phoebodontiformes †Xenacanthida Ray
Shark Holocephali †
Eugeneodontida †Iniopterygiformes †Petalodontiformes †Symmoriiformes
Chimaera Bony...
- The
characteristics of this
whorl are
unique to
fishes of the
order Eugeneodontida, and more
specifically the
family Helicoprionidae to
which Parahelicoprion...
- The
largest prehistoric animals include both
vertebrate and
invertebrate species. Many of them are
described below,
along with
their typical range of size...
