-
Helicoprion is a
genus of
extinct shark-like
eugeneodont fish.
Almost all
fossil specimens are of
spirally arranged clusters of the individuals' teeth...
-
Erikodus is an
extinct genus of
caseodontid eugeneodont from the Late
Permian of Greenland. A
single species, E. groenlandicus, is known,
which was originally...
-
Bobbodus is an
extinct genus of
eugeneodont holocephalian from the
Carboniferous and
Permian periods. B.
schaefferi is the type
species and is
known from...
- The
Caseodontidae is an
extinct family of
eugeneodont holocephalans known from the late
Paleozoic to
earliest Mesozoic of Greenland,
Canada and the United...
-
Paredestus (meaning "near Edestus") is a
monotypic genus of
extinct eugeneodont holocephalan from the
Early Tri****ic of Canada. The type and only species...
-
within the Holocephali,
their closest living relatives are chimaeras. The
eugeneodonts are
named after paleontologist Eugene S. Richardson, Jr. The
group first...
- Ag****izodus is an
extinct genus of
eugeneodont holocephalian from the Carboniferous. It
belongs to the
family Helicoprionidae,
which is
sometimes called...
- of Edestus. However,
poscranial remains are
known for
other eugeneodont genera.
Eugeneodonts with
preserved postcrania include the
Pennsylvanian to Tri****ic-age...
-
unusual fin may have been used in
mating rituals.
Other groups like the
eugeneodonts filled in the
niches left by
large predatory placoderms.
These fish were...
- the holocephali, they were
heavily ****ually dimorphic. †Eugeneodontida
Eugeneodonts Eugeneodontida Zangerl, 1981 4
Members of the holocephali, they are characterized...
