- been
corrected to
Symmoriiformes to
avoid confusion with a family. The
symmoriiform fossils record begins during the late Devonian, and most had
become extinct...
-
relationship to
symmoriiforms, a
small group of
bizarre chondrichthyans such as the bristle-spined Stethacanthus.
Cladoselache and
symmoriiforms may be more...
-
Symmorium is an
extinct symmoriiform cartilaginous fish from the
Devonian and
Carboniferous of the
United States (Illinois) and Russia. The type species...
- sharks.
Stethacanthidae Symmoriiformes Akmonistion Michał
Ginter (2018). "
Symmoriiform sharks from the
Pennsylvanian of Nebraska". Acta
Geologica Polonica....
- Coates, M.; Gess, R.; Finarelli, J.; Criswell, K.; Tietjen, K. (2016). "A
symmoriiform chondrichthyan braincase and the
origin of
chimaeroid fishes". Nature...
-
Ozarcus is an
extinct genus of
symmoriiform cartilaginous fish from the
Carboniferous period of Arkansas. The type species,
Ozarcus mapesae, was named...
-
Cosmoselachus is an
extinct genus of
symmoriiform chondrichthyan from the
Upper Carboniferous (Mississippian subperiod) aged
Fayetteville Shale of Arkansas...
- John A.; Criswell,
Katharine E.; Tietjen,
Kristen (January 2017). "A
symmoriiform chondrichthyan braincase and the
origin of
chimaeroid fishes". Nature...
-
Maghriboselache is an
extinct genus of
cladoselachid symmoriiform fish that
lived 369
million years ago
during the Late
Devonian (middle
Famennian stage)...
-
Chlamydoselachus anguineus The †xenacanth †Lebachacanthus senckenbergi**** The †
symmoriiform †Stethacanthus
productus The †ctenacanthid †Wodnika
striatula The elasmobranch...
