-
Semionotiformes is an
order of ray-finned fish
known from the
Middle Tri****ic (Anisian) to the Late
Cretaceous (Maastrichtian).
Their closest living relatives...
- to
modern gar, from the
superficially gar-like
Obaichthyidae to the
semionotiform-like Lepidotidae,
which were
previously classified in the Semionotiformes...
- each year. The
potentially oldest known neopterygian is the ****tive "
semionotiform"
Acentrophorus varians from the
Middle Permian of Russia; however, one...
- Tri****ic
Ticinolepis The Jur****ic
macrosemiid semionotiform Propterus sp. The Jur****ic
macrosemiid semionotiform Macrosemius rostratus The Late Jur****ic European...
- S.
brauni Bull Canyon,
Revuelto Cr****
Scaly body
fragments A
robust semionotiform. Tanaocrossus? T.?
kalliokoski Skull and
skeletal material, including...
- Lepisosteus). The
earliest members of the clade,
which are ****tive "
semionotiforms" such as
Acentrophorus and Archaeolepidotus, are
known from the Middle...
-
Callipurbeckia is an
extinct genus of
marine semionotiform ray-finned fish from the Late Jur****ic and
Early Cretaceous periods.
Fossils have been found...
-
Pariostegus sp. A
coelacanth Semionotus S. brauni. At
least three specimens A
semionotiform ginglymodian Synorichthys S. sp. "Several
partial skeletons" A redfieldiiform...
-
earliest known fossil neopterygians, and is
usually recovered as a
semionotiform, but
others recover it as a parasemionotiform.
Although initially recovered...
-
priscus Elizabethtown, NC A
hadrodontid fish (considered a
pycnodont or a
semionotiform)
Lepisosteus L. sp. Elizabethtown, NC A gar.
Paralbula P.
casei Elizabethtown...
