-
Synechodontiformes is an
extinct order of
prehistoric shark-like
cartilaginous fish,
known from the
Permian to the Paleogene. They are
considered to be...
- Orectolobiformes, Lamniformes, and Carcharhiniformes. The extinct,
enigmatic Synechodontiformes are
presently placed by some
authors in the galeomorphs, but their...
-
Neoselachii (Elasmobranchii
sensu stricto) †Family
Anachronistidae †Order
Synechodontiformes (incertae sedis)
Subdivision Selachii (Selachimorpha) (modern sharks)...
-
genus of
shark belonging to the
family Palaeospinacidae and
order Synechodontiformes. It is
known from 16
species primarily spanning from the Late Tri****ic...
- "synechodontiforms"
found in the
Early Permian of Russia, but if
remains of "
synechodontiformes" from the
Permian and Tri****ic are true sharks, they only had low...
- The
Northumberland Formation is a Late
Cretaceous (?Campanian-?Maastrichtian)-aged
geologic formation in Canada. It
belongs to the
larger Nanaimo Group...
- Jur****ic
Carchariniformes are
similar to
those of
living catsharks.
Synechodontiformes, an
extinct group of
sharks closely related to Neoselachii, were also...
- Orthacodontidae,
which is
either considered to be a
member of the
extinct order Synechodontiformes, or the
modern shark order Hexanchiformes. 29
species have been described...
-
Order Squaliformes (dogfish sharks) †Order
Protospinaciformes †Order
Synechodontiformes Order Squatiniformes (angel sharks)
Order Pristiophoriformes (sawsharks)...
-
belongs to the
modern shark order Hexanchiformes, or the
extinct order Synechodontiformes. It
contains two genera. Some
other authors included it in Lamniformes...
