-
paraphyletic group. One
family is
unambiguously placed in the order,
Palaeospinacidae. The
families Orthacodontidae,
Paraorthacodontidae and Pseudonotidanidae...
-
Synechodus is an
extinct genus of
shark belonging to the
family Palaeospinacidae and
order Synechodontiformes. It is
known from 16
species primarily spanning...
- Paraorthacodontidae,
though it was
formerly regarded as a
member of the
family Palaeospinacidae,
which is
either placed in
Hexanchiformes or in Synechodontiformes...
-
branchial arches and the
anterior finspine Type
member of the
family Palaeospinacidae.
Palidiplospinax Palidiplospinax smithwoodwardi Holzmaden Articulated...
-
dentition and
squamation Osteno Outcrop A Shark, type
member of the
family Palaeospinacidae inside Synechodontiformes. Open
water swimmer.
Squaloraja Squaloraja...
-
Harbour Two
incomplete teeth A
marine shark,
member of the
family Palaeospinacidae inside Synechodontiformes.
Synechodus Synechodus occultidens Hasle...
-
Paraorthacodontidae (though it was
formerly regarded as a
member of the
family Palaeospinacidae),
which is
either placed in
Hexanchiformes or in Synechodontiformes...
-
Paraorthacodus sp.
Three broken teeth Marine Sharks of the
Family Palaeospinacidae. One of the
earliest records of the
genus Paraorthacodus, together...
-
Chondrichthyes Subclass:
Elasmobranchii Order: †Synechodontiformes Family: †
Palaeospinacidae Genus: †Palaeospinax Egerton, 1872 Type
species †Paleospinax priscus...
- 'spine') is an
extinct genus of
prehistoric sharks in the
family Palaeospinacidae. The
species N.
elegans is from the Tri****ic of Idaho,
United States...
