-
Hexanchiformes rather than as
members of Synechodontiformes. The
oldest known synechodontiform remains are
teeth of
Synechodus antiquus from the
early Permian (Cisuralian)...
-
sharks may have
appeared during the Permian,
based on
remains of "
synechodontiforms"
found in the
Early Permian of Russia, but if
remains of "synechodontiformes"...
-
Acrodus A
hybodont shark Hybodus A
hybodont shark Palidiplospinax A
synechodontiform shark Squaloraja S. tenuispina, S.
polyspondyla Closely related to...
-
Palaeospinax is an
extinct genus of
synechodontiform cartilaginous fish.
Although several species have been described, the
genus is
considered nomen dubium...
- and Jürgen
Kriwet (2010). "A new Late Jur****ic
species of the rare
synechodontiform shark,
Welcommia (Chondrichthyes, Neoselachii)". Paläontologische Zeitschrift...
-
Paraorthacodus jurensis (Chondrichthyes; Palaeospinacidae), with
comments on
synechodontiform and
palaeospinacid monophyly".
Zoological Journal of the
Linnean Society...
- Jürgen (September 2010). "A new Late Jur****ic
species of the rare
synechodontiform shark,
Welcommia (Chondrichthyes, Neoselachii)". Paläontologische Zeitschrift...
- and S. Risnes. 2005. The
Enameloid Microstructure of the
Teeth of
Synechodontiform Sharks (Chondrichthyes: Neoselachii).
PalArch 3(2):9-19 L. Ag****iz...
-
Acrodus A
hybodont shark Hybodus A
hybodont shark Palidiplospinax A
synechodontiform shark Squaloraja S. tenuispina, S.
polyspondyla Closely related to...
-
Cappetta &
Adnet Early Cretaceous (Valanginian) France A
palaeospinacid synechodontiform neoselachian. The type
species is
Antrigoulia cir****plicata. Archaeogaleus...