- S2CIDÂ 131030155. Lund, Richard; Grogan,
Eileen D. (2004). "Five new
euchondrocephalan Chondrichthyes from the Bear
Gulch Limestone (Serpukhovian, Namurian...
-
sister group Elasmobranchii (containing true sharks, rays, and kin),
euchondrocephalans are
primarily an
extinct group.
Living members of the Euchondrocephali...
-
Surprise Canyon Formation. R. Lund and E. Grogan. 2004. Five new
euchondrocephalan Chondrichthyes from the Bear
Gulch Limestone (Serpukhovian, Namurian...
- orodonts, eugeneodonts, and petalodonts,
which are
considered more
basal euchondrocephalans or paraselachians.
Other authors have used
Holocephali to include...
- in the
family Gregoriidae. R. Lund and E. Grogan. 2004. Five new
euchondrocephalan Chondrichthyes from the Bear
Gulch Limestone (Serpukhovian, Namurian...