-
Sharks are a
group of
elasmobranch cartilaginous fish
characterized by a
ribless endoskeleton,
dermal denticles, five to
seven gill
slits on each side...
- V Cold, Wet,
including eggs (Among the egg-laying fishes):
placental selachians Shark,
skate with blood none S, V Cold, Wet, but
placenta like tetrapods...
-
Diphyllidea (elasmobranchs inc. rays, sharks)
Trypanorhyncha (fishes/crustaceans/molluscs → bony fishes/
selachians)...
-
Diphyllidea (elasmobranchs inc. rays, sharks)
Trypanorhyncha (fishes/crustaceans/molluscs → bony fishes/
selachians)...
-
litter (young) mute pack (wild)
canine Dogfish Also see
Shark — — —
troop selachian squaloid capeshark (US)
flake (UK, Australia) huss (UK)
kahada (Canada)...
-
Myliobatoidei Recent molecular studies suggest the
Batoidea are not
derived selachians as
previously thought. Instead,
skates and rays are a
monophyletic superorder...
- them, the
selachians Selakhē (sharks and rays), had
cartilages instead of
bones and were
viviparous (Aristotle did not know that some
selachians are oviparous)...
- Williamson,
Thomas E.; Kirkland,
James I.; Lucas,
Spencer G. (1993). "
Selachians from the
Greenhorn Cyclothem ("Middle" Cretaceous: Cenomanian–Turonian)...
- pp. 621–656. ISBN 978-0-412-39380-8. Noubhani,
Abdelmajid (2010). "The
Selachians'
faunas of the
Moroccan phosphate deposits and the K-T m**** extinctions"...
-
First Doctor (Steven Taylor, Sara Kingdom) January 2012 (2012-1) 8 "The
Selachian Gambit" Lisa
Bowerman Steve Lyons Second Doctor, Ben (Polly,
Jamie McCrimmon)...
