Genus TRISTYCHIUS

Kingdom / Phylum . . . . . . . .
Subphylum / Superclass . . . .
Class / Subclass / Infraclass
Division / Superorder / Order
Suborder / Infraorder . . . . . .
Superfamily / Family . . . . . . .
Subfamily / Genus . . . . . . . . .
Animalia / Chordata
Cephalochordata / Gnathostomata
Chondrichthyes / Elasmobranchii / n.a.
n.a. / Euselachii / Ctenacanthiformes
n.a. / n.a.
Hybodontoidea / uncertain
n.a. / Tristychius
Age:
Distribution:
Early Carboniferous
Europe

Depicted on:

Grenada, 1997 (M.S. 1)
 
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