Genus XENACANTHUS

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 / Xenacanthiformes
n.a. / n.a.
n.a. / Xenacanthidae
n.a. / Xenacanthus
Age:
Distribution:
Early Permian - Triassic
Northern America, Europe, India

Depicted on:

Central African Republic, 2014 (position 2 of sheet, M.S. margin)
Comoros, 1998 (position 5 of sheet 1)
Gabon, 1995 (position 4 of sheet 2)
Kirgizia, 2012 (30 S., as Xenacanthidae)
Nicaragua, 1999 (M.S. 2 margin)
 
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