Genus PACHYCEPHALOSAURUS

Kingdom / Phylum . . . . . . . .
Subphylum / Superclass . . . .
Class / Subclass . . . . . . . . . .
Infraclass / Division. . . . . . . .
Subdivision / Infradivision . . .
Superorder / Order. . . . . . . .
Suborder / Infraorder . . . . . .
Superfamily / Family . . . . . . .
Subfamily / Genus . . . . . . . . .
Animalia / Chordata
Cephalochordata / Gnathostomata
Reptilia / Diapsida
Archosauromorpha / Archosauria
Avemetatarsalia / Ornithodira
Dinosauria / Ornithischia
Pachycephalosauria / n.a.
n.a. / Pachycephalosauridae
n.a. / Pachycephalosaurus
Age:
Distribution:
Late Cretaceous
North America

Depicted on:

Antigua & Barbuda, 1995 (15 c.)
Barbuda, 1996 (15 c.)
Central African Republic, 2001 (position 2 of sheet 1, misnamed Parasaurolophus)
Cuba, 2006 (30 c.)
Gabon, 1995 (position 6 of sheet 1)
Gabon, 2000 (position 8 of sheet 1)
Gabon, 2000 (225 Fr.)
Gambia, 2003 (position 2 on sheet 1, but Parasaurolophus depicted)
Grenada - Grenadines, 1994 (1 $.)
Guinea, 1999 (position 5 of sheet)
Guinea, 2014 (position 4 of sheet)
Guinea-Bissau, 2015 (M.S.)
Guyana, 2001 (position 3 of sheet 3)
Korea (South), 2012 (position 1 of sheet)
Liberia, 1999 (position 2 of sheet 2)
Liberia, 1999 (position 8 of sheet 2)
Maldives, 1997 (position 2 of sheet 2)
Saint Vincent & the Grenadines, 1999 (1,10 $.)
Sao Tome e Principe, 2006 (position 1 of sheet)
Sao Tome e Principe, 2007 (M.S. 3 margin)
Sao Tome e Principe, 2014 (position 4 of sheet)
Tanzania, 1992 (position 13 of sheet)
Togo, 1994 (180 Fr., set in M.S., and stamp in M.S.)
Togo, 1997 (position 8 of sheet)
Togo, 2015 (position 3 of sheet)
 
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