MIDDLE CENOZOIC ERA
UPPER TERTIARY SUB-ERA
LOWER TO MIDDLE NEOGENE PERIOD
MIOCENE (23.3-5.2 MYA)
AFRICA
CHAD
EGYPT
KENYA
LIBYA
MALTA
MOROCCO
NAMIBIA
RWANDA
SUDAN
TUNISIA
ASIA
CHINA
INDIA
JAPAN
HONSHU ISLAND
KAZAKHSTAN
MYANAMAR
NEPAL
TAIWAN
AUSTRALASIA
AUSTRALIA
NEW GUINEA
NEW ZEALAND
EUROPE
AUSTRIA
CZECH REPUBLIC
FRANCE
GERMANY
ITALY
PORTUGAL
SPAIN
YUGOSLAVIA
MIDDLE EAST
IRAQ
PAKISTAN
SAUDI ARABIA
UNITED ARAB EMIRATES
SOUTH AMERICA
ARGENTINA
BOLIVIA
BRAZIL
CHILE
COLOMBIA
PERU
VENEZUELA
CENTRAL AMERICA
PANAMA
WEST INDIES
CUBA
DOMINICAN REPUBLIC
NORTH AMERICA
CANADA
MEXICO
UNITED STATES OF AMERICA
CALIFORNIA
DELAWARE
FLORIDA
KANSAS
MARYLAND
NEBRASKA
NEW JERSEY
NORTH CAROLINA
TEXAS
VIRGINA
WEST INDIES
PUERTO RICO