• Quaternary of Argentina (1 collection), Australia (3), the Bahamas (4), Belize (4), Canada (1: Ontario), Chile (2), Colombia (1), Ethiopia (1), France (1), French Polynesia (3), Greece (2), Hungary (2), Iceland (4), India (2), Indonesia (1), Italy (2), Jamaica (1), Japan (1), Mexico (2), New Zealand (1), Palau (1), Portugal (1), the Russian Federation (1), Saudi Arabia (4), the Seychelles (1), Spain (1), Taiwan (1), the United Kingdom (18), United States (23: Alaska, California, Florida, Hawaii, Indiana, Montana, Nevada, Oklahoma, South Carolina, Tennessee, Virginia)

• Pliocene to Pleistocene of Australia (1), Ecuador (1), Hungary (2), Mexico (1), United States (4: California)

• Pliocene of Chile (3), the Dominican Republic (3), Hungary (2), Iceland (3), India (1), Italy (3), Jamaica (2), Japan (1), Kenya (1), Mexico (1), the Russian Federation (1), Spain (4), United States (6: California, Florida, North Carolina, Virginia), Venezuela (2)

• Hemphillian of United States (1: Indiana)

• Miocene to Pliocene of Chile (1), the Dominican Republic (2)

• Miocene of Argentina (2), Australia (5), Austria (3), Brazil (2), Cape Verde (1), Chile (7), Colombia (1), Cyprus (1), the Dominican Republic (5), France (3), Germany (3), Greece (2), Indonesia (2), Iran (2), Italy (8), Kenya (4), Malaysia (1), Malta (1), Morocco (2), the Netherlands (1), Peru (2), Poland (4), Portugal (3), Romania (1), the Russian Federation (1), Saudi Arabia (2), Slovakia (4), Spain (8), Switzerland (4), Turkey (1), the United Arab Emirates (1), United States (11: Alaska, California, Maryland, Oregon, Texas, Utah), Venezuela (1)

• Deseadan of Argentina (1)

• Oligocene of Colombia (1), Denmark (1), Ecuador (1), India (1), Italy (4), Kenya (1), Oman (1), Peru (2), United States (5: California, Georgia, South Carolina, Washington)

• Eocene to Oligocene of Peru (1)

• Eocene of Antarctica (7), Argentina (1), Australia (2), Canada (1: British Colombia), Egypt (1), France (4), Germany (1), Hungary (2), India (3), Iran (1), Italy (3), Madagascar (1), Mexico (1), Morocco (1), Nigeria (1), Panama (1), Peru (3), Romania (2), Spain (5), the United Kingdom (10), United States (96: Alabama, California, Florida, Louisiana, Massachusetts, Mississippi, Nevada, Oregon, Texas, Utah, Virginia, Washigton, Washington, Wyoming)

• Clarkforkian of United States (1: Wyoming)

• Paleogene of United States (1: California)

• Paleocene of Antarctica (1), Argentina (65), Australia (2), Austria (1), Canada (1: Alberta), Croatia (1), Denmark (1), Egypt (1), India (1), Pakistan (1), Peru (1), Romania (4), Slovakia (2), Spain (3), United States (21: Alabama, California, New Jersey, Texas)

• Cretaceous of Antarctica (8), Argentina (59), Armenia (1), Australia (3), Austria (6), Bolivia (1), Brazil (15), Bulgaria (4), Canada (24: Alberta, British Columbia, Nova Scotia), Chile (12), China (4), Colombia (2), Costa Rica (5), Croatia (1), the Czech Republic (1), Egypt (9), France (29), Gabon (3), Georgia (2), Germany (5), Greece (2), Greenland (2), Hungary (2), India (3), Israel (1), Italy (10), Japan (8), Lebanon (2), Madagascar (2), the Marshall Islands (1), Mexico (6), Mongolia (4), Morocco (1), Myanmar (2), New Zealand (18), Niger (2), Oman (2), Pakistan (1), Poland (30), Portugal (27), Romania (19), the Russian Federation (7), Saudi Arabia (1), Slovenia (7), South Africa (2), South Korea (1), Spain (25), Sweden (1), Tunisia (2), Turkey (4), Turkmenistan (2), the United Kingdom (3), United States (113: Alabama, Alaska, Arizona, Arkansas, California, Colorado, Idaho, Minnesota, Mississippi, Montana, Nevada, New Jersey, New Mexico, North Carolina, Texas, Utah, Wyoming), Uzbekistan (1), Venezuela (1), Western Sahara (1)

• Jurassic to Cretaceous of Antarctica (1), South Africa (1)

• Jurassic of Argentina (35), Austria (3), Brazil (2), Canada (53: Alberta, British Columbia, Northwest Territories, Nova Scotia, Yukon), Chile (30), China (5), Colombia (1), Cuba (1), Denmark (14), Ethiopia (10), France (19), Germany (22), Greenland (2), Hungary (20), India (27), Indonesia (1), Italy (8), Kyrgyzstan (1), Luxembourg (4), Mexico (1), Mongolia (5), Morocco (1), Myanmar (1), New Zealand (1), Poland (8), Portugal (40), Romania (2), the Russian Federation (3), Slovakia (1), Slovenia (4), Somalia (1), Spain (21), Tanzania (5), Thailand (1), Tunisia (14), Ukraine (1), the United Kingdom (30), United States (119: Alaska, California, Colorado, Idaho, Montana, Nevada, Oregon, South Dakota, Utah, Wyoming)

• Triassic of Australia (1), Austria (15), Bosnia and Herzegovina (1), Canada (7: British Columbia), China (46), Croatia (1), East Timor (1), France (4), Germany (2), Greece (10), Greenland (4), Hungary (5), India (3), Indonesia (4), Iran (2), Israel (2), Italy (46), Japan (2), Kazakhstan (11), Malaysia (1), Mexico (2), Nepal (2), New Zealand (4), Papua New Guinea (1), Poland (2), the Russian Federation (15), Slovakia (2), Slovenia (3), Spain (13), Switzerland (4), Thailand (1), Tunisia (1), Turkey (6), the United Kingdom (1), United States (137: Alaska, Arizona, California, Idaho, Montana, Nevada, Oregon, Utah, Virginia), Vietnam (1)

• Permian of Argentina (1), Australia (23), Bolivia (1), Cambodia (1), Canada (4: British Columbia, Nunavut, Yukon), Chile (6), China (17), Germany (2), Greece (6), Iran (6), Japan (1), Malaysia (2), Mexico (1), Namibia (2), Norway (1), Oman (8), Pakistan (3), Poland (1), the Russian Federation (2), Slovenia (1), Svalbard and Jan Mayen (2), Tanzania (1), Thailand (3), Tunisia (6), Turkey (6), the United Kingdom (2), United States (25: Alaska, Arizona, California, Kansas, Nevada, New Mexico, Texas, Utah, Wyoming), Venezuela (7)

• Carboniferous to Permian of United States (1: California)

• Carboniferous of Argentina (3), Australia (1), Austria (1), Belgium (3), Canada (4: Alberta), China (3), the Czech Republic (2), Egypt (2), France (1), Ireland (9), Kazakhstan (1), Libya (1), Mexico (4), Morocco (2), Slovenia (1), Spain (14), Ukraine (6), the United Kingdom (29), United States (186: Alabama, Alaska, Arizona, Arkansas, California, Illinois, Indiana, Iowa, Kansas, Kentucky, Missouri, Montana, Nebraska, New Mexico, Oklahoma, Tennessee, Texas, Utah, Virginia)

• Givetian of China (1)

• Devonian of Afghanistan (3), Antarctica (2), Australia (33), Austria (15), Belgium (2), Bolivia (2), Brazil (5), Canada (31: Alberta, Manitoba, New Brunswick, Northern Territories, Northwest Territories, Nunavut, Ontario, Yukon), China (15), Colombia (25), the Czech Republic (22), France (6), Germany (44), Ghana (1), Iran (2), Italy (3), Libya (2), Mongolia (1), Morocco (11), Myanmar (1), Norway (1), Poland (7), the Russian Federation (5), South Africa (2), Spain (10), Tajikistan (2), Ukraine (1), the United Kingdom (3), United States (67: Alaska, Arizona, California, Colorado, Florida, Idaho, Nevada, New York, Ohio, Oklahoma, Pennsylvania), Venezuela (1)

• Niagaran of United States (1: Indiana)

• Silurian to Devonian of Pakistan (1), Poland (1), Spain (1), United States (1: Oklahoma)

• Silurian of Argentina (5), Australia (11), Austria (1), Belarus (1), Canada (27: British Columbia, Manitoba, Northwest Territories, Nova Scotia, Nunavut, Ontario, Quebec, Québec), China (4), the Czech Republic (27), Estonia (4), Greenland (4), India (3), Italy (3), Kazakhstan (1), Lithuania (2), Mexico (1), Morocco (1), Norway (9), Paraguay (1), Peru (1), Poland (2), the Russian Federation (19), Spain (2), Svalbard and Jan Mayen (2), Sweden (16), Ukraine (1), the United Kingdom (24), United States (60: Alaska, California, Illinois, Indiana, Iowa, Maryland, Nevada, New Hampshire, New York, Pennsylvania, Tennessee, Wisconsin)

• Dobrotivian of France (1), Portugal (1)

• Whiterockian of United States (7: California, Nevada)

• Arenigian of United States (2: Nevada)

• Arenig of Canada (3: Newfoundland and Labrador), Greenland (2), Ireland (1), Norway (1), the United Kingdom (1), United States (6: Oklahoma, Texas)

• Ordovician of Australia (5), Canada (44: Alberta, British Columbia, Newfoundland and Labrador, Northwest Territories, Nunavut, Ontario), China (16), the Czech Republic (4), Estonia (10), France (1), Ireland (9), Kazakhstan (1), Morocco (1), Norway (1), the Russian Federation (9), South Korea (6), Spain (2), Sweden (4), Thailand (1), Turkey (1), the United Kingdom (25), United States (138: Alaska, British Columbia, California, Indiana, Iowa, Kentucky, Missouri, Nevada, Ohio, Oklahoma, Pennsylvania, Tennessee, Texas, Utah, Virginia, Wyoming)

• Canadian of United States (4: Idaho, Virginia)

• Tremadoc of China (1)

• Ibexian of Canada (1: Newfoundland and Labrador), United States (5: California, Nevada, New York)

• Paleozoic of United States (4: Alaska)

• Cambrian of Australia (6), Canada (1: Nunavut), China (1), Mexico (1), Poland (1), the Russian Federation (1), the United Kingdom (6), United States (4: Missouri, New York, Texas)

Total: 3218 collections including 3305 occurrences