Gastropoda - Opisthobranchia - Cylichnidae
Parent taxon: Philinoidea according to J. A. Todd 2001
See also Beesley 1998, Harzhauser 2007, Harzhauser and Kowalke 2002, Harzhauser and Mandic 2001, Squires 1984, Squires 1987, Squires 1988, Squires 1999, Stilwell et al. 2004 and Wienrich and Janssen 2007
Sister taxa: Aglajidae, Gastropteridae, Philinidae, Philinoglossidae, Retusidae, Scaphandridae
Subtaxa: Abderospira Acteocina Bullaria Bullichna Cylichna Cylichnania Cylichnella Philine Scaphander Suwannescapha Taita
Ecology: epifaunal carnivore
Distribution:
• Quaternary of Australia (4 collections), the Bahamas (1), Brazil (4), Canada (6: British Columbia, Newfoundland and Labrador, Nunavut, Ontario), Chile (1), China (4), Costa Rica (4), the Dominican Republic (2), Ecuador (2), Fiji (1), France (1), French Polynesia (1), Greenland (4), Haiti (1), Japan (2), Mayotte (5), Mexico (4), Morocco (1), Namibia (1), Panama (1), the Philippines (1), South Africa (2), Spain (1), Thailand (1), United States (98: Alaska, California, Florida, Georgia, Louisiana, Maryland, Mississippi, New Jersey, New York, North Carolina, South Carolina, Vermont, Virginia), Uruguay (3), Venezuela (1)
• Pliocene to Pleistocene of Ecuador (1)
• Pliocene of Belgium (2), Chile (7), Costa Rica (8), the Dominican Republic (1), Ecuador (7), Haiti (1), Iceland (1), India (1), Italy (5), Jamaica (4), Japan (1), Mexico (3), the Netherlands (1), Panama (18), South Africa (1), Trinidad and Tobago (5), the United Kingdom (1), United States (20: California, Florida, North Carolina, Virginia), Venezuela (5)
• Miocene to Pliocene of the Dominican Republic (2), United States (1: Alaska)
• Miocene of Argentina (1), Australia (4), Austria (6), Belgium (10), Brazil (2), Chile (10), Costa Rica (1), Cuba (1), Denmark (1), the Dominican Republic (5), Ecuador (2), France (2), Germany (32), Grenada (1), Haiti (2), India (2), Indonesia (7), Iran (3), Italy (3), Japan (1), Kazakhstan (1), Mexico (1), the Netherlands (2), New Zealand (9), Pakistan (1), Panama (48), Poland (1), Puerto Rico (1), Romania (1), Slovakia (1), Trinidad and Tobago (4), Ukraine (1), United States (39: California, Florida, New Jersey), Venezuela (1)
• Oligocene to Miocene of Haiti (1), United States (5: California, Florida)
• Oligocene of Australia (1), Austria (1), Canada (1: British Columbia), France (28), Germany (1), Haiti (2), Hungary (1), Jamaica (1), New Zealand (3), Oman (1), Pakistan (1), Panama (1), United States (80: Alaska, California, Florida, Mississippi, Oregon, Washington)
• Eocene to Oligocene of United States (1: Oregon)
• Eocene of Antarctica (8), Australia (1), Belgium (2), Croatia (1), Egypt (1), France (6), Germany (1), Hungary (1), Indonesia (4), Italy (2), Jamaica (1), Japan (4), Mexico (4), New Zealand (2), Pakistan (3), Panama (4), the Russian Federation (4), Trinidad and Tobago (1), the United Kingdom (19), United States (140: Alabama, Alaska, California, Florida, Louisiana, Maryland, Mississippi, New Jersey, North Carolina, Oregon, South Carolina, Texas, Washington), Venezuela (1)
• Paleocene to Eocene of Australia (1), the Russian Federation (1)
• Paleocene of Antarctica (1), Argentina (1), Australia (2), Belgium (1), Denmark (8), France (3), Germany (1), Greenland (3), Japan (1), Mexico (2), Nigeria (1), Poland (4), United States (34: Alabama, California, Illinois, Maryland, Texas, Virginia)
• Cretaceous of Antarctica (2), Australia (1), Austria (1), France (1), Gabon (1), Germany (1), Japan (1), Mexico (1), New Zealand (5), Poland (6), the Russian Federation (1), Saudi Arabia (1), South Africa (1), the United Kingdom (1), United States (132: Alabama, Arizona, Arkansas, California, Delaware, Georgia, Maryland, Mississippi, Montana, North Carolina, South Carolina, Tennessee, Texas, Utah)
• Jurassic of Saudi Arabia (1)
Total: 1020 collections including 1400 occurrences