†subfamily Diacanthocapsinae O'Dogherty 1994 (radiolarian)
Protozoa - Nassellaria - Carpocaniidae
Parent taxon: Carpocaniidae according to P. De Wever et al. 2001
Sister taxa: Carpocanarium, Carpocaniinae, Carpocanobium, Cystophormis
Subtaxa: Annikaella Diacanthocapsa Eastonerius Myllocercion Novodiacanthocapsa Schadelfusslerus Theocapsomma
Type: Diacanthocapsa
Ecology: passively mobile planktonic omnivore
Distribution:
• Paleocene of New Zealand (47 collections)
• Cretaceous of Azerbaijan (5), Canada (5: Nunavut), the Czech Republic (1), Germany (2), Italy (12), Japan (21), New Zealand (13), North Pacific (1), Oman (3), Poland (5), the Russian Federation (3), Slovakia (1), Turkey (1), United States (2: California)
• Jurassic of Japan (3), Oman (2)
Total: 127 collections including 329 occurrences