Diestoceratidae is a family in the nautiloid cephalopod order Oncocerida with compressed, straight to faintly endogastric breviconic shells with a marginal siphuncle that contains discrete, irregular actinosiphonate deposits.
The Diestoceratidae contains five known genera. They are: Diestoceras Danoceras Dowlingoceras Lyckholmoceras Suttonoceras
References
External links Diestoceratidae -Paleobio db Sweet, Walter C. 1964. Nautiloidea -Oncocera. Treatise on Invertebrate Paleontology, Part K. Geological Soc. of America & Univ Kansas Press.