Diestoceratidae
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| + | The Diestoceratidae were a family of cyrtoconic oncocerids from the Middle to Upper Ordovician with a characteristic cross-section. | ||
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| + | '''Characters''' (from Sweet 1964): Compressed, straight to slightly endogastric brevicones. Siphuncle marginal, cyrtochoanitic with discrete, irregular actinosiphonate deposits. | ||
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| + | ==Taxonomy== | ||
[[Oncoceratidae|<==]]Diestoceratidae | [[Oncoceratidae|<==]]Diestoceratidae | ||
|--''Danoceras'' Troedsson 1926 [incl. ''Hyperoceras'' Foerste 1928] S64 | |--''Danoceras'' Troedsson 1926 [incl. ''Hyperoceras'' Foerste 1928] S64 | ||
