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iAulacocerida
Scientific classification
Kingdom: Animalia Phylum: Mollusca Class: Cephalopoda Subclass: Coleoidea (unranked) Cohort †Belemnoidea Order: †Aulacocerida Stolley, 1919
Families
†Aulacoceratidae</br> †Dictyoconitidae</br> †Hematitidae</br> †Palaeobelemnopseidae</br> †Xiphoteuthididae</br>

Aulacocerida is an extinct order of belemnoids.