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Temporal range: Middle Jurassic
Scientific classification
Phylum: Mollusca
Class: Cephalopoda
Subclass: Ammonoidea
Order: Ammonitida
Superfamily: Haplocerataceae
Family: Strigoceratidae
Genus: Hebetoxyites
Buckman, 1924

Hebetoxyites is a fossil ammonoid cephalopod from the middle part of the Bajocian stage, middle Jurassic, included in the Strigoceratidae, Haplocerataceae. The shell is oxyconic, with a sharp rim but no keel, and involute, with the inner whorls hidden. The unbilicus is very small. Sides have a spiral ridge but are not strigate.


  • W.Arkell, et al. Mesozoic Ammonoidea (L271), Treatise on Invertebrate Paleontology, Part L, 1957. Geological Society of America and University of Kansas Press
  • Sepkoski's list of Cephalopod genera. [1]