''Emileia'' is an extinct genus from a well-known class of fossil

cephalopod A cephalopod is any member of the molluscan class Cephalopoda (Greek plural , ; "head-feet") such as a squid, octopus, cuttlefish, or nautilus. These exclusively marine animals are characterized by bilateral body symmetry, a prominent head ...

s, the

ammonite Ammonoids are a group of extinct marine mollusc animals in the subclass Ammonoidea of the class Cephalopoda. These molluscs, commonly referred to as ammonites, are more closely related to living coleoids (i.e., octopuses, squid and cuttlefish) ...

s, that lived during the early part of the Bajocian. ''Emileia''is a large form with fine ribbing that includes may secondaries. It begins as a barrel shaped cadicone, with an eccentric, more or less smooth body chamber.Mesozoic Ammonoidea,

Treatise on Invertebrate Paleontology The ''Treatise on Invertebrate Paleontology'' (or ''TIP'') published by the Geological Society of America and the University of Kansas Press, is a definitive multi-authored work of some 50 volumes, written by more than 300 paleontologists, and co ...

part L (L232,L287) ''Emileia'' is included in the family

Otoitidae Otoidtidae: stephanoceratoid ammonitina from the early Middle Jurassic that begin as cadicones but become more planualte with age; derived from the Hammitoceratidae (Hildoceratoidea), probably through '' Erycites'' by way of ''Abbasites''. Sh ...

and superfamily Stephanoceratoidea of the Ammonitina

References

Jurassic ammonites Ammonites of Europe Bajocian life Ammonitida genera Stephanoceratoidea {{ammonitina-stub