Adnethiceras

{{Taxobox

|name = Adnethiceras

|fossil_range = {{fossil range|196.5|189.6|ref={{cite web | title= Paleobiology Database - Adnethiceras |author-link =| year = | url = https://paleobiodb.org/classic/checkTaxonInfo?taxon_no=85481| access-date = 2017-10-19 }}}}

|regnum = Animalia

|phylum = Mollusca

|classis = Cephalopoda

|subclassis = Ammonoidea

|ordo =

|superfamilia = Lytoceratoidea

|familia = Lytoceratidae

|subfamilia = Ectocentritinae

|genus = Adnethiceras

|genus_authority =

|type_species =

|subdivision_ranks=Species

|subdivision=

}}

Adnethiceras is an extinct genus of Ammonite.