Alligaticeras

{{Short description|Genus of molluscs (fossil)}}

{{Automatic taxobox

| fossil_range = {{fossil range|Callovian|Oxfordian|ref={{cite journal|last=Sepkoski |first=Jack |title=A compendium of fossil marine animal genera (Cephalopoda entry) | journal=Bulletins of American Paleontology |volume=363 |pages=1–560 | year=2002 | url=http://strata.geology.wisc.edu/jack/showgenera.php?taxon=231&rank=class |accessdate=2017-10-18 |url-status=dead | archiveurl=https://web.archive.org/web/20160225225905/http://strata.geology.wisc.edu/jack/showgenera.php?taxon=231&rank=class | archivedate=2016-02-25 }}}}

| taxon = Alligaticeras

| authority = Buckman, 1923

| subdivision_ranks =

| subdivision =

}}

Alligaticeras is an extinct genus of cephalopod belonging to the ammonite subclass.{{cite web | title= Paleobiology Database - Alligaticeras | year = | url = https://paleobiodb.org/classic/checkTaxonInfo?taxon_no=14534| access-date = 2017-10-19 }}