Tirolites

{{Short description|Extinct genus of ammonites}}

{{Automatic taxobox

| fossil_range = early Spathian
~{{fossil range|250.6}}

| image = Tirolites cassianus Trias sup Tirolo.jpg

| image_caption = Tirolites cassianus fossil

| taxon = Tirolites

| authority = Mojsisovics, 1879

| subdivision_ranks = Species

| subdivision_ref =

| subdivision = Tirolites cassianus
Tirolites harti
Tirolites haueri
Tirolites knighti
Tirolites longilobatus
Tirolites mangyshlakensis
Tirolites peali
Tirolites smithi
Tirolites ussuriensis

}}

Tirolites is an extinct genus of ammonoid cephalopod. Its first appearance defines the Smithian-Spathian boundary in the Olenekian stage of the Early Triassic epoch. It is prominent in the Paris biota.{{cite web |title=Tirolites Mojsisovics 1879 (ceratite) |url=https://paleobiodb.org/classic/checkTaxonInfo?taxon_no=175253 |access-date=17 December 2021 |website=Fossilworks |publisher=Macquarie University |editor-last1=Alroy |editor-first1=John |year=}}{{cite journal |last1=Brayard |first1=Arnaud |last2=Jenks |first2=James F. |last3=Bylund |first3=Kevin G. |title=Ammonoids and nautiloids from the earliest Spathian Paris Biota and other early Spathian localities in southeastern Idaho, USA |journal=Geobios |date=2019 |volume=54 |pages=13–36 |doi=10.1016/j.geobios.2019.04.007|doi-access=free }}