Indonautilus

{{Taxobox

| fossil_range = Middle - Late Triassic

| image =

| regnum = Animalia

| phylum = Mollusca

| classis = Cephalopoda

| ordo = Nautilida

| familia = Liroceratidae

| genus = Indonautilus

| genus_authority = Mojsisovics, 1902

}}

Indonautilus is an involute nautilid from the Middle and Upper Triassic. (Anisian-Norian), with a small or occluded umbilicus and subrectangular whorl section belonging to the Liroceratidae (Clydonaulilaceae). Flanks are slightly bowed, converging on a flattened venter. Ventro-lateral shoulders are narrowly rounded or angular. Umbilical shoulder are broadly rounded. The siphuncle is subdorsal.

Indonautilus has been found in Egypt, Israel, the Himalayas, and East Indies.