Peismoceras

{{Short description|Genus of nautiloids}}

{{Automatic taxobox

| fossil_range = {{fossilrange|428|416|Silurian}}

| image = Lechritrochoceratidae - Peismoceras optatum.JPG

| image_caption = Peismoceras optatum from Czech Republic, at the National Museum (Prague)

| taxon = Peismoceras

| authority = Hyatt, 1894

| subdivision_ranks = Species

| subdivision =

}}

Peismoceras is a genus of fossil Cephalopoda in the family Lechritrochoceratidae.

These nautiloids were fast-moving nektobenthic carnivores. They lived in the Silurian Period, from Late Wenlock age (from 428.2 ± 1.5 to 422.9 ± 2.8 mya) to Přídolí Age (from 418.7 ± 1.5 to 416 ± 2.8 mya).