Asturoceras

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

{{Automatic taxobox

| fossil_range =

| image =

| image_caption =

| taxon = Asturoceras

| authority = Ruzhencev & Bogoslovskaya, 1969

| type_species = Trizonoceras subdivisum

| type_species_authority = Kullmann, 1962

| subdivision_ranks = Species

| subdivision =

• Asturoceras subdivisum Kullmann, 1962
• Asturoceras romanum Riley, 1985

}}

Asturoceras is an extinct late Paleozoic ammonoid cephalopod genus belonging to the Goniatitida, named by Ruzhencev and Bogoslovskaya in 1969.

As for its family, the Dimorphoceratidae, the shell of Asturoceras is completely involute, with a closed umbilicus, and the ventral lobe becomes extremely wide during growth by subdivision. In Asturoceras at maturity the ventral lobe has six bifid branches.

Fossils of this genus were found in Spain{{cite web |url=http://goniat.org/showTax.html?TaxId=tax00000000000000000000000002748 | title=Goniat database - Asturoceras subdivisum | accessdate=14 March 2017}} and England.{{cite web |url=http://goniat.org/showTax.html?TaxId=tax00000000000000000000000002581 | title=Goniat database - Asturoceras romanum | accessdate=14 March 2017}}