Cretothyrea

{{short description|Genus of beetles}}

{{Italic title}}

{{Taxobox

| name = Cretothyrea optanda

| regnum = Animalia

| phylum = Arthropoda

| classis = Insecta

| ordo = Coleoptera

| subordo = Polyphaga

| superfamilia = Buprestoidea

| familia = Buprestidae

| genus = Cretothyrea

| genus_authority = Alexeev, 1996

| species = C. optanda

| binomial = Cretothyrea optanda

| binomial_authority = Alexeev, 1996

}}

Cretothyrea optanda is a fossil species of beetle in the family Buprestidae, the only species in the genus Cretothyrea.{{cite web |url=https://cerambycids.com/Buprestidae/WorldCat/Classif/fossils.htm |title=Fossil Buprestidae |author=Bellamy, C. L. |date=2013 |work=A Checklist of World Buprestoidea |accessdate=7 Sep 2021}}