Protremaster

{{Short description|Extinct genus of starfishes}}

{{Italic title}}

{{Taxobox

| name = Protremaster

| fossil_range = Early Jurassic

| image =

| image_caption =

| regnum = Animalia

| phylum = Echinodermata

| classis = Asteroidea

| ordo = Valvatida

| familia = Asterinidae

| genus = Protremaster

| genus_authority = Smith and Tranter 1985

| type_species = Protremaster universalis

| type_species_authority = Smith and Tranter 1985

}}

Protremaster is an extinct genus of sea stars that lived in the Early Jurassic (age range: 196.5 to 189.6 Ma). Its fossils have been found in the Lully Foothills Formation of Antarctica.: A. B. Smith and T.H. Tranter. 1985. Protremaster, a new lower jurassic genus of asteroid from Antarctica. Geological Magazine 122(4):351-359