Protalphadon

{{Short description|Extinct genus of mammals}}

{{Automatic taxobox

| fossil_range = Cenomanian-Maastrichtian {{Geological range|99.6|66}}

| taxon = Protalphadon

| authority = Cifelli, 1990

| type_species = Alphadon lulli

| type_species_authority = Clemens, 1966

| subdivision_ranks = Species

| subdivision = {{Species list

|P. foxi| Johanson, 1996

|P. lulli| Clemens, 1966

}}

| synonyms = *Alphadon lulli Clemens, 1966

}}

Protalphadon is a genus of small mammal from the Late Cretaceous. Its fossils are found in Utah, Montana, New Jersey, South Dakota, Wyoming and Colorado.{{cite journal|author=Zerina Johanson|title=A revision of the Late Cretaceous (Campanian) marsupial Iqualadelphis lactea Fox, 1987 |journal=Journal of Vertebrate Paleontology |date=1993|volume=13|issue=3|pages=373–377|doi=10.1080/02724634.1993.10011518}}{{cite web |title=†Protalphadon Cifelli 1990 (metatherian) |url=https://paleobiodb.org/classic/checkTaxonInfo?taxon_no=39985&is_real_user=1 |website=PBDB}} Originally the genus was assigned to Alphadon.