Ylistrum japonicum

{{Short description|Species of bivalve}}

{{italic title}}

{{Speciesbox

| name = saucer scallop

| image =Amusium japonicum, tsukihigai.jpg

| genus = Ylistrum

| species = japonicum

| authority = (Gmelin, 1791)

| synonyms =

• Amusium japonicum
• Ostrea japonica

}}

Ylistrum japonicum, known as saucer scallop is found around the waters of Japan, Philippines, south eastern Asia and Australia. Well regarded as seafood in Asia and Australia.{{cite web|title=Amusium japonicum (Gmelin, 1791) saucer scallop |url=https://www.sealifebase.se/summary/Amusium-japonicum.html | work = SeaLifeBase|publisher=|access-date=February 17, 2020}}{{cite web|title=Ylistrum japonicum (Gmelin, 1791)|url=https://www.gbif.org/species/8011417|work=GBIF Global Biodiversity Information Facility|publisher=Australian Government|access-date=February 17, 2020}}{{cite web|title=Ylistrum japonicum (Gmelin, 1791)|url=http://www.marinespecies.org/aphia.php?p=taxdetails&id=821598|work=Worms, World Register of Marine Species|publisher=|access-date=February 17, 2020}}