Sinum maculatum

{{Short description|Species of gastropod}}

{{Speciesbox

| image = Brown Baby Ear (11407517743).jpg

| image_caption = Fixed specimen of Sinum maculatum.

| taxon = Sinum maculatum

| authority = (Say, 1831)

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| synonyms =

}}

Sinum maculatum is a species of predatory sea snail, a marine gastropod mollusk in the family Naticidae, the moon snails.{{WRMS species|419768|Sinum maculatum (Say, 1831)|||WoRMS (2010). Sinum maculatum (Say, 1831). Accessed through: World Register of Marine Species at http://www.marinespecies.org/aphia.php?p=taxdetails&id=419768 on 17 June 2010}}