Activity Patrick Hsieh posted a new specimen. 2 years ago 2 years ago 2 years ago Patrick Hsieh has contributed specimen mFeM 77199 to myFOSSIL! Patrick Hsieh replied 2 years ago Internal mold with traces of shell visible. Small, round shell is most likely a carnivorous snail of Naticidae. Not sure if enough shell is present to accurately show the umbilicus to distinguish genera/species.