"سنگ با شکل عجیب" کشف شده در کالیفرنیا معلوم شد مولر ماستودون "بی عیب و نقص" است.

'Oddly shaped rock' unearthed in California turns out to be 'immaculate' mastodon molar

A field survey in San Mateo County, California, has revealed the fossilized tooth of an adult Pacific mastodon, an ice-age giant that was probably native to the West Coast.