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10,000-year-old fossilized mastodon tooth found in San Mateo County, California creek
Most headlines provide a direct, factual description of the mastodon tooth discovery, while one uses a more narrative approach, highlighting the initial misidentification as an "od
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As of September 11, 2026 at 6:11 PM, this is how Optics News reads the wording differences in this story.
What happenedA fossilized Pacific mastodon tooth believed to be at least 10,000 years old was found in “immaculate condition” in a California creek bed, according to local officials.
The headline splitKABC / ABC7 Los Angeles frames it as "10,000-year-old fossilized mastodon tooth found in San Mateo County, California creek". ABC7 New York frames it as "10,000-year-old fossilized mastodon tooth found in San Mateo County, California creek".
Match confidenceDeveloping. Only 7 sources are matched, and the source map is still narrow. Useful to watch, not enough to draw conclusions yet.
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Wording differs, but the match is too narrow to read confidently yet.
WHAT EACH SIDE EMPHASIZED
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Center10,000-year-old fossilized mastodon tooth found in San Mateo County, California creek
KABC / ABC7 Los Angeles · Center · News report
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10,000-year-old fossilized mastodon tooth found in San Mateo County, California creek
10,000-year-oldfossilized
A fossilized Pacific mastodon tooth believed to be at least 10,000 years old was found in “immaculate condition” in a California creek bed, according to local officials.
'Oddly shaped rock' unearthed in California turns out to be 'immaculate' mastodon molar
Oddly shaped rockunearthedimmaculate
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.
10,000-year-old fossilized mastodon tooth found in San Mateo County, California creek
10,000-year-oldfossilized
A fossilized Pacific mastodon tooth believed to be at least 10,000 years old was found in “immaculate condition” in a California creek bed, according to local officials.
10,000-year-old fossilized mastodon tooth found in San Mateo County, California creek
10,000-year-oldfossilized
A fossilized Pacific mastodon tooth believed to be at least 10,000 years old was found in “immaculate condition” in a California creek bed, according to local officials.
10,000-year-old fossilized mastodon tooth found in San Mateo County, California creek
A fossilized Pacific mastodon tooth believed to be at least 10,000 years old was found in “immaculate condition” in a California creek bed, according to local officials.
10,000-year-old fossilized mastodon tooth found in San Mateo County, California creek
A fossilized Pacific mastodon tooth believed to be at least 10,000 years old was found in “immaculate condition” in a California creek bed, according to local officials.
10,000-year-old fossilized mastodon tooth found in San Mateo County, California creek
A fossilized Pacific mastodon tooth believed to be at least 10,000 years old was found in “immaculate condition” in a California creek bed, according to local officials.
