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Moreno Formation

mesozoic geologic formation in San Joaquin Valley, California

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General referenceInterpretive dossier study · Crown Archives visual atlas
Record originEnglish Wikipedia
Text licenseCC BY-SA 4.0
Source revisionSep 7, 2026
Entity authorityQ17113967 ↗
Source-derived summary

The Moreno Formation is a Mesozoic geologic formation located in San Joaquin Valley (California).Dinosaur remains diagnostic to the genus level are among the fossils that have been recovered from the formation.

Paleofauna

Cartilaginous fish

Ray-finned fish

Dinosaurs

Indeterminate saurolophine hadrosaur remains have been unearthed in the area as far back as the 1930s.

Mosasaurs

Plesiosaurs

Turtles

Foraminifera

See also

List of dinosaur-bearing rock formations

List of stratigraphic units with few dinosaur genera

Footnotes

References

Hilton, Richard P. 2003. Dinosaurs and Other Mesozoic Reptiles of California. Berkeley: University of California Press. 318 pp.

Weishampel, David B.; Dodson, Peter; and Osmólska, Halszka (eds.): The Dinosauria, 2nd, Berkeley: University of California Press. 861 pp. ISBN 0-520-24209-2.

Editorial summary

Begin with the source’s own compact description: “Moreno Formation” is mesozoic geologic formation in San Joaquin Valley, California. The dossier treats that line as a proposition to test through Moreno, Formation and mesozoic, not as a finished interpretation.

Editorial reviewA practical starting point whose main value is the path it opens into stronger specialist and primary sources. The current lead gives the account dated anchors—2003—that can be checked directly. The selected authority fields contribute no independent date. For this dossier, Moreno, Formation and mesozoic is the immediate research focus.
Editorial analysis

Why this record matters

The phrase “mesozoic geologic formation in San Joaquin Valley, California” supplies a clear boundary for inquiry. It also exposes the unanswered questions: who defined that boundary, when it became stable and which sources sit outside it.

Evidence profile

Vocabulary and entity names are the principal evidence signals here, because they determine the precision of every later search. The source revision retrieved here is dated Sep 7, 2026. The linked authority identifier is Q17113967. None of the 0 selected statements returned an explicit reference. The first chronological checks are 2003.

Critical limits

Overview language is designed for orientation and should not be treated as a substitute for the evidence cited beneath it. The lead is largely declarative, so disagreement and counter-evidence require a deliberate search beyond the opening account. Authority statements aid reconciliation but still require their own references, qualifiers and ranks to be checked.

How to read it

Use the entry as an orientation point, then follow its citations and revision history. Names, dates and institutional relationships should be checked against the original record.

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The closest primary source, responsible institution and strongest cited specialist reference.

Three-step research path

  1. Establish the record: confirm the title “Moreno Formation”, its source revision and the description used here.
  2. Expand the search: follow Moreno Formation primary sources, Moreno Formation archive and Moreno research across catalogues and specialist indexes.
  3. Test the account: compare the strongest cited source with the responsible institution’s current record and note any disagreement.

Questions for further research

  1. Which source most directly establishes the central claim about “Moreno Formation”?
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Source & attribution

This entry incorporates text from “Moreno Formation” on English Wikipedia. Contributors are listed in the page history. Text is available under the Creative Commons Attribution-ShareAlike 4.0 License. Selected authority identifiers and statements are retrieved from Wikidata under CC0; their references and qualifiers remain part of the verification path.