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Fossil Fishes of Southern California (Classic Reprint)

Fossil Fishes of Southern California (Classic Reprint)

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Excerpt from Fossil Fishes of Southern California

In the Sierra Santa Monica of Southern California is a body of sandstones and shales, which are considerably older than the diatomaceous deposits referred to the Monterey age of the Miocene period. The latter are sometimes segregated under the name of Puente. The fish-fauna of these earlier rocks is evidently much older than that of the Monterey deposits and of the lowest Miocene or possibly of the Oligocene age. As this peculiar fish-fauna is well developed in the fine sandstones about Soledad Pass, in the extreme northern part of Los Angeles County, we may provisionally call this group the Soledad deposits, using a new but temporary name, leaving the stratigraphical determination to geologists.

From Soledad deposits as thus indicated the geological collection of Stanford University has received fossil fishes from four localities -

1. Brown's Canon in the Sierra Santa Monica, four miles north of Soldiers' Home and about ten miles northeast of the city of Santa Monica. The specimens from this locality arc in a pale yellowish sandstone, and mostly fairly preserved. Etringus scintillans is well represented, with two incomplete specimens and many detached scales of Ganolytes cameo. There is also a single fine example and some fragments of Auxides sanct?-monic?. The two small examples of Buebiceps Raninus come from Brown's Canon as also the type of Rogenites bowersi.

2. Moore's Canon in the same neighborhood, in soft, fine, white sandstone. The specimens found here are mainly Rogenio solitudinis.

3. Soledad Pass, near Lancaster, about forty miles north of Los Angeles. The numerous specimens are in rather fine, white shaly sandstone, much like that of Moore's Canon.

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