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UCMP loc. 2377

Fresno County, California
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Next site in CaliforniaUCMP loc. 2096 · 1 mi

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Based on our latest records, with claims updated from the BLM on Oct 9, 2026. Land and claims can change quickly, so check before you go.

Minerals on record here

1 mineral

Recorded here: fossil.

Nearby sites

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1 miUCMP loc. 2096Fossil2 miUCMP loc. 2091Fossil3 miUCMP loc. 2376Fossil

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About UCMP loc. 2377

UCMP loc. 2377 is a fossil collection site in Fresno, California, cataloged in the Paleobiology Database. Fossils here come from the Etchegoin Formation, dated to the Pliocene (5.333–2.58 million years ago). The depositional environment is recorded as marine indet. Documented finds include Anadara trilineata, Cryptomya californica, Glycymeris septentrionalis, Macoma (Macoma) inquinata, Leporimetis obesa, Ostrea (Ostrea) atwoodii.

Geologic setting

Formation
Etchegoin
Geologic interval
Pliocene
Age
5.333–2.58 Ma
Depositional environment
marine indet.
Recorded occurrences
17
Locality notes

2377. Center of NW 1/4 of SE 1/4 Sec. 34, T. 19S, R.15E. Lowest invertebrate fossiliferous zone.

Fossils found here

Anadara trilineata
Bivalvia · Arcidae
Cryptomya californica
Bivalvia · Myidae
Glycymeris septentrionalis
Bivalvia · Glycymerididae
Macoma (Macoma) inquinata
Bivalvia · Tellinidae
Leporimetis obesa
Bivalvia · Tellinidae
Ostrea (Ostrea) atwoodii
Bivalvia · Ostreidae
Patinopecten lohri
Bivalvia · Pectinidae
Tresus nuttallii
Bivalvia · Mactridae
Calyptraea filosa
Gastropoda · Calyptraeidae
Moniliopsis graciosana mercedensis
Gastropoda · Borsoniidae
Tritonalia temelenta
Gastropoda · Muricidae
Natica (Neverita) convexa
Gastropoda · Naticidae
Polinices (Euspira) galianoi
Gastropoda · Naticidae
Caesia californiana
Gastropoda · Nassariidae
Callianax biplicata
Gastropoda · Olividae
Calicantharus kettlemanensis
Gastropoda · Buccinidae
Turritella vanvlecki
Gastropoda · Turritellidae

Records and references

Data: Paleobiology Database collection 216864 (CC BY 4.0) — view the source record

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Questions about UCMP loc. 2377

Can you collect at UCMP loc. 2377?

It depends on who owns the land and whether a mining claim covers it. BLM land usually allows hand collecting for personal use, national parks allow none, and private land needs the owner’s permission. Pro members see the owner and any claims at this spot.

What minerals are found at UCMP loc. 2377?

Fossil.

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Source: Paleobiology Database.