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Krzyzanowski Bonebed, NMMNH L-3764

Arizona
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Next site in ArizonaNMMNH L-6818, Blue Hills · 2 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.

2 miNMMNH L-6818, Blue HillsFossil4 miSt Johns, KraterokheirodonFossil8 miPlacerias Quarry, UCMP A269Fossil

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About Krzyzanowski Bonebed, NMMNH L-3764

Krzyzanowski Bonebed, NMMNH L-3764 is a fossil collection site in Arizona, cataloged in the Paleobiology Database. Fossils here come from the Chinle Formation, dated to the Norian (227.3–205.7 million years ago). The depositional environment is recorded as crevasse splay. Documented finds include Actinopterygii, Anaschisma, Reptilia, Archosauriformes, Mystriosuchinae, Rutiodon.

Geologic setting

Formation
Chinle
Geologic interval
Norian
Age
227.3–205.7 Ma
Depositional environment
crevasse splay
Altitude
1725 meters
Recorded occurrences
21
Locality notes

possibly one of Camp's (1930) "meal pots" localities, NE of Saint Johns, in the Blue Hills

Fossils found here

Actinopterygii
Actinopterygii
Anaschisma
Amphibia · Metoposauridae
Reptilia
Reptilia
Archosauriformes
Reptilia
Mystriosuchinae
Reptilia · Parasuchidae
Rutiodon
Reptilia · Parasuchidae
Dinosauria
Reptilia
Theropoda
Reptilia
Ornithischia
Ornithischia
Crocodylomorpha
Reptilia
Poposaurus gracilis
Reptilia · NO_FAMILY_SPECIFIED
Suchia
Reptilia
Desmatosuchus
Reptilia · Stagonolepididae
Stagonolepis
Reptilia · Stagonolepididae
Archosauromorpha
Reptilia
Apachesaurus
Amphibia · Metoposauridae
Arganodus
Osteichthyes · Ceratodontidae
Puercosuchus traverorum
NO_CLASS_SPECIFIED · NO_FAMILY_SPECIFIED

Records and references

Data: Paleobiology Database collection 22705 (CC BY 4.0) — view the source record

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Questions about Krzyzanowski Bonebed, NMMNH L-3764

Can you collect at Krzyzanowski Bonebed, NMMNH L-3764?

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 Krzyzanowski Bonebed, NMMNH L-3764?

Fossil.

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Source: Paleobiology Database.