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Articulate Brachiopods, Eospirifer Beds, Fitzhugh Mbr., Clarita Fm., Oklahoma

Oklahoma
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Next site in OklahomaEast-west trending gullies on the east side of an unnamed tributary of Sycamore Creek on the Daube Ranch · 5 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.

5 miEast-west trending gullies on the east side of an unnamed tributary of Sycamore Creek on the Daube RanchFossil7 miN-1Fossil8 miMill CreekManganese

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About Articulate Brachiopods, Eospirifer Beds, Fitzhugh Mbr., Clarita Fm., Oklahoma

Articulate Brachiopods, Eospirifer Beds, Fitzhugh Mbr., Clarita Fm., Oklahoma is a fossil collection site in Oklahoma, cataloged in the Paleobiology Database. Fossils here come from the Clarita Formation, dated to the Wenlock (432.9–426.7 million years ago). The depositional environment is recorded as deep subtidal ramp and the tectonic setting is cratonic basin. Documented finds include Orthostrophella, Dolerorthis, Onychotreta, Brachymimulus, Parastrophinella, Antirhynchonella.

Geologic setting

Formation
Clarita
Geologic interval
Wenlock
Age
432.9–426.7 Ma
Depositional environment
deep subtidal ramp
Tectonic setting
cratonic basin
Recorded occurrences
12
Geology notes

Amsden suggests condition of shells indicates low-energy environment, much material possibly in situ. No evidence of reefs or buildups.\r\nSEP environmental call based on given info and on Amsden (1968) JP 42 sup. to 3

Locality notes

Several localities in Arbuckle Mountain and Criner Hills region; Murray, Carter, Johnston, Atoka, Coal, and Pontococ Counties.

Fossils found here

Orthostrophella
Rhynchonellata · Orthidae
Dolerorthis
Rhynchonellata · Hesperorthidae
Onychotreta
Strophomenata · Triplesiidae
Brachymimulus
Strophomenata · Triplesiidae
Parastrophinella
Rhynchonellata · Parastrophinidae
Antirhynchonella
Rhynchonellata · Clorindidae
Leangella
Strophomenata · Leptestiidae
Shaleria
Strophomenata · Shaleriidae
Eospirifer
Rhynchonellata · Cyrtiidae
Howellella
Rhynchonellata · Delthyrididae
Lissatrypa
Rhynchonellata · Lissatrypidae
Dicamaropsis
Rhynchonellata · Meristidae

Records and references

Data: Paleobiology Database collection 26024 (CC BY 4.0) — view the source record

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Questions about Articulate Brachiopods, Eospirifer Beds, Fitzhugh Mbr., Clarita Fm., Oklahoma

Can you collect at Articulate Brachiopods, Eospirifer Beds, Fitzhugh Mbr., Clarita Fm., Oklahoma?

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 Articulate Brachiopods, Eospirifer Beds, Fitzhugh Mbr., Clarita Fm., Oklahoma?

Fossil.

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Meteorite nearbyA 270 kg iron meteorite was found at Lake Murray in 1933, 18 miles from here.

Source: Paleobiology Database.