USNM716t, Skinner Ranch Formation, Willis Ranch, Glass Mountains
Brewster County, Texas30.38333, −103.21667
Can I collect here?
ProSee who owns this land and whether it is claimedPro shows the owner, the claim on this spot and every claim within a mile.
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 mineralRecorded here: fossil.
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About USNM716t, Skinner Ranch Formation, Willis Ranch, Glass Mountains
USNM716t, Skinner Ranch Formation, Willis Ranch, Glass Mountains is a fossil collection site in Brewster, Texas, cataloged in the Paleobiology Database. Fossils here come from the Skinner Ranch Formation, dated to the Artinskian (290.1–283.3 million years ago). The depositional environment is recorded as reef, buildup or bioherm. Documented finds include Derbyia nasuta, Meekella enormis, Meekella hessensis, Scacchinella titan, Lophotichium simulatum, Paraduplophyllum (Vacoea) vermiculare.
Geologic setting
- Formation
- Skinner Ranch
- Geologic interval
- Artinskian
- Age
- 290.1–283.3 Ma
- Depositional environment
- reef, buildup or bioherm
- Recorded occurrences
- 7
Locality notes
1.35 miles S 59° E of Willis Ranch, Hess Ranch Horst, Hess Canyon quadrangle
Fossils found here
Derbyia nasuta
Strophomenata · Derbyiidae
Meekella enormis
Strophomenata · Meekellidae
Meekella hessensis
Strophomenata · Meekellidae
Scacchinella titan
Strophomenata · Scacchinellidae
Lophotichium simulatum
Anthozoa · Lophotichiidae
Paraduplophyllum (Vacoea) vermiculare
Anthozoa · Lophotichiidae
Paraduplophyllum (Vacoea) amplexoides longiseptatum
Anthozoa · Lophotichiidae
Records and references
Data: Paleobiology Database collection 75934 (CC BY 4.0) — view the source record
Getting there
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How hard is it?
- Getting there
- – / 5
- Finding anything
- – / 5
- Votes
- 0
Trip reports
No trip reports yet.
Questions about USNM716t, Skinner Ranch Formation, Willis Ranch, Glass Mountains
Can you collect at USNM716t, Skinner Ranch Formation, Willis Ranch, Glass Mountains?
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 USNM716t, Skinner Ranch Formation, Willis Ranch, Glass Mountains?
Fossil.
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Source: Paleobiology Database.