CB-L is a fossil collection site in Monroe, Alabama, cataloged in the Paleobiology Database. Fossils here come from the Lisbon Formation, dated to the Lutetian to Bartonian (48.07–37.71 million years ago). The depositional environment is recorded as shallow subtidal indet. Documented finds include Athleta haleanus, Plagiarca, Barbatia (Plagiarca) rhomboidella, Barbatia, Bathytormus clarkensis, Crassatella (Bathytormus).

Geologic setting

Formation: Lisbon
Geologic interval: Lutetian to Bartonian
Age: 48.07–37.71 Ma
Depositional environment: shallow subtidal indet.
Recorded occurrences: 39

Fossils found here

Athleta haleanus

Gastropoda · Volutidae

Plagiarca

Bivalvia · Arcidae

Barbatia (Plagiarca) rhomboidella

Bivalvia · Arcidae

Barbatia

Bivalvia · Arcidae

Bathytormus clarkensis

Bivalvia · Crassatellidae

Crassatella (Bathytormus)

Bivalvia · Crassatellidae

Cadulus

Scaphopoda · Gadilidae

Callista (Callista) perovata

Bivalvia · Veneridae

Caryocorbula deusseni

Bivalvia · Corbulidae

Chlamys

Bivalvia · Pectinidae

Chlamys wahtubbeana

Bivalvia · Pectinidae

Coralliophaga

Bivalvia · Trapezidae

Crassostrea

Bivalvia · Ostreidae

Antalis

Scaphopoda · Dentaliidae

Tellina (Eurytellina) papyria

Bivalvia · Tellinidae

Glycymeris staminea

Bivalvia · Glycymerididae

Glycymeris trigonella

Bivalvia · Glycymerididae

Haustator carinata

Gastropoda · Turritellidae

Haustator rina

Gastropoda · Turritellidae

Mercimonia

Bivalvia · Veneridae

Neverita

Gastropoda · Naticidae

Nucula (Nucula) magnifica

Bivalvia · Nuculidae

Nucula (Nucula) mauricensis

Bivalvia · Nuculidae

Pachecoa declivis

Bivalvia · Noetiidae

Pitar

Bivalvia · Veneridae

Pteropsella

Bivalvia · Anatinellidae

Tellina (Moerella) aldrichi

Bivalvia · Tellinidae

Tellina (Arcopagia) raveneli

Bivalvia · Tellinidae

Tellina

Bivalvia · Tellinidae

Trinacria cuneus

Bivalvia · Arcidae

Trinacria

Bacillariophyceae · NO_FAMILY_SPECIFIED

Tropisurcula (Eodrillia)

Gastropoda · Cochlespiridae

Turritella apita

Gastropoda · Turritellidae

Turritella

Gastropoda · Turritellidae

Turritella nasuta

Gastropoda · Turritellidae

Venericardia (Venericor) densata

Bivalvia · Carditidae

Records and references

Data: Paleobiology Database collection 205439 (CC BY 4.0) — view the source record

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Questions about CB-L

Can you collect at CB-L?

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 CB-L?

Fossil.

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What to bring

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Meteorite nearbyA 20 kg iron meteorite was found at Lime Creek in 1834, 0 miles from here.

Source: Paleobiology Database.