Engdahl Anthills 1 is a fossil collection site in Garfield, Montana, cataloged in the Paleobiology Database. Fossils here come from the Hell Creek Formation, dated to the Lancian (72.2–66 million years ago). The depositional environment is recorded as terrestrial indet. Documented finds include Mesodma thompsoni, Cimolodon nitidus, Alphadon, Glasbius twitchelli, Didelphodon vorax, Gypsonictops illuminatus.

Geologic setting

Formation: Hell Creek
Geologic interval: Lancian
Age: 72.2–66 Ma
Depositional environment: terrestrial indet.
Recorded occurrences: 41

Fossils found here

Mesodma thompsoni

Mammalia · Neoplagiaulacidae

Cimolodon nitidus

Mammalia · Cimolodontidae

Alphadon

Mammalia · Alphadontidae

Glasbius twitchelli

Mammalia · Glasbiidae

Didelphodon vorax

Mammalia · Stagodontidae

Gypsonictops illuminatus

Mammalia · Gypsonictopidae

Helopanoplia

Reptilia · Plastomenidae

Adocus

Reptilia · Adocidae

Compsemys

Reptilia · NO_FAMILY_SPECIFIED

Siluriformes

Osteichthyes

Baenidae

Reptilia · Baenidae

Chelydridae

Reptilia · Chelydridae

Trionychidae

Reptilia · Trionychidae

Trionychinae

Reptilia · Trionychidae

Lonchidion selachos

Chondrichthyes · Lonchidiidae

Myledaphus bipartitus

Chondrichthyes · Rhinobatidae

Amia fragosa

Osteichthyes · Amiidae

Amia uintaensis

Osteichthyes · Amiidae

Lepisosteus occidentalis

Osteichthyes · Lepisosteidae

Palaeolabrus

Osteichthyes · NO_FAMILY_SPECIFIED

Champsosaurus natator

Reptilia · NO_FAMILY_SPECIFIED

Compsemys victa

Reptilia · NO_FAMILY_SPECIFIED

Scapherpeton tectum

Amphibia · Scapherpetontidae

Chirostenotes

Reptilia · Caenagnathidae

Paronychodon

Reptilia · NO_FAMILY_SPECIFIED

Brachychampsa montana

Reptilia · Alligatoridae

Borealosuchus sternbergii

Reptilia · NO_FAMILY_SPECIFIED

Osteichthyes

Sauria

Reptilia

Crocodylidae

Reptilia · Crocodylidae

Dromaeosauridae

Reptilia · Dromaeosauridae

Coeluridae

Reptilia · Coeluridae

Coelurosauria

Reptilia

Theropoda

Reptilia

Hadrosauridae

Ornithischia · Hadrosauridae

Ceratopsidae

Ornithischia · Ceratopsidae

Dinosauria

Reptilia

Lepisosteidae

Osteichthyes · Lepisosteidae

Aves

Records and references

Data: Paleobiology Database collection 14533 (CC BY 4.0) — view the source record

Getting there

No directions yet.

How hard is it?

Getting there: – / 5
Finding anything: – / 5
Votes: 0

Trip reports

No trip reports yet.

Questions about Engdahl Anthills 1

Can you collect at Engdahl Anthills 1?

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 Engdahl Anthills 1?

Fossil.

Comments

This site is protected by reCAPTCHA and the Google Privacy Policy and Terms of Service apply.

No comments yet.

What to bring

The whole kit

Estwing E3-22P Rock PickThe industry-standard 22oz geological hammer. One-piece forged steel with shock-reduction grip.See it on Amazon Compare picks
Clear Anti-Fog Safety Glasses (4 Pack)Adjustable, anti-fog lenses for clear vision in any conditions.See it on Amazon Compare picks
Watertight Medical KitCompact, waterproof first aid kit with bandages, moleskin, and field essentials.See it on Amazon Compare picks
Northwest Treasure Hunter's Gem and Mineral GuideWhether you're digging for the first time or are an experienced rockhound or "prospector," with a simple rock hammer and...See it on Amazon

As an Amazon Associate we earn from qualifying purchases.

Source: Paleobiology Database.