Divide Quarry
Basic information
Sample name: Divide Quarry

Reference: R. Secord. 2008. The Tiffanian land-mammal age (middle and late Paleocene) in the northern Bighorn Basin, Wyoming. University of Michigan Papers on Paleontology 35:1-192 [ER 4123]
Geography
Country: United States

State: Wyoming

County: Park

Coordinate: 45° 39' 19" N, 108° 18' 8" W
Latlng basis: stated in text

Scale: quarry

Time interval: Middle Palaeocene

Zone: Tiffanian

Section: Polecat Bench

Unit number: 3

Unit order: below to above

Max Ma: 62.278

Min Ma: 59.237

Age basis: paleomag

Geography comments: the location is stated in UTM coordinates
within Ti-4a, within chron 26r, and at 265 m ("at the 210 m level" in the composite northwestern Wyoming section: Gingerich and Clyde 2001) (the age assignment based on 26r and follows Ogg 2000)

•
Environment
Lithology: sandstone

Taphonomic context: fluvial deposit

Habitat comments: "Gidley, Rock Bench, Douglass, Cedar Point, and Divide quarries are clay-gall quarries (Fig. 7). in this type of quarry, fossils typically occur as a lag deposit, at or near the base of a channel sandstone"

Methods
Life forms: carnivores, primates, ungulates, other large mammals, other small mammals

Sample size: 483 specimens

Net or trap nights: 0

Basal area status: not applicable

Sampling comments: information on sampling methods is not given

Metadata
Sample no: 4563

Contributor no: John Alroy

Enterer: John Alroy

Created: 2024-12-06 21:31:10

Modified: 2024-12-06 21:31:10

Abundance distribution
Each square represents a species. Square sizes are proportional to counts. Values are logged.
Statistics
38 species
7 singletons
total count 483
geometric series index: 61.2
Fisher's α: 9.666
geometric series k: 0.8788
Hurlbert's PIE: 0.8544
Shannon's H: 2.5138
Good's u: 0.9856
Register
†Neoplagiaulax mckennai 2
†Neoplagiaulax cf. hazeni 10
†Mimetodon ? silberlingi 1
†Ptilodus kummae 117
†Prochetodon foxi 3
Eucosmodontidae indet.3
Prodiacodon sp. 7
cf.
†Palaeoryctes jepseni 4
†Aaptoryctes cf. ivyi 3
†Paleotomus radagasti 3
†Labidolemur soricoides 7
Unuchinia sp. 4
†Titanoides gidleyi 6
†Leptolambda churchilli 2
†Haplolambda cf. quinni 2
†Bessoecetor pilodontus 4
type
†Palaeosinopa ? dorri 1
†Leptonysson orthius 2
†Viverravus cf. schaffi (viverravid)4
†Didymictis cf. dellensis (viverravid)6
Raphictis sp. 2
?
Litolestes sp. 1
†Adunator minutus 4
Adunator sp. 1
cf.
†Leptacodon cf. choristus 1
type
†Cyriacotherium cf. argyreum 1
†Plesiadapis churchilli 119
†Carpodaptes stonleyi 9
†Carpomegodon jepseni 13
†Ignacius frugivorus 23
†Thryptacodon australis 10
†Arctocyon mumak 5
Arctocyon sp. 1
small
†Lambertocyon gingerichi 29
Hyopsodontidae indet.3
†Phenacodus magnus 6
†Ectocion cedrus 62
†Dissacus cf. navajovius 2