Miomap Rocky Mountain Taxa 5

Montana, Idaho, Wyoming

Table 5S: Miocene Artiodactyls in the Northern U.S. Rocky Mountains

See Table 1S for explanation.

TAXON

Artiodactyla

Ar1

Ar2

Ar3

Ar4

He1

He 2&3

Ba1

Ba2

Ba3

Locality

Oreodontidae

Megoreodon sp

1

1

M15-28, Lower Cabbage Patch; M29-57; Mid-Up Cabbage P.

Megoreodon grandis

1

Little Muddy Crk; E Bear Crk Mt

I64, Peterson Creek

Mesoreodon chelonyx

1

1

1

Fort Logan, Canyon Ferry; Upper Sixty-six Mountain; Blacktail Deer Creek

Mesoreodon minor

1

1

Low Cabbage P., Sixty-six Mt.; Little Muddy Crk

Leptauchenia decora

1

1

Fort Logan; Little Muddy Crk;Tremain; Up Sixty-six Mt.

Leptauchenia major ["Cyclopidius simus"]

1

Canyon Ferry; Little Muddy Crk; Tremain; Willow Creek; Upper Sixty-six Mountain

Leptauchenia sp.

1

Sixty-six Mountain

Promerychoecherus barbouri

1

Blacktail Deer Creek

"Promerycochoerus" minor type

1

Lower Cabbage Patch

Promerychoecherus montanus

1

Tavnner Ranch 2, Canyon Ferry

Promerycochoerus carrikeri

1

L Van Tassel; Rawhide Buttes

Merycochoerus matthewi

1

1

Sixteen Mile D.; Royal Valley; Jay Em

Merycochoerus sp

1

Mollie Gulch; W5, E. Pilgrim 5

Merycochoerus magnus ["M. proprius magnus"]

1

W5, E. Pilgrim 5

Desmatochoerus ["Mesoreodon"] megalodon

1

Little Muddy Crk

Desmatochoerus hatcheri

1

Little Muddy Crk; Tremain;

Willow Creek

Desmatochoerus anthonyi

1

Tremain; Upper Sixty-six Mt.

Desmatochoerus ["Mesoreodon"] megalodon

1

Upper Sixty-six Mountain

Pseudodesmatochoerus milleri

1

Little Muddy Crk; Tremain

Merychyus crabilli

1

1

Keeline; L Van Tassel

Merychyus siouxensis

1

1

1

1

Keeline; L Van Tassel; Lay Ranch

Jay Em; Woodin

Merychyus elegans

1

1

1

Sixteen Mile D.; Royal Valley

Jay Em; Mollie Gulch; W4;

Saunders Loc.; Up Railroad Can.

Flint Creek

Merychyus sp.

1

Lay Ranch

Paramerychyus harrisonensis

1

1

Keeline; L Van Tassel

Desmatochoerus newchicagoensis

1

Flint Creek

Desmatochoerus macrosynaphus

1

M15-28, Lower Cabbage Patch

Desmatochoerus megalodon

1

Keeline

Desmatochoerus leidyi

1

Emerald Lake

Brachycrus laticeps

1

Upper Railroad Canyon; Flint Creek

Brachycrus rusticus

1

W70, Split Rock

Brachycrus vaughani

1

W70, Split Rock

Brachycrus sweetwaterensis

1

W70, Split Rock

Brachycrus sp.

1

W70, Split Rock

Pseudodesmatochoerus longiceps

1

M68, N. Boulder

Pseudomesoreodon boulderensis

1

M68, N. Boulder

Pseudomesoreodon rolli

1

M68, N. Boulder

Pseudomesoreodon rooneyi

1

Ticholeptus zygomaticus

1

1

Up Railroad Can.; Flint Crk., M63

T. hypsodus leadorensis

1

Upper Railroad Canyon

Merycoides cursor

1

Canyon Ferry

Sespia nitida

1

Little Muddy Crk; Tremain;

Willow Creek; Up Sixty-six Mt.

E Bear Crk Mt.

Cyclopidius heterodon

1

Upper Sixty-six Mt.

Pseudocyclopidius lullianus

1

Upper Sixty-six Mt.

"Hadroleptauchenia densa"

1

Upper Sixty-six Mt.

Phenacocoelus typus

1

Keeline

Phenacocoelus stouti

1

1

Sixteen Mile D.; Royal Valley

Jay Em

Hypsiops brachymelis

1

1

L Van Tassel

M68, N. Boulder; Grasshopper

Hypsiops breviceps

1

Woodin

Hypsiops luskensis

1

L Van Tassel

Submerycochoerus bannackensis

1

Grasshopper Creek

Ustatochoerus medius

1

Trail Creek Quarry

Oreodontoides sp.

1

Darton's Bluff

Genus / Species indeterminate

1

Darton's Bluff

Antilocapridae

Merycodus sp.

1

1

Flint Creek; Joe's Quarry; W1

Merycodus necatus & cf. necatus

1

1

W70, Split Rock; M63, Anceney

Meryceros cf. warreni [=Merycodus]

1

Trail Creek Quarry

Merycodus cf. sabulonis

1

W70, Split Rock

Cosoryx wilsoni

1

W70, Split Rock

Merriamoceros sp.

1

McKanna Spring

Paracosoryx sp.

1

McKanna Spring

Plioceros ["Sphenophalos"] cf. blicki

1

Johnson Gulch Quarry

Palaeomerycidae

Dromomeryx borealis

1

Flint Creek; McKanna Spring

Dromomeryx sp.

1

CC-North

Aletomeryx sp.

1

Horse Creek

Rakomeryx kinseyi

1

McKanna Spring

Moschidae

Blastomeryx sp.

Owl Gully

Blastomeryx elegans & cf. elegans
1
Horse Creek; M63, Anceney

Leptomerycidae

Pronodens transmontanus

1

M15-28, Lower Cabbage Patch

Pronodens sp.

1

1

M15-28, Lower Cabbage Patch; M29-57; Mid-Up Cabbage P.

Pronodens silberlingi

1

Fort Logan

Hypertragulidae

Nanotragulus sp.

1

M68, North Boulder

Nanotragulus loomisi

1

Up Sixty-six Mt; E Bear Crk Mt

Hypertragulus calcaratus

1

Fort Logan

Tayassuidae

Hesperhys vagrans

1

Flint Creek

Genus / species indeterminate

1

1

M15-28, Lower Cabbage Patch

Johnson Gulch Quarry

Anthracotheriidae

Kukusepasutanka schultzi

1

M15-28, Lower Cabbage Patch

Arretotherium acridens

1

Blacktail Deer Creek

Entelodontidae

Daeodon minimus

1

Upper Sixty-six Mountain

Daeodon sp.

1

Lay Ranch

Camelidae

Genus / species indeterminate

1

1

1

1

Fort Logan; W70; M63

Flint Creek

Aepycamelus sp.

1

1

1

Joe's Quarry; Trail Creek Quarry

Two Ocean Lake

Protolabis cf. heterdontus

1

W70, Split Rock

Protolabis ["Procamelus"] cf. gracilis

1

Johnson Gulch Quarry

Protolabis sp.

1

I64, Peterson Creek

Miolabis fissidens

1

1

Joe's Quarry

Miolabis sp.

1

I64, Peterson Creek

Michenia sp.

1

I64, Peterson Creek

Poebrotherium sp.

1

Upper Sixty-six Mountain

Blickomylus galushai

1

W70, Split Rock

Oxydactylus cf. lacota

1

North Boulder Valley

Oxydactylus sp.

1

1

Saunders Loc.; I64

Stenomylus cf. hitchcocki

1

North Boulder Valley

Stenomylus keelinensis

1

Keeline

Miotylopus gibbi

1

Upper Sixty-six Mountain

Stenomylus gracilis

1

1

Lay Ranch, Sixteen Mile D.

Royal Valley; Jay Em

Tanymykter brachyodontus

1

1

Sixteen Mile D.; Jay Em

Cervidae

Bouromeryx sp.

1

W70, Split Rock

Barbouromeryx sp.

1

W70, Split Rock

Protoceratidae

Protoceras neatodelpha

1

Keeline

Data Last Updated on 11/9/99
Typos Fixed 7/12/04 
By A.D. Barnosky
Email: barnosky@socrates.berkeley.edu