Aletomeryx Quarry (Miocene of the United States)

Also known as Lull's Quarry F; UNSM Cr-23

Where: Cherry County, Nebraska (42.8° N, 102.0° W: paleocoordinates 43.5° N, 98.1° W)

• coordinate based on political unit

• small collection-level geographic resolution

When: Runningwater Formation (Hemingford Group), Early/Lower Hemingfordian (20.4 - 16.0 Ma)

• Hemingfordian 1

• group of beds-level stratigraphic resolution

Environment/lithology: terrestrial; lithology not reported

Size class: macrofossils

Collected by R. S. Lull (1914), P. O. McGrew, E. Shaw, J. M. Schmidt (1940) in 1914, 1940; reposited in the FMNH, UNSM

Primary reference: R. S. Lull. 1920. An upper Carboniferous footprint from Attleboro, Massachusetts. American Journal of Science s4-50:234-236 [J. Alroy/J. Alroy/P. Wagner]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 17865: authorized by John Alroy, entered by John Alroy on 18.02.1993, edited by Philip Mannion

Creative Commons license: CC BY (attribution)

Taxonomic list

• questionable records: type of "Blastomeryx" marshi collected by Marsh from within 25 miles (!) of Quarry F; type of Nothocyon latidens multicuspis not mentioned by Lull Parablastomeryx (Pseudoblastomeryx) marsa Frick 1937: type, "1 mile west of Aletomeryx Quarry" in Cherry County specimen of "Protohippus placidus or niobrarensis" was apparently mislabelled as from Quarry F
Reptilia
 Crocodylia - Alligatoridae
cf. Alligator sp.7 Daudin 1809 alligator
UNSM 135036, 135037
Alligator mcgrewi n. sp.3 Schmidt 1941 alligator
Mammalia
 Carnivora - Palaeogalidae
Palaeogale cf. minuta Gervais 1848 carnivoran
de Bonis 1981
 Carnivora - Amphicyonidae
Daphoenodon superbus4 Peterson 1907 bear-dog
 Carnivora - Canidae
Phlaocyon leucosteus6 Matthew 1899 bone-crushing dog
Phlaocyon mariae n. sp.6 Wang et al. 1999 bone-crushing dog
Cynarctoides acridens6 Barbour and Cook 1914 bone-crushing dog
"Runningwater Formation... Cherry County... Antelope Creek"
Desmocyon matthewi6 Wang et al. 1999 bone-crushing dog
"Aletomeryx Quarry"; "above Aletomeryx Quarry"; "4 ft above Aletomeryx Quarry"; "10 ft above Aletomeryx Quarry zone"; and "18 mi east of Aletomeryx Quarry" in the same county
Ectopocynus simplicidens5 Wang 1994 canid
18 ft above Aletomeryx Zone; placed here because other records also may be from this high in the local section
 Perissodactyla - Rhinocerotidae
Rhinocerotidae indet. Gray 1821 rhinoceros
 Artiodactyla - Camelidae
Michenia sp.1 Frick and Taylor 1971 camel
Oxydactylus longipes2 Peterson 1904 camel
may include "Procamelus sp." of Lull
 Artiodactyla - Palaeomerycidae
Aletomeryx gracilis n. sp. Lull 1920 ruminant
see also Frick 1937
 Rodentia - Heteromyidae
Schizodontomys amnicolus n. sp.1 Korth et al. 1990 rodent
UNSM Cr-23