Higgins Quarries (Neogene of the United States)

Also known as Sebits Ranch; Sibbet Ranch; Reed and Longnecker Locs. 124-A and 124-B4

Where: Lipscomb County, Texas (36.1° N, 100.1° W: paleocoordinates 36.4° N, 98.4° W)

• coordinate based on political unit

• local area-level geographic resolution

When: Hemphillian (10.3 - 4.9 Ma)

• group of beds-level stratigraphic resolution

Environment/lithology: fluvial; poorly lithified, gray sandstone

• "gray, unconsolidated-to-cemented fluvial sand"

Size classes: macrofossils, mesofossils

Primary reference: G. E. Schultz. 1990. Stop 15: Early Hemphillian faunas of the Texas and Oklahoma panhandles. In T. C. Gustavson (ed.), Tertiary and Quaternary stratigraphy and vertebrate paleontology of parts of northwestern Texas and eastern New Mexico; Guidebook - Bureau of Economic Geology, University of Texas at Austin 95-103 [J. Alroy/J. Alroy/J. Alroy]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 18198: authorized by John Alroy, entered by John Alroy on 27.09.1993, edited by Jonathan Marcot

Creative Commons license: CC BY (attribution)

Taxonomic list

• 1.8 m below prominent mortar bed (see Arnett)

•all snakes are from Higgins Quarry B

Reptilia
 Squamata - Boidae
Charina prebottae6 Brattstrom 1958 sand boa
 Squamata - Colubridae
Colubrinae indet.6 Oppel 1811 colubrid snake
"Coluber or Masticophis"
Miocoluber dalquesti n. gen. n. sp.6 Parmley 1988 colubrid snake
Paleoheterodon tiheni6 Holman 1964 colubrid snake
Thamnophis sp.6 Fitzinger 1843 garter snake
"cf. T. sirtalis or T. proximus"
Mammalia
 Rodentia - Sciuridae
Spermophilus sp. Cuvier 1825 ground squirrel
description of Dalquest and Patrick 1989 allies this to S. variegatus
 Rodentia - Eomyidae
Eomyidae indet.3 Winge 1887 rodent
Kansasimys dubius Wood 1936 rodent
 Rodentia - Geomyidae
Pliosaccomys higginsensis Dalquest and Patrick 1989 pocket gopher
 Rodentia - Heteromyidae
Heteromyinae indet.1 Gray 1868 rodent
 Rodentia - Mylagaulidae
Mylagaulidae indet.1 Cope 1881 rodent
 Lagomorpha - Leporidae
Hypolagus vetus Kellogg 1910 rabbit
 Perissodactyla - Rhinocerotidae
Teleoceras fossiger7 Cope 1878 rhinoceros
Aphelops malacorhinus Cope 1878 rhinoceros
 Perissodactyla - Equidae
Equinae indet.1 Steinmann and Döderlein 1890 horse
Hipparionini indet.1 Quinn 1955 hipparionine horse
Hippotherium sp.1 Kaup 1832 hipparionine horse
Neohipparion ? leptode Merriam 1915 hipparionine horse
Pliohippus nobilis4 Osborn 1918 horse
pers. commun.: "P. sp."
 Chiroptera - Vespertilionidae
Antrozous pallidus2 Le Conte 1856 pallid bat
 Carnivora - Mustelidae
Leptarctus sp.3 Leidy 1856 mustelid carnivore
Eomellivora sp.3 Zdansky 1924 mustelid carnivore
 Carnivora - Ursidae
Indarctos sp.3 Pilgrim 1913 bear
 Carnivora - Canidae
Vulpes stenognathus8 Savage 1941 fox
Epicyon haydeni1 Leidy 1858 bone-crushing dog
Borophagus cf. secundus1 VanderHoof 1931 bone-crushing dog
 Carnivora - Felidae
Nimravides cf. thinobates Macdonald 1948 cat
listed as "N. catocopis" by Dalquest and Patrick 1989; this is probably "Machaerodus catocopis" of Burt 1931
 Xenarthra - Megalonychidae
Megalonychidae indet. Savage 1951 edentate
 Proboscidea - Gomphotheriidae
Amebelodon floridanus1 Leidy 1886 gomphothere
 Artiodactyla - Tayassuidae
Tayassuinae indet.3 Palmer 1897 peccary
 Artiodactyla - Camelidae
Megatylopus sp., "Hemiauchenia vera" = Pleiolama vera5
Megatylopus sp. Matthew and Cook 1909 camel
"Hemiauchenia vera" = Pleiolama vera5 Matthew 1909 camel
 Artiodactyla - Gelocidae
Pseudoceras skinneri9 Frick 1937 ruminant
 Artiodactyla - Palaeomerycidae
"Pediomeryx cf. figginsi" = Yumaceras figginsi
"Pediomeryx cf. figginsi" = Yumaceras figginsi Frick 1937 ruminant
not clear if this is the "P.E. Pit" record of Webb 1983, which applies to Arnett
 Artiodactyla - Antilocapridae
Antilocaprinae indet. Brooke 1876 pronghorn