Coecillos (Neogene of Mexico)

Also known as Coecillo; GTO 30; GTO-30; GTO-75; GTO 75

Where: Guanajuato, Mexico (21.0° N, 100.8° W: paleocoordinates 21.3° N, 99.2° W)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Hemphillian (10.3 - 4.9 Ma)

• group of beds-level stratigraphic resolution

Environment/lithology: terrestrial; lithology not reported

Size class: macrofossils

Primary reference: W. E. Miller and O. Carranza-Castaneda. 1984. Late Cenozoic Mammals from Central Mexico. Journal of Vertebrate Paleontology 4(2):216-236 [J. Alroy/J. Alroy/J. Ju]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 18718: authorized by John Alroy, entered by John Alroy on 18.02.1993, edited by Jonathan Marcot and Philip Mannion

Creative Commons license: CC BY (attribution)

Taxonomic list

• several localities from a 4 m unit
underlies Rancho Viejo
unclassified
  -
Mammalia
 Placentalia -
Lagomorpha indet. Brandt 1885 placental
 Perissodactyla - Rhinocerotidae
Teleoceras fossiger2 Cope 1878 rhinoceros
 Perissodactyla - Equidae
Nannippus aztecus2 Mooser 1968 hipparionine horse
Neohipparion eurystyle2 Cope 1893 hipparionine horse
Equini indet.1 Quinn 1955 horse
Dinohippus mexicanus2 Lance 1950 horse
"Astrohippus stocki" = Astrohippus stockii2 Lance 1950 horse
 Artiodactyla - Tayassuidae
Platygonus sp., "Catagonus brachydontus" = Protherohyus brachydontus2
Platygonus sp. Leconte 1848 peccary
"Catagonus brachydontus" = Protherohyus brachydontus2 Dalquest and Mooser 1980 peccary
 Artiodactyla - Camelidae
Camelidae indet. Gray 1821 camel
? Alforjas sp.2 Harrison 1979 camel
Megatylopus matthewi2 Webb 1965 camel
Hemiauchenia sp.2 Gervais and Ameghino 1880 camel
? Hemiauchenia gracilis2 Meachen 2005 camel
"Hemiauchenia vera" = Pleiolama vera2 Matthew 1909 camel
 Artiodactyla - Protoceratidae
? Kyptoceras sp.2 Webb 1981 protoceratid
 Artiodactyla - Antilocapridae
Hexobelomeryx fricki2 Furlong 1941 pronghorn
Texoceros sp.2 Frick 1937 pronghorn
 Carnivora - Mephitidae
Conepatus sanmiguelensis n. sp.3 Wang and Carranza-Castaneda 2008 hog-nosed skunk
MPGJ 272
 Carnivora - Mustelidae
? Taxidea sp.2 Waterhouse 1839 badger
 Carnivora - Ursidae
"? Agriotherium schneideri" = Huracan schneideri2
"? Agriotherium schneideri" = Huracan schneideri2 Sellards 1916 bear
 Carnivora - Canidae
"Canis ferox" = Eucyon ferox2
"Canis ferox" = Eucyon ferox2 Miller and Carranza-Castaneda 1998 canine
 Megatherioidea - Megalonychidae
Megalonyx sp.2 Harlan 1825 edentate
 Proboscidea - Gomphotheriidae
? Gomphotheriidae indet.2 Hay 1922 gomphothere
Rhynchotherium sp.2 Falconer 1868 gomphothere