Tula de Allende ( of Mexico)

Also known as Tula

Where: Hidalgo, Mexico (20.0° N, 99.4° W: paleocoordinates 20.1° N, 98.8° W)

• coordinate based on nearby landmark

• local area-level geographic resolution

When: Blancan (4.9 - 1.8 Ma)

• said to be late Hemphillian to early Blancan by Carranza-Castaneda et al. 1998, but Blancan by Alvarado-Ortega and Carranza-Castaneda 2002

• formation-level stratigraphic resolution

Environment/lithology: lacustrine; volcaniclastic, argillaceous sandstone

• "lake deposits"
• "clay-volcanic sand, and ashes"

Size class: macrofossils

Primary reference: O. Carranza-Castaneda, W. E. Miller, and B. J. Kowallis. 1998. New vertebrate faunas from the Transmexican Volcanic Belt, central Mexico. Journal of Vertebrate Paleontology 18(3):31A [J. Alroy/J. Alroy/J. Ju]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 18753: authorized by John Alroy, entered by John Alroy on 15.05.2002, edited by Jonathan Tennant

Creative Commons license: CC BY (attribution)

Taxonomic list

Ostracoda
  -
Ostracoda indet.1 Latreille 1802 ostracod
at La Cementera
Actinopteri
 Cypriniformes - Catostomidae
Ictiobus sp.1 Alvarado-Ortega et al. 2006 carp-like fish
at La Cementera, Las Tortas, and/or La Viga de Tula
 Siluriformes - Ictaluridae
Ictalurus cf. spodius1 Smith 1987 catfish
at La Cementera, Las Tortas, and/or La Viga de Tula
Reptilia
 Testudines - Kinosternoidea
Kinosternon sp.2 von Spix 1824 mud turtle
Mammalia
 Perissodactyla - Equidae
Nannippus peninsulatus1 Cope 1885 hipparionine horse
at La Cementera
Equini indet. Quinn 1955 horse
"Dinohippus mexicanus or Equus (Dolichohippus) simplicidens"