Arroyo Blanco (AMNH Quarry 88) (Eocene of the United States)

Where: Rio Arriba County, New Mexico (36.5° N, 107.0° W: paleocoordinates 41.2° N, 91.7° W)

• coordinate based on political unit

• small collection-level geographic resolution

When: San Jose Formation, Wasatchian (55.8 - 50.3 Ma)

Environment/lithology: terrestrial

Reposited in the AMNH

Primary reference: L. Krishtalka. 1976. Early Tertiary Adapisoricidae and Erinaceidae (Mammalia, Insectivora) of North America. Bulletin of Carnegie Museum of Natural History 1 [J. Alroy/J. Alroy/J. Ju]more details

PaleoDB collection 15453: authorized by John Alroy, entered by John Alroy on 05.01.1995, edited by Terri Cleary and Patricia Holroyd

Creative Commons license: CC BY (attribution)

Taxonomic list

• this is the only major AMNH quarry in this area
Show authors, comments, and common names
Mammalia
 Theriamorpha - Leptictidae
Prodiacodon tauricinerei4
Prodiacodon tauricinerei4 Jepsen 1930 eutherian
 Macroscelidea - Amphilemuridae
"Scenopagus nitens" = Macrocranion nitens5
"Scenopagus nitens" = Macrocranion nitens5 Matthew 1918 elephant shrew
see also Krishtalka 1976a
 Perissodactyla - Equidae
Equidae indet.1
Equidae indet.1 Gray 1821 horse
 Artiodactyla - Diacodexeidae
Simpsonodus chacensis3
Simpsonodus chacensis3 Cope 1875 even-toed ungulate
neotype
 Theriamorpha - Nyctitheriidae
Leptacodon catulus n. sp.2, "Scenopagus curtidens" = Nyctitherium curtidens
Leptacodon catulus n. sp.2 Krishtalka 1976 placental
AMNH 48173
"Scenopagus curtidens" = Nyctitherium curtidens Matthew 1909 placental
Reptilia
 Squamata - Xantusiidae
Palaeoxantusia fera7
Palaeoxantusia fera7 Hecht 1956 night lizard
 Squamata -
Lacertilia indet.7
 Squamata - Iguanidae
cf. Swainiguanoides milleri7
cf. Swainiguanoides milleri7 Sullivan 1982 squamates
 Squamata - Necrosauridae
cf. Provaranosaurus sp.7
cf. Provaranosaurus sp.7 Gilmore 1942 squamates
 Squamata - Anguidae
Anguidae indet.7, Glyptosaurinae indet.7, Paraglyptosaurus cf. yatkolai7, Paraglyptosaurus yatkolai n. sp.6
Anguidae indet.7 Gray 1825 squamates
Glyptosaurinae indet.7 Marsh 1872 squamates
Paraglyptosaurus cf. yatkolai7 Sullivan 1979 squamates
AMNH 2600 and 7296 expressly referred as cf.
Paraglyptosaurus yatkolai n. sp.6 Sullivan 1979 squamates
AMNH 5181, anterior half of coalesced frontals
 Squamata -
cf. Saniwa sp.7
cf. Saniwa sp.7 Leidy 1870 squamates
1Alroy 2002; 2Krishtalka 1976; 3Krishtalka and Stucky 1986; 4Novacek 1977; 5Robinson 1968; 6Sullivan 1979; 7Sullivan and Lucas 1988