Little Mountain Loc. PA116 (Eocene of the United States)

Where: Colorado (39.0° N, 110.0° W: paleocoordinates 42.3° N, 98.2° W)

• coordinate based on nearby landmark

• small collection-level geographic resolution

When: Green River Formation, Eocene (56.0 - 33.9 Ma)

• bed-level stratigraphic resolution

Environment/lithology:

Size class: macrofossils

Preservation: mold/impression, original carbon

Collection methods: surface (in situ),

Primary reference: H. D. MacGinitie. 1969. The Eocene Green River Flora of northwestern Colorado and northeastern Utah. University of California Publications in Geological Sciences 83:1-140 [S. Wing/S. Wing/M. Kosnik]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 24419: authorized by Scott Wing, entered by Heather Lindon on 07.08.2002

Creative Commons license: CC BY (attribution)

Taxonomic list

unclassified
  -
Allophylus flexifolia
(Lesquereux) comb. nov.
Polypodiopsida
 Schizaeales - Polypodiidae
"Lygodium kaulfussii" = Lygodium kaulfussi
"Lygodium kaulfussii" = Lygodium kaulfussi Heer climbing fern
Heer
 Equisetales - Equisetidae
Equisetum winchesteri horsetail
Brown
Angiospermae
 Sapindales - Anacardiaceae
Rhus nigricans sumac
(Lesquereux) Knowlton
 Sapindales - Sapindaceae
Cardiospermum coloradensis soapberry
(Knowlton) comb. nov.
 Sapindales - Simaroubaceae
Ailanthus lesquereuxi Cockerell 1927
Cockerell
 Malvales - Tiliaceae
Triumfetta ovata n. sp. burbark
MacGinitie
 Malpighiales - Salicaceae
Populus cinnamomoides poplar
(Lesquereux) comb. nov.
Populus wilmattae poplar
Cockerell
Salix longiacuminata willow
Knowlton
 Fagales - Juglandaceae
Pterocarya roanensis n. sp., "Engelhardtia uintaensis n. sp." = Engelhardia
Pterocarya roanensis n. sp. wingnut
MacGinitie
"Engelhardtia uintaensis n. sp." = Engelhardia
MacGinitie
 Rosales - Mimosaceae
 Rosales - Papilionaceae
Leguminosites lesquereuxiana Knowlton 1898
Knowlton
 Rosales - Ulmaceae
Zelkova nervosa zelkova
(Newberry) Brown
Dicotyledoneae
 Myrtales - Myrtaceae
Eugenia americana myrtle
(Lesquereux) comb. nov.
Angiospermae
 Apiales - Araliaceae
Oreopanax elongatum n. sp.
MacGinitie
 Laurales - Lauraceae
Lindera varifolia n. sp. laurel
MacGinitie