Monitor Butte Collection (Triassic of the United States)

Where: Utah (38.0° N, 110.5° W: paleocoordinates 7.6° N, 41.5° W)

• coordinate estimated from map

• local area-level geographic resolution

When: Monitor Butte Member (Chinle Formation), Carnian (237.0 - 228.0 Ma)

• Overlies the Shinarump layer

• member-level stratigraphic resolution

Environment/lithology:

Size class: macrofossils

Preservation: mold/impression, adpression, permineralized

Collection methods: quarrying, surface (in situ), mechanical,

Primary reference: S. R. Ash. 1975. The Chinle (Upper Triassic) flora of southeastern Utah. Four Corners Geological Society Guidebook, 8th Field Conference, Canyonlands 143-147 [A. Rees/D. Sunderlin/D. Sunderlin]more details

Purpose of describing collection: paleoecologic analysis

PaleoDB collection 24159: authorized by Allister Rees, entered by Dave Sunderlin on 01.08.2002

Creative Commons license: CC BY (attribution)

Taxonomic list

Dinophyton spinosus
  -
Polypodiopsida
  -
Cladophlebis spp. Brongniart 1849
 Equisetales - Equisetidae
Equisetites sp. Sternberg 1833
 Coniferales - Podocarpaceae
Podozamites sp. Braun 1843 podocarp
 Bennettitales -
Zamites powelli Fontaine 1890