Fort Wingate (Triassic of the United States)

Also known as Zuni Mountains Chinle Formation Monitor Butte Member Petrified Forest Member Sonsela Sandstone

Where: New Mexico (35.2° N, 108.2° W)

• Paleocoordinates: 10.4° N, 36.3° W (Wright 2013)

• coordinate estimated from map

• local area-level geographic resolution

When: Monitor Butte/Petrified Forest Member (Chinle Formation), Norian (228.0 - 208.5 Ma)

• This flora is stratigraphically below the large flora described from Petrified Forest National Park in Arizona.

• formation-level stratigraphic resolution

Environment/lithology: fluvial; lithified mudstone and lithified, conglomeratic sandstone

• Chinle is 1200ft think in Zuni Mts. Monitor Butte and Petrified Forest members are middle two members. Lower Petrified Forest (Sonsela Sandstone Bed) and upper Monitor Butte (Ciniza Lake Beds) are the most fossiliferous. Strata formed from northwest flowing streams from Mogollon highlands.

Size classes: macrofossils, microfossils

Preservation: mold/impression, adpression, replaced with siderite

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

Primary reference: S. Ash. 1989. The Upper Triassic Chinle Flora of the Zuni Mountains, New Mexico. New Mexico Geological Society Guidebook, 40th Field Conference, Southeastern Colorado Plateau 225-230 [A. Rees/D. Sunderlin/D. Sunderlin]more details

Purpose of describing collection: paleoecologic analysis

PaleoDB collection 23968: authorized by Allister Rees, entered by Dave Sunderlin on 24.07.2002

Creative Commons license: CC0 (CC0)

Taxonomic list

unclassified
  -
Enzonalasporites vigens
  -
Alisporites
  -
Dinophyton spinosus
  -
Lycopodiopsida
 Lycopodiales - Lycopodiaceae
 Cordaitales -
Cycadopites
  -
Ginkgoopsida
 Ginkgoales - Ginkgoaceae
Baiera sp. Braun 1843
 Ephedrales -
 Caytoniales -
 Bennettitales -
 Bennettitales - Williamsoniaceae
Lyssoxylon grigsbyi Daugherty 1941
 Bennettitales -
 Coniferales - Podocarpaceae
Platysaccus sp. Naumova 1954 podocarp
 Coniferales -
Pinopsida
 Pinales - Pinaceae
Equisetopsida
 Pinidae - Pinidae
Polypodiopsida
 Equisetales - Equisetidae
  - Osmundaceae
Todites fragilis
Daugherty emend. Ash
  - Polypodiaceae
  -
 Gleicheniales - Polypodiidae
Cynepteris lasiophora
  -
Cynepteris lasiophora Ash 1969
Ash
Marcouia
  -
Wingatea plumosa
  -
Wingatea plumosa Daugherty 1969
(Daugherty) Ash
Klausipollenites
  -
Klausipollenites sp. Jansonius 1962