Huizachal Flora (Triassic to of Mexico)

Where: Tamaulipas, Mexico (23.0° N, 98.5° W: paleocoordinates 23.0° N, 98.5° W)

• coordinate estimated from map

• local area-level geographic resolution

When: Huizachal Formation, Late/Upper Triassic to Late/Upper Triassic (237.0 - 174.7 Ma)

• formation-level stratigraphic resolution

Environment/lithology: terrestrial; gray, green sandstone and gray, green siltstone

Size class: macrofossils

Collection methods: mechanical,

Primary reference: A. Silva-Pineda. 1979. La Flora Triasica de Mexico. Univ. Nal. Auton. Mexico, Inst. Geologia, Revista 3(2):138-145 [A. Rees/D. Sunderlin/D. Sunderlin]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 24517: authorized by Allister Rees, entered by Dave Sunderlin on 08.08.2002

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
Peltaspermopsida
 Peltaspermales - Umkomasiaceae
Stenopteris cf. desmomera
Equisetopsida
 Pinidae - Pinidae
Araucarioxylon sp.
Araucarioxylon sp. Kraus 1870
fragments
 Coniferales - Podocarpaceae
Podozamites sp.
Podozamites sp. Braun 1843 podocarp
fragments
 Bennettitales -
Otozamites hespera, Pterophyllum inaequale, Pterophyllum longifolium, Pterophyllum fragile
Pterophyllum inaequale Fontaine 1883
Pterophyllum longifolium Brongniart 1828
Pterophyllum fragile Newberry 1876
Pinopsida
 Pinales - Taxaceae
Cephalotaxopsis carolinensis
Polypodiopsida
 Gleicheniales - Polypodiidae
Thaumatopteris cf. kochibei
 Marattiales - Marattiidae
Mertensides bullatus
Mertensides bullatus Bunbury 1847
  - Osmundaceae
Todites carrilloi
 Equisetales - Equisetidae
Equisetites sp.
Equisetites sp. Sternberg 1833
fragments