Gring (Jurassic of Tajikistan)

Also known as PGAP 420

Where: Tajikistan (38.2° N, 70.4° E: paleocoordinates 38.7° N, 76.3° E)

• coordinate estimated from map

When: Middle Gring Suite Formation, Aalenian (174.1 - 170.3 Ma)

Environment/lithology:

Size class: macrofossils

Primary reference: V. S. Luchnikov. 1973. Stratigraphy of the Jurassic deposits of the Darvaz Ridge. Sovetskaya Geologiya (6)38-49 [A. Rees/A. Rees]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 30916: authorized by Allister Rees, entered by Allister Rees on 02.04.2003

Creative Commons license: CC BY (attribution)

Taxonomic list

• List from p. 40, 43. Genus-level assignments and numbers of species are from the PGAP database. Species names are in the process of being entered.
unclassified
  -
Equisetopsida
 Pinidae - Pinidae
Gnetopsida
  -
Pityophyllum "sp. 1" Nathorst 1899
Pityophyllum "sp. 2" Nathorst 1899
Pityophyllum "sp. 3" Nathorst 1899
Cladophlebidium
  -
Lobifolia
  -
Lobifolia "sp. 1" Lebedev and Rasskazova 1968
Eboracia
  -
Eboracia "sp. 1" Thomas 1911
Polypodiopsida
  - Gleicheniaceae
Gleichenites "sp. 1" Göppert 1836
 Marattiales - Marattiidae
Marattiopsis "sp. 1" Schimper 1874
  -
Cladophlebis "sp. 1" Brongniart 1849
Cladophlebis "sp. 2" Brongniart 1849
Cladophlebis "sp. 3" Brongniart 1849
Cladophlebis "sp. 4" Brongniart 1849
Cladophlebis "sp. 5" Brongniart 1849
Cladophlebis "sp. 6" Brongniart 1849
Cladophlebis "sp. 7" Brongniart 1849
Cladophlebis "sp. 8" Brongniart 1849
Cladophlebis "sp. 9" Brongniart 1849
 Cyatheales - Polypodiidae
Coniopteris "sp. 1" Brongniart 1849 scaly tree fern
Coniopteris "sp. 2" Brongniart 1849 scaly tree fern
Coniopteris "sp. 3" Brongniart 1849 scaly tree fern
Coniopteris "sp. 4" Brongniart 1849 scaly tree fern
Coniopteris "sp. 5" Brongniart 1849 scaly tree fern
 Equisetales - Equisetidae
Equisetum "sp. 1" Linnaeus 1753 horsetail
Equisetum "sp. 2" Linnaeus 1753 horsetail
  - Polypodiaceae
Clathropteris "sp. 1" Brongniart 1828
  - Osmundaceae
Todites "sp. 1" Seward 1900
Todites "sp. 2" Seward 1900
Cycadopsida
 Cycadales -
Taeniopteris "sp. 1", Taeniopteris "sp. 2", "Nilssonia "sp. 1"" = Nilsonia, "Nilssonia "sp. 2"" = Nilsonia, "Nilssonia "sp. 3"" = Nilsonia, "Nilssonia "sp. 4"" = Nilsonia
Taeniopteris "sp. 1" Brongniart 1828 cycads
Taeniopteris "sp. 2" Brongniart 1828 cycads
"Nilssonia "sp. 1"" = Nilsonia Brongniart 1825 cycads
"Nilssonia "sp. 2"" = Nilsonia Brongniart 1825 cycads
"Nilssonia "sp. 3"" = Nilsonia Brongniart 1825 cycads
"Nilssonia "sp. 4"" = Nilsonia Brongniart 1825 cycads
Ginkgoopsida
 Caytoniales - Caytoniaceae
 Ginkgoales - Ginkgoaceae
Ginkgo "sp. 1" Linnaeus 1771 ginkgo
Ginkgo "sp. 2" Linnaeus 1771 ginkgo
 Ginkgoales -
 Coniferales - Podocarpaceae
Elatocladus "sp. 1" Halle 1913 podocarp
Podozamites "sp. 1" Braun 1843 podocarp
Podozamites "sp. 2" Braun 1843 podocarp
 Bennettitales -
Pterophyllum "sp. 1" Brongniart 1828
Williamsonia "sp. 1" Carruthers 1870
Ptilophyllum "sp. 1" Morris 1840
Ptilophyllum "sp. 2" Morris 1840
Anomozamites "sp. 1" Schimper 1870
Anomozamites "sp. 2" Schimper 1870
Pinopsida
 Pinales - Taxaceae
Elatides "sp. 1" Heer 1876 yew