Akarmara (Jurassic of Russian Federation)

Also known as PGAP 402

Where: Russian Federation (42.9° N, 41.8° E: paleocoordinates 3.7° N, 48.5° E)

• coordinate estimated from map

When: Coal Suite Formation, Bathonian (168.3 - 166.1 Ma)

Environment/lithology:

Size class: macrofossils

Primary reference: G.V. Delle. 1967. Middle Jurassic flora of Tkvarcheli coal basin (TransCaucasus). In A. L. Takhtadzhyan (ed.), Academy of Sciences of the USSR. Botanical Institute. Trudy. Series 8. Paleobotanika. Problems in studies of fossil flora of coal deposits of the USSR 6:52-132 [A. Rees/A. Rees/S. Bruning]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 30773: authorized by Allister Rees, entered by Allister Rees on 02.04.2003

Creative Commons license: CC BY (attribution)

Taxonomic list

• List from p. 63, 64. Genus-level assignments and numbers of species are from the PGAP database. Species names are in the process of being entered.
Show authors, comments, and common names
Gnetopsida
  -
Pityophyllum "sp. 1"
Pityophyllum "sp. 1" Nathorst 1899
Peltaspermopsida
 Peltaspermales - Umkomasiaceae
Pachypteris "sp. 1", Pachypteris "sp. 2"
Pachypteris "sp. 1" Brongniart 1828
Pachypteris "sp. 2" Brongniart 1828
Equisetopsida
 Pinidae - Pinidae
Araucarioxylon "sp. 1", Pagiophyllum "sp. 1"
Schizeaceae
  - Schizeaceae
Klukia "sp. 1"
Klukia "sp. 1" Raciborski 1890
Cycadopsida
 Cycadales -
Taeniopteris "sp. 1", "Nilssonia "sp. 1"" = Nilsonia, "Nilssonia "sp. 2"" = Nilsonia, "Nilssonia "sp. 3"" = Nilsonia, "Nilssonia "sp. 4"" = Nilsonia, "Nilssonia "sp. 5"" = Nilsonia
Taeniopteris "sp. 1" 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
"Nilssonia "sp. 5"" = Nilsonia Brongniart 1825 cycads
 Cycadales - Nilssoniaceae
Pseudoctenis "sp. 1"
Pseudoctenis "sp. 1" Seward 1911 cycads
Ginkgoopsida
 Caytoniales - Caytoniaceae
Sagenopteris "sp. 1"
 Ginkgoales - Ginkgoaceae
Baiera "sp. 1", Ginkgo "sp. 1", Ginkgo "sp. 2"
Baiera "sp. 1" Braun 1843
Ginkgo "sp. 1" Linnaeus 1771 ginkgo
Ginkgo "sp. 2" Linnaeus 1771 ginkgo
 Ginkgoales -
Sphenobaiera "sp. 1"
 Czekanowskiales -
Czekanowskia "sp. 1"
Gonatosorus
  -
Gonatosorus "sp. 1"
Gonatosorus "sp. 1" Raciborski 1894
Angiospermae
  -
Carpolithus "sp. 1", Carpolithus "sp. 2", Carpolithus "sp. 3", Carpolithus "sp. 4"
Carpolithus "sp. 1" Linnaeus 1768
Carpolithus "sp. 2" Linnaeus 1768
Carpolithus "sp. 3" Linnaeus 1768
Carpolithus "sp. 4" Linnaeus 1768
 Bennettitales -
Ptilophyllum "sp. 1", Ptilophyllum "sp. 2", Otozamites "sp. 1", Williamsonia "sp. 1", Anomozamites "sp. 1", Cycadolepis "sp. 1", Pseudocycas "sp. 1"
Ptilophyllum "sp. 2" Morris 1840
Otozamites "sp. 1" Braun 1843
Williamsonia "sp. 1" Carruthers 1870
Anomozamites "sp. 1" Schimper 1870
Cycadolepis "sp. 1" Saporta 1875
Pseudocycas "sp. 1" Nathorst 1907
 Coniferales - Podocarpaceae
Podozamites "sp. 1"
Podozamites "sp. 1" Braun 1843 podocarp
Pinopsida
 Pinales -
Xenoxylon "sp. 1"
Xenoxylon "sp. 1" Gothan 1905
Polypodiopsida
  -
Cladophlebis "sp. 1"
Cladophlebis "sp. 1" Brongniart 1849
  - Osmundaceae
Osmundopsis "sp. 1", Todites "sp. 1", Todites "sp. 2"
Osmundopsis "sp. 1" Harris 1931
Todites "sp. 1" Seward 1900
Todites "sp. 2" Seward 1900
  - Polypodiaceae
Clathropteris "sp. 1"
Clathropteris "sp. 1" Brongniart 1828
 Marattiales - Marattiidae
Marattia "sp. 1"
Marattia "sp. 1" Swartz 1788
 Polypodiales - Polypodiidae
Ctenis "sp. 1"
Ctenis "sp. 1" Lindley and Hutton 1834
 Cyatheales - Polypodiidae
Coniopteris "sp. 1", Coniopteris "sp. 2"
Coniopteris "sp. 1" Brongniart 1849 scaly tree fern
Coniopteris "sp. 2" Brongniart 1849 scaly tree fern
 Gleicheniales - Polypodiidae
Dictyophyllum "sp. 1"
Dictyophyllum "sp. 1" Lindley and Hutton 1834
 Equisetales - Equisetidae
Equisetites "sp. 1", Equisetites "sp. 2", Equisetites "sp. 3", Neocalamites "sp. 1"
Equisetites "sp. 1" Sternberg 1833
Equisetites "sp. 2" Sternberg 1833
Equisetites "sp. 3" Sternberg 1833
Cycadites
  -
Cycadites "sp. 1"
Cycadites "sp. 1" Schenk 1864