Yelisseev-26 (Cretaceous to of Russian Federation)

Also known as Yelisseev locality, Grebenka flora

Where: Russian Federation (64.5° N, 168.9° E: paleocoordinates 78.6° N, 166.0° W)

• coordinate estimated from map

• outcrop-level geographic resolution

When: Krivorechenskaya Formation, Albian to Albian (113.0 - 93.9 Ma)

• uppermost Albian to Lower Cenomanian

• group of beds-level stratigraphic resolution

Environment/lithology: pond; siltstone

• Sedimentary context:horizontally laminated,

•lightly rooted siltstone interpreted as an immature

•palaeosol developed on a microdelta pond-fill de-

•posit.This bed is immediately overlain by a

•coarse-grained crevasse channel sandstone.

Size class: macrofossils

Primary reference: R. A. Spicer, A. Ahlberg, A. B. Herman, S. P. Kelley, M. I. Raikevich and P. M. Rees. 2002. Palaeoenvironment and ecology of the middle Cretaceous Grebenka flora of northeastern Asia. Palaeogeography, Palaeoclimatology, Palaeoecology 184:65-105 [D. Royer/D. Royer/D. Royer]more details

Purpose of describing collection: paleoecologic analysis

PaleoDB collection 34802: authorized by Dana Royer, entered by Dana Royer on 26.09.2003

Creative Commons license: CC BY (attribution)

Taxonomic list

unclassified
  -
Thallites sp.
occurs in siltstone
Birisia jelisejevii
occurs in siltstone; dominant
? Florinia sp.
occurs in siltstone
Magnoliaephyllum alternans
occurs in siltstone
Scheffleraephyllum venustum
occurs in siltstone
Dalembia vachrameevii
occurs in siltstone
Dalbergites sp.
occurs in siltstone
Cycadopsida
 Cycadales -
"Nilssonia sp." = Nilsonia
"Nilssonia sp." = Nilsonia Brongniart 1825 cycads
occurs in siltstone
Pteridopsida
 Cyatheales - Dicksoniaceae
? Coniopteris grebencaensis
occurs in siltstone; dominant
 Polypodiales - Aspleniaceae
Asplenium dicksonianum
occurs in siltstone
Magnoliopsida
 Proteales - Platanaceae
Platanus louravetlanica plane tree
occurs in siltstone
Sphenopteridae
  - Sphenopteridae
Sphenopteris sp. 1 Sternberg 1825
occurs in siltstone