PBDB Collection

Compass Forest, White cliff, Sample 4 (Oligocene of Russian Federation)

Where: Tomsk, Russian Federation (59.1° N, 81.0° E: paleocoordinates 60.1° N, 78.6° E)

• coordinate estimated from map

• small collection-level geographic resolution

When: Chattian (28.1 - 23.0 Ma)

Environment/lithology: fluvial-lacustrine; unlithified claystone

Size class: mesofossils

Preservation: original carbon

Collection methods: bulk, sieve,

Primary reference: P. I. Dorofeev. 1963. Tretichnye Flory Zapadnoi Sibiri. Akad. Nauk, Moscow/Leningrad 1-343 [B. Tiffney/B. Tiffney/M. Uhen]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 23782: authorized by Bruce Tiffney, entered by Sara Pendleton on 20.07.2002

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names

unclassified
-	Caldesia proventitia, Dulichium marginatum, Viola rimosa, Viola sp., Teucrium sibiricum, Perilla tertiaria Caldesia proventitia Dulichium marginatum Viola rimosa Viola sp. Teucrium sibiricum Perilla tertiaria

Coniferales - Cupressaceae	Glyptostrobus sp., Taxodium dubium Glyptostrobus sp. Endlicher 1847 Chinese swamp cypress Taxodium dubium Sternberg 1824 cypress
Dicotyledoneae
Myrtales - Lythraceae	Decodon gibbosus, Decodon sibiricus Decodon gibbosus Decodon sibiricus
Angiospermae
-	Carpolithus bilobatus, Carpolithus semiglobosus, Carpolithus phytocrenoides, Carpolithus menispermoides Carpolithus bilobatus Carpolithus semiglobosus Carpolithus phytocrenoides Carpolithus menispermoides
Vitales - Vitaceae	Ampelopsis rotundatoides, Ampelopsis cf. aegirophylla Ampelopsis rotundatoides Ampelopsis cf. aegirophylla
Rosales - Rhamnaceae	Paliurus sibirica Paliurus sibirica buckthorn
Rosales - Rosaceae	Spiraea sp. Spiraea sp. Linnaeus 1753 meadowsweet
Malpighiales - Hypericaceae	Hypericum septestum, Hypericum coriaceum Hypericum septestum St John's wort Hypericum coriaceum St John's wort
Fagales - Betulaceae	Alnus decipiens, Alnus tertiaria, Alnus cf. matsumurae, Alnus "sp.1" Alnus decipiens alder Alnus tertiaria alder Alnus cf. matsumurae alder Alnus "sp.1" Miller 1754 alder
Fagales - Juglandaceae	Pterocarya crassa Pterocarya crassa wingnut
Alismatales - Potamogetonaceae	Potamogeton "sp.1" Potamogeton "sp.1" Linnaeus 1753 pondweed
Typhales - Commelinidae	Sparganium multiloculare, Sparganium pusillum Sparganium multiloculare bur-reed Sparganium pusillum bur-reed
Cornales - Cornaceae	Cornus gorbunovii Cornus gorbunovii dogwood
Asterales - Menyanthaceae	Menyanthes parvula Menyanthes parvula bogbean
Dipsacales - Adoxaceae	Sambucus lucida Sambucus lucida elder
Dipsacales - Caprifoliaceae	Weigela kryshtofovichiana Weigela kryshtofovichiana honeysuckle
Apiales - Araliaceae	Aralia longisperma Aralia longisperma spikenard
Caryophyllales - Droseraceae	Aldrovanda intermedia Aldrovanda intermedia Reid and Chandler 1926
Caryophyllales - Polygonaceae	Polygonum reticulatum Polygonum reticulatum knotweed
Ranunculales - Ranunculaceae	Ranunculus sceleratoides Ranunculus sceleratoides buttercup
Poales - Typhaceae	Typha latissima Typha latissima bulrush
Poales - Cyperaceae	Scirpus khacklovii, Scirpus "sp.5", Carex sp. Scirpus khacklovii sedge Scirpus "sp.5" Linnaeus 1753 sedge Carex sp. Linnaeus 1753 sedge section vignea
Zingiberales - Zingiberaceae	Spirematospermum wetzleri Spirematospermum wetzleri Heer 1925
Mesangiosperms - Araceae	Epipremnum ornatum, Epipremnum cristatum, Pistia sibirica, Aracispermum canaliculatum Epipremnum ornatum Epipremnum cristatum Pistia sibirica water cabbage Aracispermum canaliculatum
Polypodiopsida
Salviniales - Polypodiidae	Salvinia aspera, Azolla tuganensis, Azolla cf. nikitinii, Azolla ventricosa Salvinia aspera watermoss Azolla tuganensis Azolla cf. nikitinii Azolla ventricosa Dorofeev 1955
Leitneria
-	Leitneria venosa Leitneria venosa corkwood
Proserpinaca
-	Proserpinaca pterocarpa Proserpinaca pterocarpa mermaidweed
Diclidocarya
-	Diclidocarya sibirica, Diclidocarya elongata Diclidocarya sibirica Diclidocarya elongata