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Baltic amber (Field Museum FMNH coll) (Eocene of Russian Federation)

Where: Kaliningrad, Russian Federation (54.9° N, 19.9° E: paleocoordinates 53.9° N, 15.2° E)

• coordinate based on nearby landmark

When: Priabonian (37.2 - 33.9 Ma)

• According to Aleksandrova and Zaporozhets (2008), the higher parts of the Prussian Formation (including the Blaue Erde or Blue Earth) belong to the Charlesdowniea clathrata angulosa dinocyst Zone. Based on its index species, this zone is concurrent to Zone W13 established in the Parisian basin (Châteauneuf and Gruas-Cavagnetto 1978), where it is correlated with nannoplankton zones NP18–NP21 (Powell, 1992) of the Priabonian. In the Paleogene zonation of northwestern Europe, the first occurrence of Thalassiphora fenestrata is designated at the base of the dinocyst Subzone D12b (36.20 +/- 0.1 Ma), which is correlated with zones NP18 (terminal part)–NP20 of the Priabonian (Luterbacher et al., 2004).

Environment/lithology: terrestrial; amber

Size classes: macrofossils, mesofossils

Preservation: amber

Reposited in the FMNH

• Specimens at Field Museum of Natural History, Chicago

Primary reference: H. S. Dybas. 1961. A new fossil feather-wing beetle from Baltic amber (Coleoptera: Ptiliidae). Fieldiana Zoology 44(1):1-9 [C. Labandeira/A. Spencer-Lee/M. Clapham] more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 124579: authorized by Matthew Clapham, entered by Amy Delelli on 19.02.2012, edited by Matthew Clapham

Creative Commons license: CC BY (attribution)