Baltic Amber (Fleissner collection) (Eocene of Russian Federation)

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

• local area-level geographic resolution

When: Priabonian (38.0 - 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, microfossils

Preservation: amber

Collection methods: surface (float)

• Repository: collection of H. Fleissner in Bad Nauheim

Primary reference: J. Wunderlich. 2008. On extant and fossil (Eocene) European comb-footed spiders (Araneae: Theridiidae), with notes on their subfamilies, and with descriptions of new taxa. Beiträge zur Araneologie 5:140-469 [M. Clapham/M. Clapham]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 127625: authorized by Matthew Clapham, entered by Amy Delelli on 19.05.2012, edited by Matthew Clapham

Creative Commons license: CC BY (attribution)

Taxonomic list

Arachnida
 Araneae - Salticidae
Calilinus fleissneri n. gen. n. sp.3 Wunderlich 2004 spider
BB 987 ARA
Almolinus ligula3 Wunderlich 2004 spider
BB 1089 ARA
 Araneae - Thomisidae
Syphax megacephalus2 Koch and Berendt 1854 crab spider
No. 1132
 Araneae - Theridiidae
Eomysmena crassa Petrunkevitch 1958 cobweb spider
BB561
 Araneae - Oonopidae
Orchestina sp.1 Smith 1882 goblin spider