Rott (Dr Frech coll) (Oligocene of Germany)

Where: Nordrhein-Westfalen, Germany (50.7° N, 7.3° E: paleocoordinates 50.6° N, 4.3° E)

• coordinate based on nearby landmark

When: Rott Formation, MP 30 (28.4 - 23.0 Ma)

Environment/lithology: lacustrine - large; lithified, fine-grained, brown lignite

• According to the reconstruction of the sedimentation history. the limnic sediments of the Rott Fonnation were deposited in a single, relatively small and shallow lake (Mors, 1995). This lake was at least 3 km in diameter, and was encircled by a large accretion zone, which passed into an alluvial forest. Many small rivulets are expected to have flown into the Rott Lake, but no large river could be evidenced (MOn, 1995). The estimated mean aunual temperature (MAT) in this area at the accumulation time of lake sediments was17.5±1.2°C, based on the leaf margin analysis (Winterscheid, 2006).
• "fine layered brown coal" also called "lignites": figure of specimen indicates complete lithification

Size classes: macrofossils, mesofossils

Preservation: adpression

Primary reference: D. H. R. von Schlechtendal. 1887. Physopoden aus dem Braunkohlengebirge von Rott am Siebengebirge. Zeitschrift für Naturwissenschaften 60:551-592 [M. Clapham/J. Karr/M. Clapham]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 142554: authorized by Matthew Clapham, entered by Jered Karr on 13.04.2013, edited by Matthew Clapham

Creative Commons license: CC BY (attribution)

Taxonomic list

Insecta
 Hemiptera - Notonectidae
"Notonecta deichmuelleri" = Anisops deichmuelleri2, "Notonecta jubata" = Anisops deichmuelleri2, "Notonecta comata" = Anisops deichmuelleri2
"Notonecta deichmuelleri" = Anisops deichmuelleri2 von Schlechtendal 1894 true bug
"Notonecta jubata" = Anisops deichmuelleri2 von Schlechtendal 1894 true bug
"Notonecta comata" = Anisops deichmuelleri2 von Schlechtendal 1894 true bug
 Thysanoptera - Heterothripidae
Hemithrips thoracicus n. sp.1, "Heliothrips clypeata n. sp." = Hemithrips clypeatus, "Heliothrips frechi n. sp." = Hemithrips frechi, Hemithrips schlechtendali n. sp.1
Hemithrips thoracicus n. sp.1 Bagnall 1924 thrips
Schlechtendal Pl III fig 12
"Heliothrips clypeata n. sp." = Hemithrips clypeatus von Schlechtendal 1887 thrips
Schlechtendal Pl V fig 24
"Heliothrips frechi n. sp." = Hemithrips frechi von Schlechtendal 1887 thrips
Schlechtendal Pl IV fig 25
Hemithrips schlechtendali n. sp.1 Bagnall 1924 thrips
 Coleoptera - Latridiidae
Corticaria reitteri n. sp.2 von Schlechtendal 1894 minute brown scavenger beetle
 Coleoptera - Chrysomelidae
Cryptocephalus relictus n. sp.2 von Schlechtendal 1894 leaf beetle
 Coleoptera - Curculionidae
Magdalis moesta n. sp.2 von Schlechtendal 1894 snout beetle