Where: Buryatia, Russian Federation (53.3° N, 112.1° E: paleocoordinates 56.0° N, 108.5° E)
• coordinate based on nearby landmark
• outcrop-level geographic resolution
When: Zaza Formation, Aptian (125.0 - 113.0 Ma)
• C. longipoda, E. trisetalis and Lycoptera all occur in the Zaza Formation indicating that this formation could be correlated with the upper Yixian Formation and the lower Jiufotang Formation in western Liaoning, which have a duration of 122.5-120 Ma. So it is possible to assign the Zaza Formation to an Aptian age. Also correlated with Barremian-Aptian based on plants and pollen.
• group of beds-level stratigraphic resolution
Environment/lithology: lacustrine - large; lithified siltstone and lithified marl
Size class: macrofossils
Preservation: mold/impression
Primary reference: A. G. Sharov. 1968. Filogeniya ortopteroidnykh nasekomykh. Trudy Paleontologicheskogo Instituta Akademii Nauk SSSR 118:1-216 [C. Beard/C. Beard/J. Karr]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 113403: authorized by Matthew Clapham, entered by Jered Karr on 30.07.2011, edited by Lindy Edwards and Matthew Clapham
Creative Commons license: CC BY (attribution)
Taxonomic list
Insecta | |
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Angaronecta longirostris n. gen. n. sp.9
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Bajsaphis pulchra n. sp.2
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"Baisselcana sibirica n. gen. n. sp." = Panorpidium sibirica
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Vitimia evoluta n. gen. n. sp.
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Archaeotetrix locustopseiformis n. gen. n. sp., Prototetrix reductus n. gen. n. sp.
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Ichneumonomima paradoxa n. gen. n. sp.12
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Oryctopterus dubius n. gen. n. sp.12
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Baissodes robustus n. gen. n. sp.12
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Mesonymphes apicalis n. sp.8
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Conjunctia prodroma n. gen. n. sp.1, Antemnacrassa nebulosa n. sp.6, "Geotrupoides sulcatus n. sp." = Antemnacrassa sulcata1, "Geotrupoides vitimensis n. sp." = Antemnacrassa vitimensis1
"Geotrupoides sulcatus n. sp." = Antemnacrassa sulcata1 Nikritin 1977 ground beetle PIN 1688/1785 (not 1801 = Avitortor leptoscelis)
"Geotrupoides vitimensis n. sp." = Antemnacrassa vitimensis1 Nikritin 1977 ground beetle PIN 1668/1805
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Baissogyrus savilovi n. gen. n. sp.7
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Avitortor leptoscelis5 Nikritin 1977 hide beetle PIN 1668/1801 (paratype of Geotrupoides sulcatus Nikritin)
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"Proteroscarabaeus baissensis n. sp." = Lithoscarabaeus baissensis1
"Proteroscarabaeus baissensis n. sp." = Lithoscarabaeus baissensis1 Nikritin 1977 scarab beetle PIN 1668/1761, 1830
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Cretonanophyes longirostris n. gen. n. sp.1
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Aneuretopsyche vitimensis n. sp.13
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