Where: Siberia, Russian Federation (73.8° N, 101.4° E: paleocoordinates 73.8° N, 64.1° E)
• coordinate stated in text
• outcrop-level geographic resolution
When: Late/Upper Albian to Late/Upper Albian (105.3 - 93.5 Ma)
• The amber-bearing deposits of Baikura are layered loose sands, similar to those of the Kheta and Dolgan formations (Zherikhin and Eskov, 1999; Rasnitsyn and Quicke, 2002) dated back to the Santonian, but the only geological report (Saks et al., 1959) refers the locality to the Ognevka Formation (Albian). Upper Albian-?lower Cenomanian in Gumovsky et al., 2017.
Environment/lithology: terrestrial; amber
Size class: mesofossils
Preservation: soft parts, original chitin, amber
Primary reference: K. Y. Eskov and J. Wunderlich. 1995. On the spiders from Taimyr ambers, Siberia, with the description of a new family and with general notes on the spiders from the Cretaceous resins (Arachnida: Araneae). Beiträge zur Araneologie 4:95-107 [D. Smith/A. Kinchloe/M. Clapham]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 35046: authorized by Dena Smith, entered by April Kinchloe on 27.10.2003, edited by Jered Karr
Creative Commons license: CC BY (attribution)
Taxonomic list
Arachnida | |
Araneomorphae indet. Smith 1902 spider | |
Araneidae indet. Simon 1895 orb-weaving spider | |
? Thomisidae indet. Sundevall 1833 crab spider | |
Insecta | |
Protocharips evenhuisi n. gen. n. sp.
|