Narymskaja, boreholes 28-k and 18-k, Gankin Formation, W Siberia (Cretaceous of Russian Federation)

Where: Russian Federation (58.9° N, 81.6° E)

• Paleocoordinates: 48.1° N, 72.9° E (Wright 2013)

• coordinate estimated from map

• small collection-level geographic resolution

When: Gankin Formation, Maastrichtian (72.1 - 66.0 Ma)

• group of beds-level stratigraphic resolution

Environment/lithology: coastal; lithified, calcareous siltstone and lithified, calcareous claystone

• low-energy, shallow-water environment with a low sedimentation rate
• greenish-grey calcareous silts and clays

Size class: macrofossils

Primary reference: A. Kaim, A. L. Beisel, and N. I. Kurushin. 2004. Mesozoic gastropods from Siberia and Timan (Russia). Part 1: Vetigastropoda and Caenogastropoda (exclusive of Neogastropoda). Polish Polar Research 25(3-4):241-266 [W. Kiessling/U. Merkel]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 66565: authorized by Wolfgang Kiessling, entered by Uta Merkel on 10.10.2006

Creative Commons license: CC0 (CC0)

Taxonomic list

Show authors, comments, and common names
Gastropoda
 Opisthobranchiata - Cylichnidae
Cylichna sp.
Cylichna sp. Lovén 1846 snail
 Neogastropoda - Turridae
Amuletum obensis
 Neogastropoda - Ptychatractidae
Exilia narymensis
 Neogastropoda - Turbinellidae
Turbinellidae indet.
Turbinellidae indet. Swainson 1840 snail
 Neogastropoda -
Muricoidea indet.
Muricoidea indet. de Costa 1776 snail
 Sorbeoconcha - Aporrhaidae
? Anchura sp., Drepanocheilus tanamensis
? Anchura sp. Conrad 1860 snail
 Architaenioglossa - Ampullinidae
? Naricopsina sp.
 Heterostropha - Ringiculidae
Biplica siberica n. sp.
Biplica siberica n. sp. snail