Title: Biostratigrafi͡ia triasovykh i ͡iurskikh otlozheniĭ basseĭna reki Bolʹshoĭ An͡iuĭ (Zapadna͡ia Chukotka)
Subjects: Paleontology, Fossil Mollusks
Places: Russia (Federation), Greater Anyny Valley
Time periods: Triassic, Jurassic