A Boreal Toarcian Biochronological Zonation Based on Bivalve Mollusks of the Genus Meleagrinella Whitfield, 1885

Using the chronological sequence of species of the genus Meleagrinella Whitfield, 1885 (family Oxytomidae Ichikawa, 1958) established in the Toarcian deposits of Northeast Russia, eastern Siberia, and southern Germany, a biochronological zonation is proposed for the Lower Toarcian. Three oxyto-zones...

Full description

Bibliographic Details
Published in:Stratigraphy and Geological Correlation
Main Authors: Lutikov, O. A., Arp, Gernot
Format: Article in Journal/Newspaper
Language:English
Published: 2023
Subjects:
Anabar
Markha
Tyung
Kelimyar
Motorchuna
Saturn
Anabar Bay
Siberia
Online Access:https://resolver.sub.uni-goettingen.de/purl?gro-2/131546
https://doi.org/10.1134/S0869593823020053
Description
Summary:Using the chronological sequence of species of the genus Meleagrinella Whitfield, 1885 (family Oxytomidae Ichikawa, 1958) established in the Toarcian deposits of Northeast Russia, eastern Siberia, and southern Germany, a biochronological zonation is proposed for the Lower Toarcian. Three oxyto-zones corresponding to zones of the Boreal Ammonite Scale are established: Meleagrinella golberti oxyto-zone = Til-toniceras antiquum and Harpoceras falciferum zones; Meleagrinella substriata oxyto-zone = Dactylioceras commune Zone; Meleagrinella prima oxyto-zone = Zugodactylites braunianus and Pseudolioceras compac-tile zones. Using the proposed zonation, an interregional correlation of sections of the Lower Toarcian of Northern Russia (Astronomicheskaya, Saturn, Brodnaya, Start rivers), eastern Siberia (Anabar Bay, Markha, Tyung, Vilyui, Kelimyar, Motorchuna river, and boreholes in the Vilyui Syneclise) and southern Germany (the Ludwig Canal) is performed.

Similar Items