Jurassic stratigraphy of the Spiti area (modified from Alberti et al. 2021).

 
 
  Part of: Fürsich FT, Alberti M, Pandey DK, Ayoub-Hannaa WS (2022) Jurassic bivalves from the Spiti area of the Himalayas, northern India. Zitteliana 96: 153-178. https://doi.org/10.3897/zitteliana.96.87253