†Tivertonia chumikensis Archbold and Gaetani 1993 (lamp shell)
Strophomenata - Productida - Rugosochonetidae
Full reference: N. W. Archbold and M. Gaetani. 1993. Early Permian Brachiopoda and Mollusca from the northwest Himalaya, India. Rivista Italiana di Paleontologia e Stratigrafia 99(1):27-56
Belongs to Tivertonia according to N. W. Archbold and M. Gaetani 1993
Sister taxa: Tivertonia jachalensis, Tivertonia pillahuincensis, Tivertonia tatamariensis, Tivertonia yarrolensis
Type specimen: MPUM 6808, a valve (Dorsal valve, internal mold). Its type locality is Chumik Marpo ZB5, Lingti River, Lahul, which is in a Sakmarian marine horizon in the Chumik Formation of India.
Ecology: stationary low-level epifaunal suspension feeder