ammonites
Pustula baicalensis Maslennikov 1960 (lamp shell)

Strophomenata - Productida - Echinoconchidae

Alternative combination: Lanipustula baicalensis

Belongs to Pustula according to Maslennikov 1960

Sister taxa: Productus (Pustula) cubanicus, Productus (Pustula) gortani, Productus (Pustula) vagansiformis, Pustula gyroflexa

Ecology: stationary low-level epifaunal suspension feeder

Average measurements (in mm): valve 9.61 x 11.72