ammonites
Cimmeriella mucronata Fang 1994 (lamp shell)

Strophomenata - Productida - Linoproductidae

Alternative combination: Stepanoviella mucronata

Synonym: Globiella youwangensis Shi et al. 1996

Belongs to Cimmeriella according to S. Z. Shen et al. 2000

Sister taxa: Cimmeriella costellata, Cimmeriella decemplecta, Cimmeriella flexuosa, Cimmeriella foordi, Cimmeriella qiangduensis, Cimmeriella willi

Ecology: stationary low-level epifaunal suspension feeder

Average measurements (in mm): shell 16.3 x 22.4, valve 16.0 x 16.3