ammonites
Turbonilla (Chemnitzia) bartschiana Brown and Pilsbry 1913 (snail)

Gastropoda - Pyramidelloidea - Pyramidellidae

Fig. 4

Full reference: A. P. Brown and H. A. Pilsbry. 1913. Fauna of the Gatun Formation, Isthmus of Panama: II. Proceedings of the Academy of Natural Sciences of Philadelphia 64:500-519

Belongs to Turbonilla (Chemnitzia) according to A. P. Brown and H. A. Pilsbry 1913

Sister taxa: Chemnitzia altenburgensis, Chemnitzia costaria, Chemnitzia curvicostata, Chemnitzia densecostata, Chemnitzia elegantior, Chemnitzia elegantissima, Chemnitzia roessleri, Chemnitzia rufa, Chemnitzia unica, Chemnitzia varicula, Turbonilla (Chemnitzia) gatunensis, Turbonilla (Chemnitzia) ivea

Type specimen: ANSP (no number), a shell

Ecology: epifaunal carnivore

Average measurements (in mm): shell 2.00 x 0.60