1972  Metabactrites formosus Bogoslovskii: 45, pl.5 fig.1.
     1994  Kokenia formosa.- Becker & House: 91.
     1999  Metabactrites formosus.-Belka et al., 14.
     2001  Metabactrites formosus.-Klug: 486, figs.7B,C, 8:1.
     2002  Metabactrites fomosus [sic]-Korn & Klug: Fig.60 C, F, G, 61 B.

Holotype: PIN 3303/2.

Klug, 2001, p.486: Metabactrites with a platyconic conch (ww/dm = 0.07) and with slightly growing ww/wh ratio (0.5 at dm = 30 mm and 0.6 at dm = 40 mm). About 30 gently rursiradiate riblets per 1/4 whorl at a diameter of 30 mm and later about 25 (at dm = 40 mm) with a shallow ventral sinus.

Fig. see TAX5638 B, C: suture, septal shape. TAX5639 C, F, G.