Olssonia yasila (Olsson, 1930) n. comb. (Fig. 5N, O)

Bursa chira var. yasila Olsson, 1930: 63, pl. 10, figs 3, 4.

Marsupina yasila – Beu 1988: 71.

TYPE LOCALITY. — Middle Eocene (Bartonian) Talara Formation, Yasila, Peru

TYPE MATERIAL. — Holotype (PRI 24254), with two paratypes (PRI 24255 and PRI 24262).

GEOGRAPHIC AND STRATIGRAPHIC OCCURRENCE. — Known only from the Bartonian of Peru.