A review of fossil Bursidae and their use for phylogeny calibration Author Sanders, Malcolm T. Author Merle, Didier Author Puillandre, Nicolas text Geodiversitas 2019 2019-03-08 41 5 247 265 journal article 10.5252/geodiversitas2019v41a5 1dd366f3-9e6d-4dcf-a082-408a0ea91bc4 1638-9395 3699932 urn:lsid:zoobank.org:pub:33E8EF32-4BE4-4992-9917-8611CA0AD579 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 .