Coptospora archangelskyi was named by Zamaloa (2004) [Type locality. Beta Dell, Northeast ofTierra del Fuego, samples CB 19, CH 2A, CH 12, CH 14. Stratigraphic horizon. Lower or middle Miocene. Dimensions (sculpture excluded). Major equatorial diameter (length) 49 (59.3) 75 um (10 specimens measured), minor equatorial diameter (width) 37 (47) 66 sun (10 specimens measured), polar diameter (height) 41, 43 um (2 specimens measured).]. It is not extant. Its type specimen is Coptospora striata Detmaann, 1963, a microspore.