@article{oai:niigata-u.repo.nii.ac.jp:00006863, author = {Fujikawa, Masayuki and Ishibashi, Takeshi and Tazawa, Jun-ichi}, journal = {Science reports of Niigata University. (Geology), Science reports of Niigata University. (Geology)}, month = {Mar}, note = {A Late Carboniferous brachiopod Isogrammapaotechowensis (Grabau and Chao, 1928) is described for the first time from the lower Copacabana Group of Yampupata in the Lake Titicaca region, Bolivia. The occurrence of I. paotechowensis suggests that the fossil horizon Yp-26 of the lower Copacabana Group is assigned to Late Carboniferous in age.}, pages = {17--24}, title = {Isogramma (Brachiopoda) from the lower Copacabana Group of the Lake Titicaca region, Bolivia}, volume = {18}, year = {2003} }