@inproceedings{inproceedingscf1fee03,
title   = {Taphonomic history of late paleozoic shell beds, parana basin, brazil},
author = {Simoes, M G and Rocha-Campos, A. C.},
year = {1993},
publisher = {Cprm},
booktitle   = {Congresso Brasileiro de Paleontologia}
}