@misc{misc620f7c2c, title = {Cladistics and mass extinctions: the example of conulariids (cnidaria) and the end Ordovician extinction event}, author = {Iten, Heyo Van and Burkey, Mattew and Leme, Juliana de Moraes and Marques, Antonio Carlos}, year = {2017}, publisher = {Boletim de Resumos XXV Congresso Brasileiro de Paleontologia}, booktitle = {Congresso Brasileiro de Paleontologia} }