Os mastodontes do Brasil
Subtitle: (The mastodonts of Brazil)
By: por George Gaylord Simpson e Carlos de Paula Couto
Publisher: Instituto Brasileiro de Bibliografia e Documentaçao
Published: 1955
Place of publication: Rio de Janeiro
Language: por
Number of pages: 20
Subjects: Mastodons; Paleontology
Notes: At head of title: Presidéncia da República.

Text in Portuguese and English.