“…Our dataset ("Pteronura_brazil.csv") lists the available specimens deposited in the major zoological collections in Brazil, including data on voucher specimens, locality, date of collection, gender, material deposited and primary reference. The column "Voucher specimen" refers to a preserved animal specimen, all or a portion (skin, skull, tissues) that is collected, preserved, and maintained as reference material in a museum as a permanent reference; "State" refers to a federated state within a territorial and constitutional community forming part of the Brazilian federation; "Locality" refers to a place, spot, or district, where the collection of the organism was made; "Date of collection" refers to the day, month and year of the collection of the referred specimen; "Gender" is either the male or female division of a species; "Material deposited" refers to the piece of evidence that was examined and checked for future reference; "Primary reference" refers to the very first scientific peerreviewed publication that lists the referred voucher specimen(s), they are: Brandão et al (2019), Cáceres et al (2008), De Vivo et al (2011), Nascimento and Vendramel (2020, Siciliano et al (2008), Tomas et al (2017 and Vieira (1946). Dataset: Pteronura_brazil.csv…”