website: <a href="http://www.cbif.gc.ca/itisca/">ITIS*<sup>ca</sup></a>;
website: <a href="http://www.cria.org.br/">CRIA-Brazil</a>;
database: NODC Taxonomic Code;
document: ITIS & Species 2000 Catalogue of Life Management Hierarchy; M. Ruggiero & D. Gordon, eds. 2013. Consensus Management Hierarchy for the ITIS & Species2000 Catalogue of Life. Contributors: Nicolas Bailly, Thierry Bourgoin, Richard Brusca, Thomas Cavalier-Smith, Daphne Fautin, Dennis Gordon, Gerald Guala, Michael Guiry, Paul Kirk, Elliot Lefkowitz, David Mabberly, David Maddison, Alan Paton, Michael Ruggiero, Peter Stevens, and Brian Tyndall