License MIT open source approved license:
OneZoom (TM) web version 1.1 (2012)
Copyright (c) James Rosindell and Imperial College, London
URL: www.onezoom.org
Citation: Rosindell J, Harmon LJ (2012) OneZoom: A Fractal Explorer for the Tree of Life. PLoS
Biology 10(10): e1001406. doi:10.1371/journal.pbio.1001406
All rights reserved.

Data shown are from the World Porifera Database:
Van Soest, R.W.M; Boury-Esnault, N.; Hooper, J.N.A.; Rützler, K.; de Voogd, N.J.; Alvarez de Glasby, B.; Hajdu, E.; Pisera, A.B.; Manconi, R.; Schoenberg, C.; Janussen, D.; Tabachnick, K.R., Klautau, M.; Picton, B.; Kelly, M.; Vacelet, J.; Dohrmann, M.;
Cristina Díaz, M. (2013) World Porifera
Database. Accessed at http://www.marinespecies.org/porifera.

Customized for PorToL (www.portol.org) by: Cai JYJ, Bangalore PV, Thacker RW and Rosindell J