The non-hierarchical, non-uniformly branching topology of a leuconoid sponge aquiferous system revealed by 3D reconstruction and morphometrics using corrosion casting and X-ray microtomography - J. U. Hammel; M. V. Filatov; J. Herzen; F. Beckmann; J. A. Kaandorp; M. Nickel (Acta Zoologica, 2012)