Genus Paraleucilla Dendy, 1892

FIGURE 7. Leucandra serrata (UFPEPOR 595). A—preserved specimen; B—tangential section of the cortex; C—transversal section of the body; arrow points to a diactine protruding through the atrium; D—choanosomal and atrial skeletons, detail shows the atrium with tetractines; E – Cortical diactine; F – Microdiactine; G—Cortical triactine; H—choanosomal triactine; I—choanosomal tetractine; J—atrial tetractine (a —apical actine, p—paired actine, u—unpaired actine).