Family ASTRORHIZIDAE Brady, 1881
Astrorhizidae Brady, 1881 (*339), p. 41, 43. Astrorhizina Lankester, 1885 (*1790), p. 846. Astrorhizida Haeckel, 1894 (*1355), p. 185. Dendrophryida Haeckel, 1894 (*1355), p. 185. Astrorhizinae Delage and Hérouard, 1896 ( *926), p. 129. Dendrophryidae Eimer and Fickert, 1899 (*1088), p. 597.
Test free or attached, generally large, with two or more branches from a central area; agglutinated wall showing little selectivity and commonly poorly cemented, with a proteinaceous organic lining; apertures at the ends of the arms. M. Ordovician to Holocene.
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