A giant foraminifer that converges to the feeding strategy of carnivorous sponges: Spiculosiphon oceana sp. nov. (Foraminifera, Astrorhizida)
Agglutinated foraminifera make a relatively diverse group of organisms, which is taxonomically defined as a subclass (Textulariia) and comprises four orders. The orders are based upon gross morphology, wall structure, and cement composition (Kaminski 2004). The cement that binds the test together may be organic (as in the Astrorhizida), calcareous and canaliculate (as in the … Leer más