Late Maastrichtian Radiolaria from ODP Leg 165 - Site 999 B, Colombian Basin Author Kochhann, Karlos G. D. Author Baecker-Fauth, Simone Author Fauth, Gerson text Geodiversitas 2013 2013-03-29 35 1 5 20 http://dx.doi.org/10.5252/g2013n1a1 journal article 6418 10.5252/g2013n1a1 601d4544-4775-454a-a797-677f0212775b 1638-9395 4538016 Crucella sp. ( Fig. 5J ) FIGURED SPECIMEN. — ULVG-7339. MATERIAL. — Three specimens (recovered with the hydrogen peroxide method); two specimens (recovered with the acetic acid method). DESCRIPTION Four-rayed hagiastrid, without bracchiopyle. Rays are equal in length, sharply pointed distally, with tri(?)-bladed spines at extremities. Rays are subcircular to elliptical in cross-section. Central area slightly elevated. Rays present pores composed of tetragonal pore-frames, linearly aligned. REMARKS All the recovered specimens present broken spines at extremities. Family SPONGODISCIDAE Haeckel, 1862 Genus Tholodiscus Petrushevskaya & Koslova, 1972