FIGURE 21. Setosella alfioi n in Revision of the genus Setosella (Bryozoa: Cheilostomata) with description of new species from deep-waters and submarine caves of the Mediterranean Sea

FIGURE 21. Setosella alfioi n. sp. PMC. Rosso Collection I.H. B-45b, Archi section, S Calabria, Italy, Middle Pleistocene. a–c. Sample 6. a. Abfrontal surface of a proximally tapering single zooid. b. Inclined, proximal view exposing the contact surface and pore. c. Frontal view of an isolated proximally tapering zooid, presumably the first zooid of a colony. d–f. Sample 12. Different views of a broken, cormidial couplet zooid-vibraculum of a colony with regenerated proximally budded vibraculum. Scale bars: a–c = 100 μm; d–f = 200 μm.