FIGURE 4 in Three new species of Tetilla Schmidt, 1868 (Tetillidae, Spirophorida, Demospongiae) from Bahia, northeastern Brazil

FIGURE 4. Tetilla muricyi sp. nov.; A. Holotype; preserved specimen (UFBA 2568 - POR), oval body and a thick rhizoids at the base. B. Longitudinal section of paratype (UFBA 2569 - POR) showing the inner region; arrow indicates apical oscule. Scale: A – B = 2 cm. C. Transverse section (from center to surface) showing the radial skeleton. Scale = 500 µm. D – F. detail of the ectosome. Scales D = 250 µm, E = 100 µm and F = 50 µm