FIGURE 13. Erylus formosus Sollas, 1886 in Morphological description and DNA barcodes of shallow-water Tetractinellida (Porifera: Demospongiae) from Bocas del Toro, Panama, with description of a new species

FIGURE 13. Erylus formosus Sollas, 1886: A. In situ, Adriana's reef (Picture: Deborah Gochfeld). Note the uniporal oscules. Scale: 6 cm; [ZMBN 81644]: B. Cross–section of the uniporal pores showing the skeletal architecture: cortex and choanosome. s: sphincter; p: polychaete living in the canals. Scale: 1 mm; C. Orthotriaene. Scale: 100 µm; D. Microrhabds and acanthotylaster. Scale: 10 µm; E. Aspidaster. Scale: 20 µm; F. Smooth rosettes with bifid or trifid rays on the surface of an aspidaster. Scale: 2 µm.