FIGURE 11 in Morphological description and DNA barcodes of shallow-water Tetractinellida (Porifera: Demospongiae) from Bocas del Toro, Panama, with description of a new species

FIGURE 11. Stryphnus raratriaenus sp. nov. [ZMBN 81642]: A. Holotype, alive, growing on coral rubble. A tangential cut in the specimen shows the whitish choanosome (arrow). Scale: 2 cm; B. Cross–section showing the skeletal architecture: cortex and choanosome. Arrow points to a dichotriaene. Scale: 1 mm; C. Detail of cross section (B) showing the dichotriaene. Note the large granular brown cells. Scale: 500 µm; D. Sanidaster. Scale: 2 µm; E. Oxyaster. Scale: 4 µm; F. Oxyaster with a dichotomous actine. Scale: 4 µm.