FIGURE 16 in Morphological description and DNA barcodes of shallow-water Tetractinellida (Porifera: Demospongiae) from Bocas del Toro, Panama, with description of a new species

FIGURE 16. Geodia papyracea (Hechtel, 1965) [UMPCW921]: A. Specimen in situ, growing on a mangrove root, arrow points to the oscule plate with uniporal oscules (Picture: Scott Nichols). Scale: 3 cm; B. Cross–section showing the skeletal architecture: cortex and choanosome. Note the confused arrangement of the megascleres in the choanosome. Scale: 1 mm; C. Sterraster, with an acanthostrongylaster by the warty hilum. Scale: 20 µm; D. Star–shaped warty rosettes from a sterraster surface. Scale: 4 µm; E. Acanthoxyaster I and acanthostrongylasters. Scale: 4 µm; F. Acanthoxyaster II. Scale: 4 µm; G. Acanthostrongylasters. Scale: 2 µm; G. papyracea [YPM 5045, holotype]: H. Warty rosettes and hilum from a sterraster surface. Scale: 4 µm.