FIGURES 9–20 in Morphometrical analysis, histology, and taxonomy of Thyroscyphus ramosus (Cnidaria, Hydrozoa) from the coast of Brazil

FIGURES 9–20: Scanning electron micrographs of Thyroscyphus ramosus Allman, 1877. 9—Hydrotheca with elongated pedicel and prominent node (scale 500µm); 10—Overall view of the hydrotheca and protruded hydranth (scale 500µm); 11—Detail of the hypostome and surrounding tentacles (scale 100µm); 12—Detail of tentacles and batteries of nematocysts forming rings along each tentacle (scale 200µm); 13—Detail of the tentacular tip with concentrated nematocysts (scale 150µm); 14—Hydrothecal opening with a four­valve operculum (scale 200µm); 15—Pedicel, apophysis and node (scale 200µm); 16—Section of the hydrocaulus showing the perisarc and internal coenosarc (scale 100µm); 17—Detail of the gonotheca base (scale 200µm); 18—Gonotheca next to hydrotheca (scale 1000µm); 19—Detail of gonotheca (scale 1000µm); 20—Detail of the distal region of the gonotheca (scale 150µm). (Apo—apophysis; C—coenosarc; Gt—gonotheca; Ht— hydrotheca; Hyp—hypostome; N—node; P—perisarc; Ped—pedicel)