FIGURE 2. B. schlosseri. A in Fixation, description and DNA barcode of a neotype for Botryllus schlosseri (Pallas, 1766) (Tunicata, Ascidiacea)

FIGURE 2. B. schlosseri. A: filtering zooid with testis; B: particular of the previous figure enlarged to show the second row of stigmata (black arrowhead) does not arrive to the dorsal vessel; C: Detail of figure B to show the spoon shaped oral tentacles; A, B, C; the white arrowheads indicate the mass of blood cells at the base of the two lateral tentacles; D: oral spoon shaped tentacles seen at the scanning electron microscopy; E: branchial sac opened; E1: particular enlarged to show the simple (s) and double (d) dorsal lamina; F: isolated intestinal loop; G: enlarged portion of stomach to show typhlosole, pyloric caecum and duct of the pyloric gland; H: first order bud (stage 8/2-3); I: particular enlarged of the figure H showing oocytes and testis, the second order bud in stage 2-3. Symbols as in Figure 1