FIGURE 4. B. schlosseri. A in Fixation, description and DNA barcode of a neotype for Botryllus schlosseri (Pallas, 1766) (Tunicata, Ascidiacea)

FIGURE 4. B. schlosseri. A: swimming larva; A1: enlargement of the "head"; B: oozooid, ventral view; C–E: enlargements of oozooid intestinal loop; E: stomach fold with longitudianl rut (white arrowhead); F: zooid of first blastogenetic generation (ventral view); G: system of zooids of second blastogenetic generation (ventral view), G1: particular enlarged of second order bus; G2: particular enlarged of the oral syphon (ventral view) showing the mass of blood cells at the base of the two lateral tentacles. Symbols as in Figure 1.