Olsen LC, Kourtesis I, Busengdal H, Jensen MF, Hausen H, Chourrout D.

BMC Dev Biol. 2018 Feb 27;18(1):4. doi:10.1186/s12861-018-0165-5

Evidence for a centrosome-attracting body like structure in germ-soma segregation during early development, in the urochordate Oikopleura dioica.

Localised pumilio (pum1) and vasa (vas4) RNAs. Prior hatching, pum1 is found outside the embryo!