Figure 6 in First record of Longosomatidae (Annelida: Polychaeta) from Iceland with a worldwide review of diagnostic characters of the family

Figure 6. Schematic drawings (not to scale) following Laubier et al. (1972–73), showing lateral (above) and dorsal (below) views of four species of Heterospio. Heterospio mediterranea Laubier, Picard and Ramos, 1972–73, Heterospio reducta Laubier, Picard and Ramos, 1972–73, Heterospio peruana Borowski, 1994 and Heterospio angolana Bochert and Zettler, 2009. Arrows mark position of first elongated chaetiger: black, after original description; grey, new interpretation (see text for explanations). Chaetigers numbered below lateral view of each species.