| Abstract | | German | German Müllersche Larve der Polycladen, Pilidium-Larven der Nemertinen, Entwicklungsstadien der Polygordius-Trochophora (Anneliden); Metatrochophora von Spinoiden und Chaetopterus variopedatus, Nectochaeta-Larven, Mitraria-Larven (Polychaeten). Veliger-Larven von Schnecken und Muscheln, Actinotrocha-Larve und Jugendstadium von Phoronis, Cyphonautes-Larve (Tentaculata). | | English | English Müller larva of Polyclads, Pilidium larva of nemertini, developmental stages of the Polygordius trochophora (annelids); metatrochophora of Spinoids and Chaetopterus variopedatus, Nectochaeta larva, Mitraria larva (polychaetes). Veliger larvae of snails and mussels, Actinotrocha larva and youth stage of Phoronis, Cyphonautes larva (Tentaculata). |
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