Vermes. Gephyrei. Sipunculoidea, Echiuroidea
Description
Phylum Sipuncula
External and internal morphology of Sipunculans (1, 2, 3).
Phylum Annelida
Pleistoannelida
Sedentaria
Echiuridae *
External and internal morphology (6, 7, 10, 11). Circulatory vessels of echiuran (8).
Bonellia viridis, female (10, 11) and male (12).
Trochophore of echiuran (14).
Possible larval form of Phoronida (actinotroch), erroneously attributed to Echiuridae (15).
* Formerly classified as Phylum Echiura
Format
image/jpeg (1013.20 kB)
wallchart
Subject
• Zoologia, Vermi, Tavola didattica
Object languages:
GermanSources
• Complesso Didattico di Biologia e Biomedicina – esposizione