This section will consider submissions comparative studies at different levels as they exist between different species, populations, individuals, organs, tissues or cells within species. We particularly welcome manuscripts which focus on the special needs of specific organisms providing hints on their evolutionary relationship or convergent evolutionary background.
Ultrastructure and functional morphology of the appendages in the reef-building sedentary polychaete Sabellaria alveolata (Annelida, Sedentaria, Sabellida)
The sedentary polychaete Sabellaria alveolata, the sandcastle or honeycomb worm, possesses four different kinds of appendages besides the parapodia: opercular papillae, tentacular filaments, palps, and branchiae....
Citation: BMC Zoology 2021 6:5