Robuta

https://www.doccheck.com/de/detail/photos/16962-cil12300-jpg
Didinium (non-dividing) has a massive cytopharynx at its anterior end that takes the shape of a cone-shaped proboscis when closed. This cytopharynx contains...
didiniumtoxicextrusomescildoccheck
https://www.doccheck.com/en/detail/photos/19515-didinium-nasutum-toxic-extrusomes-cil-38863
High resolution image of Didinium (non-dividing) has a massive cytopharynx at its anterior end that takes the shape of a cone-shaped proboscis when closed....
didiniumtoxicextrusomescildoccheck