Description of Oligotrichia
provided by BioPedia
Spirotrich ciliates, oral polykinetids forming an open circle, typically with an anterior collar and a more ventral lapel; somatic kineties reduced in number and variable in pattern, forming bristles, girdles and spirals; somatic kinetids as mono-, di-, or polykinetids; no lorica; most planktonic; replication band(s) traverse the macronucleus during cell division.
