(bass-ill-air-ee-a) paxillifer, a colonial planktonic diatom, in which many cells join by their raphes, and can slide against each other - the resulting arrays capable of extending and retracting, not exactly like a pantograph, but not too different either. This species from the plankton, some say it is the same as the benthic B. paradoxa
. Differential interference microscopy.
data on this strain.