Loricate, occasionally very weakly loricate. Lorica usually more or less dorso-ventrally depressed, angular, rectangular or hexagonal; anterior margins of lorica often with spines, caudally with or without spines or extensions; head and foot retractable in lorica. Foot present or absent, if present long and wrinkled or with pseudosegments; two small toes. Corona frontal with reduced ciliation, usually with single dorsal and 2‒4 humps with short cilia and cirri. Trophi malleate.
Brachionidae is a family of rotifers belonging to the order Ploima.[1] Species are found in freshwater and marine habitats.[2]
Rotifers in the family Brachionidae range from 170 to 250 μm, and possess a lorica. The lorica is in a single piece and lacks any furrows, groovese, sulci, or dorsal head shields.[2]
The family contains seven genera:[1][2]
Brachionidae is a family of rotifers belonging to the order Ploima. Species are found in freshwater and marine habitats.