Sometimes the mouth becomes twisted and the lorica is therefore bilateral.
The animals are similarly fastened to the lorica, sometimes directly, sometimes by means of a short stalk.
lorica, lo-rī′ka, n. in ancient Rome, a cuirass made of thongs—also Lor′ic (Browning).
When they contract they draw back to the bottom of the lorica; when expanded they usually stretch out of the mouth opening.
The body is often provided with not-living external formations “stalk” and “theca” (or “lorica”).
The tube of the Œcistes is called a "lorica," or carapace; but it has in truth no right whatever to the appellation.
The animal is attached, as in the closely allied genus Tintinnus, by a peduncle to the bottom of the lorica.
Panza, abdomen, alvus; whence Panzeria, lorica qu ventrem tegit.
The lorica is swollen posteriorly, narrowest at the oral margin, bent on its axis and is supported on a short stalk.