cultrate การใช้

• Scleritomes of Early Cambrian halkieriids have many more palmate and cultrate than siculate sclerites.
• Some specimens have been found partially rolled up, rather like a pillbug, and in this position the cultrate sclerites projected outwards, which probably deterred predators.
• On the other hand, siculate sclerites of " A . superstes " are more abundant than either cultrate or palmate sclerites; in fact palmate sclerites are rare.