21. The foot is also unusual, being armored at the sides with iron-mineralised sclerites . 22. Ventral sclerites are sometimes called laterosternites. 23. The backward-projecting siculate sclerites may have improved its grip by preventing it from slipping backwards. 24. The sclerites of the Kairei population, which have a layer of iron sulfide, are ferrimagnetic. 25. Its overlapping sclerites are arched and small, comprise two shell layers, and have lamellar projections. 26. It comprises a pair of lateral cervical sclerites and is composed of both cephalic and thoracic elements. 27. The beetle's exoskeleton is made up of numerous plates called sclerites , separated by thin sutures. 28. Each segment is made up of a dorsal and a ventral sclerite , connected by an elastic membrane. 29. The axillary region is region containing the axillary sclerites has in general the form of a scalene triangle. 30. They wrote that in 1994 Butterfield had found " Wiwaxia " sclerites that were clearly hollow.