invertebrate having jointed limbs and a segmented body with an exoskeleton made of chitin

in some classifications considered a separate phylum: microscopic arachnid-like invertebrates living in water or damp moss having 4 pairs of legs and instead of a mouth a pair of stylets or needlelike piercing organs connected with the pharynx

small needlelike appendage; especially the feeding organ of a tardigrade

in some classifications considered a separate phylum: microscopic arachnid-like invertebrates living in water or damp moss having 4 pairs of legs and instead of a mouth a pair of stylets or needlelike piercing organs connected with the pharynx

small needlelike appendage; especially the feeding organ of a tardigrade