Assertion: arthropod's pair | /r/CapableOf | capture prey
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text: was a tiny animal (7 mm to 23 mm long) with: a head shield; a slim, segmented body covered on top by armor plates; a paddle-like tail; 3 pairs of legs under the head shield; a flap-like appendage fringed with setae under each body segment, probably used for swimming and/or respiration; a pair of relatively large appendages at the front of the head shield, each with a pronounced "elbow" and ending in four long spines which may have functioned as "fingers". is assumed to have been a mainly benthic (bottom-dwelling) creature that swam just above the ocean floor and used its appendages to scavenge or capture prey.