Barnacle naupliar larvae are differentiated from other zooplankton by their unique pair of frontal lateral horns. frontal filaments. and a pear-shaped cephalic shield. Their morphology impose constraints on their ecological functions and reflect their evolutionary history. https://www.markbroyard.com/hot-sale-us-topo-7-5-minute-map-for-sunken-lake-mi-supply-limited-grab/