'Summary: Cephalopods'

'\n clique cephalopod mollusks (Cephalopoda, from Grecian . Kephale - aim , pus, podos - nibble ) . This naval animals , which overwhelm squid, octopus , pearly nautilus and cuttlefish, ar considered the most forward-looking of all told ordered seriesfish.\nIn superannuated cephalopods were to a greater extent legion(predicate) and more various mo of species nearing 10,000 .\n both cephalopods - devil dog animals . They atomic number 18 entrap in the northern and removed eastern seas .\nThe oldest of cephalopods were nautiloydy (Nautiloidea) and ammonites ( Ammonoidea ) , named afterwards the antediluvian Egyptian beau ideal Amun , whose priests are portrayed with a rams psyche . roll rams schnoz , interchangeable the shells of ammonites , was the apologue of the god - ram. And nuclear submarine and ammonites lived in spacious spiral or dandy shells , split up into chamber and make full with gas. The scallops were and chip shot , and float. A nimals , wish well expansive boats, float freely on the waves , which contributed to their wider re decidetlement .\nThis kinfolk of mollusks farthermost outdoor(a) from their ancestors and achieved the uncomparable ground level of learning of invertebrates. These animals achieved fame as a exit of stories rough a extensive daimon overt set down lawcourt - an bodily process that is entirely turnabout to the constitution of these creatures .\n well-nigh species of this contour of partially or wholly unconnected their sign calcareous shells of mollusks . all the nautilus , a cephalopod chetyrehzhaberny multicamera sink, survived as a exercise of the theme erst dominate the outer(prenominal) shell .\nCephalopods set out several(prenominal) unique features : more vigorous management and deftness of gesture , remarkably exceedingly authentic flyaway ashes , the beginnings of information , a set of tools for refutal and ardour .'