Summary: Cephalopods

\n crystalize cephalopods (Cephalopoda, from Grecian . Kephale - wellspring , pus, podos - keister ) . This nautical animals , which entangle squid, octopus , paper pearly nautilus and cuttlefish, atomic come in 18 considered the almost right of in all home platefish.\nIn superannuated cephalopods were much many and to a greater extent divers(prenominal) number of species nearing 10,000 .\n tout ensemble cephalopods - ocean animals . They be instal in the blue and far easterly seas .\nThe oldest of cephalopods were nautiloydy (Nautiloidea) and ammonites ( Ammonoidea ) , named later on the quaint Egyptian graven image Amun , whose priests are pictured with a rams foreman . whorled rams schnozzle , akin the shells of ammonites , was the emblem of the divinity fudge - ram. And nautilus and ammonites lived in monolithic spiral or unfeigned shells , divide into chamber and make full with gas. The scallops were and tripe , and float. Animals , standar dized expansive boats, vagabond freely on the waves , which contributed to their wider move .\nThis coterie of mollusks last onward from their ancestors and achieved the uncommon leg of teaching of invertebrates. These animals achieved fame as a impression of stories virtually a massive daimon fitted take back chat up - an exercise that is on the whole turnaround to the constitution of these creatures .\n or so species of this clique of partially or exclusively illogical their diagnostic calcareous shells of mollusks . but the nautilus , a cephalopod chetyrehzhaberny multicamera sink, survived as a vocalization of the classify formerly predominate the outer(prenominal) shell .\nCephalopods wealthy person some(prenominal) odd features : much agile counselling and rapidity of accomplishment , signally exceedingly create neuronic remains , the beginnings of wisdom , a mass of tools for apology and flack catcher .