Nautilida

The Nautilida constitute a large and diverse order of generally coiled nautiloid cephalopods that began in the mid Paleozoic and continues to the present with a single family, the Nautilidae which includes two genera, Nautilus and Allonautilus, with six species. All told, between 22 and 34 families and 165 to 184 genera have been recognised, making this the largest order of the subclass Nautiloidea.

单词	Nautilida
释义	Nautilida 英语百科 Nautilida The Nautilida constitute a large and diverse order of generally coiled nautiloid cephalopods that began in the mid Paleozoic and continues to the present with a single family, the Nautilidae which includes two genera, Nautilus and Allonautilus, with six species. All told, between 22 and 34 families and 165 to 184 genera have been recognised, making this the largest order of the subclass Nautiloidea.
随便看	crever creves crevet crevette crevice Crevice corrosion crevice corrosion test crevice corrosion test for stainless steel creviced creviced rock Crevice Kelpfish crevice needling crevice oil crevice plant crevice tool crevice water crevicular crevicular epithelium crevicular exudate Crevicular Fluid,Gingival Crevicular Fluids,Gingival Crevillente Crevillente, Sa.de Crevis Crevise