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  • Chiton - Wikipedia
    Chitons ( ˈ k aɪ t ən z,-t ɒ n z ) are marine molluscs of varying size in the class Polyplacophora ( ˌ p ɒ l i p l ə ˈ k ɒ f ər ə POL-ee-plə-KOF-ər-ə), [3] formerly known as Amphineura [4]
  • Amphineura - Encyclopedia. com
    Amphineura (phylum Mollusca) A class of elongate, bilaterally symmetrical, marine molluscs in which the shell, if present, consists of seven or eight overlapping, calcareous plates on the dorsal surface The head is poorly differentiated, if at all
  • Introduction to Amphineura - NatureMapping Foundation
    Shell: The shell is composed of eight overlapping plates or valves These are joined to each other on the outer margin and undersides to the girdle, a thickened part of the mantle Scales, spines or bristles may be present on the girdle
  • Phylum Mollusca – Classification, Definition, Characteristics, Examples
    Amphineura, derived from Greek ‘amphi’ (both) and ‘neuron’ (nerve), is a class of mollusks characterized by their distinct nervous system and body structure This class is divided into two subclasses: Aplacophora and Polyplacophora
  • AMPHINEURA Definition Meaning - Merriam-Webster
    The meaning of AMPHINEURA is a class of bilaterally symmetrical marine mollusks sometimes considered an order of Gastropoda, comprising the chitons and their related forms, having two lateral and two ventral nerve cords, and being commonly divided into the Polyplacophora and the Aplacophora
  • The Shelled Animals—Mollusca - FOR SEA
    Scientists divide molluscs into five classes: Amphineura, Scaphopoda, Pelecypoda, Gastropoda, and Cephalopoda The phylum Mollusca contains the clams, snails and octopods The term “mollusca” comes from a Latin word meaning “soft” As the name implies, molluscs are soft-bodied animals
  • New Upper Cretaceous Amphineura (Mollusca) - USGS Publications Warehouse
    Present-day Amphineura live mostly in shallow water, but some species are abyssal; one has been found at a depth of 12,000 feet The meager geologie record of Cretaceous Am phi­ neura may be used as an argument for a worldwide pau­ city of rocky shore habitats during th31t period How­ ever, all the new Creta;ceous amphineur31n species herein
  • Amphineura - Oxford Reference
    Class of elongate, bilaterally symmetrical, marine molluscs, first appearing in the Upper Cambrian, in which the shell, if present, consists of seven or eight overlapping, calcareous plates on the dorsal surface The class comprises the Polyplacophora (chitons), and the Aplacophora which have no fossil record
  • amphineura - Geocities Archive
    Class Amphineura comprises two subclasses of primitive forms of mollusk: aplacophora and polyplacophora (chitons) The first are small wormlike animals that live in moderately deep, ocean water These comprise about twenty genera
  • Chiton - Simple English Wikipedia, the free encyclopedia
    Chitons are primitive marine molluscs in the class Polyplacophora (formerly the class Amphineura) There are 900 to 1,000 living species of chitons The size ranges from 0 5 to 30 cm in length most are quite small





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