Polyplacophora

Học thuật
Thân thiện
Definition

Noun 1. A taxonomic class within the phylum Mollusca: A small class of exclusively marine mollusks characterized by an oval, dorsoventrally flattened body and a shell composed of eight overlapping, calcareous plates. These animals are commonly known as chitons.

Usage
  • The term is used in scientific, biological, and zoological contexts to classify and describe this specific group of mollusks.
  • It functions as a singular proper noun when referring to the class itself (e.g., "Polyplacophora is a class...").
  • It can be used in its plural form to refer to the members of this class collectively (e.g., "These polyplacophora are found in tidal zones.").
Examples
  • Scientific Classification: "In the taxonomic hierarchy, Polyplacophora is a class that falls under the phylum Mollusca."
  • Descriptive Biology: "The unique eight-plated shell is the defining morphological feature of the Polyplacophora."
  • General Reference: "Marine biologists study Polyplacophora to understand the evolution of molluscan body plans."
Advanced Usage
  • Phylogenetic Context: The taxonomic rank of Polyplacophora has been subject to revision. Historically, it was sometimes considered an order within the subclass Amphineura, but modern cladistics typically recognizes it as a distinct class.
    • Example: "Older literature may list Polyplacophora as an order of Amphineura, but contemporary systems treat it as a separate class."
Variants and Related Words
  • Polyplacophoran (noun): An individual member of the class Polyplacophora; a chiton.
    • Example: "A polyplacophoran uses its broad foot to cling tightly to rocks."
  • Chiton (noun): The common name for any mollusk belonging to the class Polyplacophora.
    • Example: "The chiton is a familiar sight in rocky intertidal zones."
Synonyms
  • Chitons: This is the common name for the animals in this class and is often used synonymously in non-technical language.
    • Example: "The study focused on the feeding habits of chitons (class Polyplacophora)."
Notes on Meaning

The word Polyplacophora has a single, precise scientific meaning. It does not have different everyday meanings, idioms, or phrasal verbs associated with it, as it is a specialized taxonomic term. Its definition is consistent across biological contexts.

Noun
  1. small class of marine mollusks comprising the chitons; sometimes considered an order of the subclass Amphineura

Từ đồng nghĩa

Từ gần giống

Từ chứa "Polyplacophora"

Từ có nhắc đến "Polyplacophora"