aplacophoran

Thân thiện

An aplacophoran burrows slowly through the deep-sea sediment.

Definition

1. Noun:
   • A deep-water, worm-like mollusk: An aplacophoran is a type of invertebrate animal that lives in deep ocean waters. Its body is elongated and resembles a worm.
   • Characterized by a lack of calcareous plates and the presence of spicules: Unlike some other mollusks, it does not have a hard, calcareous shell or plates. Instead, its covering mantle has tiny, slimy, needle-like structures called spicules.

Usage Examples

• Noun:
  • The biologist discovered a new species of aplacophoran near the hydrothermal vent.
  • Aplacophorans are studied to understand the evolution of molluscan body plans.

Advanced Usage

• Scientific Classification: The term is often used in zoological and marine biology contexts. "Aplacophoran" can refer to any member of the class Aplacophora within the phylum Mollusca.
  • The research paper compared the digestive systems of various aplacophorans.

Variants and Related Words

• Solenogaster (n): A common subgroup of aplacophorans. This term is often used more specifically.
  • Most solenogasters are predators, feeding on cnidarians.

Synonyms

• Spicule-bearing mollusk: A descriptive synonym highlighting its key physical feature.

Học thuật

Noun

1. deep-water wormlike mollusks lacking calcareous plates on the body but having fine slimy spicules on the covering mantle

Từ đồng nghĩa

• solenogaster