ostracod
Definition
Noun: A very small aquatic crustacean, typically living in marine or freshwater environments. Its body resembles that of a shrimp but is completely enclosed within a bivalve (two-part) shell, like a tiny clam. Also commonly known as a "seed shrimp."
Usage
The word "ostracod" is a scientific term used primarily in biology, paleontology, and environmental science. It refers to the animal itself. - The sediment sample was full of fossilized ostracods. - Researchers study ostracod shells to understand historical climate conditions.
Advanced Usage
- Indicator Species: In ecology, ostracods are often cited as valuable bioindicators for assessing water quality and paleoenvironmental conditions due to their sensitivity to changes in their habitat.
- The presence of specific ostracod species indicates a previously saline lake environment.
Variants and Related Words
- Ostracode: An alternative, less common spelling for "ostracod."
- Seed Shrimp: The common name for ostracods.
- Ostracoda: The scientific class name to which all ostracods belong.
Synonyms
- Mussel shrimp: Another common name for ostracods.
- Podocopid: Refers to a major order of ostracods (Podocopida), often used in more specific taxonomic contexts.
Related Phrases / Terms
- Ostracod valve: Refers to one of the two halves of the bivalve shell.
- The ostracod valve showed intricate surface ornamentation under the microscope.
- Ostracod assemblage: A term used in paleontology to describe a group or community of ostracod fossils found together.
- The ostracod assemblage suggests a deep, cold-water paleolake.
Noun
-
tiny marine and freshwater crustaceans with a shrimp-like body enclosed in a bivalve shell
Khám phá thêm
Các từ liên quan
Từ đồng nghĩa
Từ gần giống
Từ chứa "ostracod"
