micraster Antonyms
No Synonyms and anytonyms found
Meaning of micraster
Webster
micraster (n.)
A genus of sea urchins, similar to Spatangus, abounding in the chalk formation; -- from the starlike disposal of the ambulacral furrows.
micraster Sentence Examples
- Micraster, a genus of extinct echinoderms, is notable for its distinctive discoid-shaped test.
- The fossil record indicates that micrasters inhabited shallow marine environments during the Cretaceous period.
- The micraster species Micraster coranguinum is characterized by its large and oval test.
- The spines on the surface of micrasters varied in size and density, depending on their species.
- Micrasters possessed a complex internal structure that included ambulacral plates for water vascular systems.
- The study of micrasters has provided valuable insights into the evolution and paleoecology of echinoderms.
- The unique morphology of micrasters makes them easily recognizable in marine fossil assemblages.
- Micrasters are often preserved in carbonate sediments, such as limestone and chalk.
- The distribution of micrasters has been used to reconstruct paleoenvironmental conditions in ancient oceans.
- The preservation of micrasters in amber is a rare but fascinating occurrence that provides exceptional details of their anatomy.
FAQs About the word micraster
A genus of sea urchins, similar to Spatangus, abounding in the chalk formation; -- from the starlike disposal of the ambulacral furrows.
No synonyms found.
No antonyms found.
Micraster, a genus of extinct echinoderms, is notable for its distinctive discoid-shaped test.
The fossil record indicates that micrasters inhabited shallow marine environments during the Cretaceous period.
The micraster species Micraster coranguinum is characterized by its large and oval test.
The spines on the surface of micrasters varied in size and density, depending on their species.
