porifera
Definition
- Noun:
- A phylum of primitive aquatic animals: Porifera is the scientific name for the phylum comprising all sponge species. These are simple, multicellular organisms that lack true tissues and organs.
- The sponge phylum: It is coextensive with the subkingdom Parazoa, distinguishing these animals from all other metazoans.
Usage Examples
- Noun:
- Marine biology students studied the unique filter-feeding system of the Porifera.
- The fossil record shows that Porifera have existed for hundreds of millions of years.
Advanced Usage
- In taxonomic classification: The term is used formally in biological taxonomy to categorize all sponge species.
- The specimen was definitively classified under the phylum Porifera.
Variants and Related Words
- Poriferan (n): An individual animal belonging to the phylum Porifera; a sponge.
- The researcher collected several poriferans for her study on marine ecosystems.
Synonyms
- Sponges: The common name for the animals within this phylum.
- Parazoa: The subkingdom name, often used synonymously in certain taxonomic contexts to refer to these simple animals.
Noun
-
coextensive with the subkingdom Parazoa: sponges
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