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Definition of poriferan in English: poriferannoun pəˈrɪf(ə)rənpəˈrɪf(ə)rən Zoology An aquatic invertebrate animal of the phylum Porifera; a sponge. Example sentencesExamples - In all cases, poriferans have a canal system, through which they pump water.
- With a worldwide fauna of at least 15,000 species, poriferans are among the most diverse of sessile marine taxa.
- Between 1859 and 1866, he worked on many "invertebrate" groups, including radiolarians, poriferans (sponges) and annelids (segmented worms).
- Poriferans don't have mouths; instead, they have tiny pores in their outer walls through which water is drawn.
- The first seems to have occurred before the split between poriferans and the other metazoans.
adjective pəˈrɪf(ə)rənpəˈrɪf(ə)rən Zoology Relating to or denoting poriferans. Example sentencesExamples - For that matter, even the syncytial ‘gut’ departs further from the cnidarian or poriferan system than from the bilaterian archenteron.
- Between 1859 and 1866, he worked on many ‘invertebrate’ groups, including radiolarians, poriferans and annelids (segmented worms).
- Thus, poriferan spicules and chancelloriid sclerites do not appear homologous.
- In that time, the first undoubted fossil annelids, arthropods, brachiopods, echinoderms, molluscs, onychophorans, poriferans, and priapulids show up in rocks all over the world.
Definition of poriferan in US English: poriferannounpəˈrif(ə)rənpəˈrɪf(ə)rən Zoology An aquatic invertebrate animal of the phylum Porifera; a sponge. Example sentencesExamples - In all cases, poriferans have a canal system, through which they pump water.
- The first seems to have occurred before the split between poriferans and the other metazoans.
- Between 1859 and 1866, he worked on many "invertebrate" groups, including radiolarians, poriferans (sponges) and annelids (segmented worms).
- Poriferans don't have mouths; instead, they have tiny pores in their outer walls through which water is drawn.
- With a worldwide fauna of at least 15,000 species, poriferans are among the most diverse of sessile marine taxa.
adjectivepəˈrif(ə)rənpəˈrɪf(ə)rən Zoology Relating to or denoting poriferans. Example sentencesExamples - Between 1859 and 1866, he worked on many ‘invertebrate’ groups, including radiolarians, poriferans and annelids (segmented worms).
- Thus, poriferan spicules and chancelloriid sclerites do not appear homologous.
- For that matter, even the syncytial ‘gut’ departs further from the cnidarian or poriferan system than from the bilaterian archenteron.
- In that time, the first undoubted fossil annelids, arthropods, brachiopods, echinoderms, molluscs, onychophorans, poriferans, and priapulids show up in rocks all over the world.
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