How To Use hydrozoan In A Sentence
- Moore and Harrington regarded Sphenothallus as a hydrozoan or scyphozoan.
- Yet another hypothesis for the origin of the mesoderm from the subumbrellar epithelium of a hydrozoan medusa buds has been recently advanced.
- Other colonial hydrozoans, such as the chondrophorines and siphonophorans, are pelagic; many of these have developed internal gas-filled floats as an aid to buoyancy.
- In some cases, gene relationships among cnidarian groups are congruent with the species phylogeny: hydrozoan sequences are sister-group to scyphozoan sequences, with anthozoan sequences branching basally to this ensemble. PLoS ONE Alerts: New Articles
- It is a widespread Paleozoic marine taxon that has been interpreted most recently as a tubiculous annelid or other ‘worm’ or as a thecate hydrozoan or scyphozoan cnidarian.
- While a few hydrozoans, such as Hydra, are solitary polyps, most live in colonies made up of anywhere from a few to thousands of individual polyps.
- Sphenothallus Hall, 1847 is a widespread Paleozoic marine taxon that has been interpreted most recently as a tubiculous annelid or other ‘worm’ or as a thecate hydrozoan or scyphozoan cnidarian.
- Scyphozoan medusae differ from those of hydrozoans in lacking a velum.
- Although they share traits with the scyphozoans and hydrozoans, cubozoans also possess traits found in neither of the two other medusoid classes.
- Free-living medusoid hydrozoans can be hard to tell from scyphozoans, but hydrozoan medusae generally have a muscular shelf, or velum, projecting inward from the margin of the bell.
