thumb|Fossilized stranded scyphozoans on a Cambrian tidal flat at Blackberry Hill, Wisconsin. The Scyphozoa are an exclusively marine class of the phylum Cnidaria, referred to as the true jellyfish (or "true jellies").
The Scyphozoa are a group of marine animals commonly known as true jellyfish, belonging to the same phylum as sea anemones and corals. They are important members of ocean ecosystems and have existed since ancient times, with fossils showing they lived millions of years ago during the Cambrian period.
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cup animals
Scyphozoa
CLASS
Schirmquallen oder Scheibenquallen (Scyphozoa) sind eine Klasse der Nesseltiere (Cnidaria). Sie werden auch als Echte Quallen bezeichnet. Die Schirmquallen bilden drei Ordnungen: Kranzquallen (Coronatae), Fahnenquallen (Semaeostomae) und Wurzelmundquallen (Rhizostomeae). Zu den Scyphozoa gehören etwa 130 Arten. Die meist solitär lebenden Tiere werden durch große Medusen und kleine Polypen charakterisiert. Die Fortpflanzung erfolgt abwechselnd ungeschlechtlich, durch Abschnürung von Ephyralarven vom sessilen Polypen (Strobilation), und geschlechtlich (eine so genannte Metagenese).
via GBIF
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thumb|Fossilized stranded scyphozoans on a Cambrian tidal flat at Blackberry Hill, Wisconsin. The Scyphozoa are an exclusively marine class of the phylum Cnidaria, referred to as the true jellyfish (or "true jellies").
The class name Scyphozoa comes from the Greek word skyphos (), denoting a kind of drinking cup and alluding to the cup shape of the organism.
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