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Exemplar morphological forms of Ctenophora. a) Cydippid morphology (ovate body, long tentacles); photograph taken by James Townsend. b) Lobate morphology (reduced tentacles, large lobes). c) Beroida morphology (lacking tentacles and lobes). d) Platyctenida morphology (flattened, long tentacles). e) Cestida morphology (ribbon-like); photograph taken by Roberto Pillon and contrast adjusted in Adobe Photoshop.
