Family Platychoniidae Schrammen 1924 (demosponge)

Demospongiae - Spirosclerophorida - Platychoniidae

Parent taxon: Rhizomorina according to R. M. Finks et al. 2004

Sister taxa: Azoricoidea, Haplistiidae, Laosciadia, Platychoniodea, Scleritodermatoidea, Sentinelia

Subtaxa: Amphibleptula Bothrolemma Chonellopsis Hyaloderma Platychonia

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Type: Platychonia

Ecology: stationary epifaunal suspension feeder

Distribution:

• Eocene of Italy (1 collection)

• Jurassic of France (3), Germany (15), India (1), Poland (54), Portugal (5)

Total: 79 collections including 109 occurrences

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