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Nilssonia sp.

genus Nilssonia Brongniart (1825)

• Extinct species: middle Permian - Cretaceous (265.0 - 66.0 Ma)

• Classification
• kingdom Plantae, phylum Cycadophyta, class Cycadopsida, order Bennettitales, family Cycadeoidaceae

• Distribution
• Mesozoic: Ehime
• Triassic: Okayama
• Jurassic: Miyagi, Toyama
• Jurassic-Cretaceous: Nagano, Ishikawa
• Cretaceous: Fukui, Chiba, Mie

• Subtaxa
• N. asuwensis
• N. densinervis
• N. glossoformis
• N. nipponensis
• N. orbiculata
• N. orientalis
• N. sachalinensis
• N. schaumburgensis var. parvula
• N. serotina