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Animalia
15
Biodiversity
15
Cephalopoda
Mollusca
15
Nyfrieslandoceras
Rioceratidae
15
Taxonomy
15
Tetrabranchia
15
Phthanoncoceratidae
9
Bassleroceratidae
3
Ellesmerocerida
3
Estonioceratidae
3
Lawrenceoceras
3
Nyfrieslandoceras bassleroceroides
3
Olenidslettoceras
3
Oncocerida
3
Valhalloceras
3
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