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Animalia
10
Bassleroceratidae
10
Biodiversity
Cephalopoda
Ellesmerocerida
Mollusca
10
Oncocerida
Phthanoncoceratidae
10
Rioceratidae
10
Taxonomy
10
Tetrabranchia
10
Lawrenceoceras
9
Olenidslettoceras
9
Valhalloceras
9
Cyclostomiceratidae
4
Cyclostomiceras
3
Nyfrieslandoceras
3
Bactroceratidae
1
Baltoceratidae
1
Cyptendoceratidae
1
Dissidocerida
1
Ellesmeroceratidae
1
Endocerida
1
Estonioceratidae
1
Orthocerida
1
Proterocameroceratidae
1
Protocycloceratidae
1
Riocerida
1
Tarphyceratidae
1
Tarphycerida
1
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