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Animalia
24
Biodiversity
Cephalopoda
Mollusca
24
Rioceratidae
Taxonomy
24
Tetrabranchia
24
Svalbardoceras
9
Svalbardocreas
7
Phthanoncoceratidae
6
Ethanoceras
5
Nyfrieslandoceras
5
Olenidslettoceras
5
Oncocerida
4
Valhalloceras
4
Bactroceras
3
Baltoceratidae
3
Bassleroceratidae
3
Ellesmerocerida
3
Hinlopoceras
3
Lawrenceoceras
3
Orthocerida
3
Eosomichelinoceras
2
Cyclostomiceras
1
Cyclostomiceratidae
1
Cyptendoceras
1
Cyptendoceratidae
1
Estonioceratidae
1
Nyfrieslandoceras bassleroceroides
1
Svalbardoceras sterna
1
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