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Animalia
52
Biodiversity
Cephalopoda
Mollusca
52
Taxonomy
52
Tetrabranchia
Rioceratidae
24
Cyptendoceratidae
9
Phthanoncoceratidae
9
Svalbardoceras
9
Estonioceratidae
8
Protocycloceratidae
8
Svalbardocreas
7
Deltoceras
6
Orthocerida
6
Cyptendoceras
5
Ethanoceras
5
Nyfrieslandoceras
5
Olenidslettoceras
5
Protocycloceras
5
Baltoceratidae
4
Catoraphiceras
4
Oncocerida
4
Valhalloceras
4
Bactroceras
3
Bassleroceratidae
3
Cycloplectoceras
3
Ellesmerocerida
3
Endocerida
3
Eosomichelinoceras
3
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