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Animalia
33
Biodiversity
Cephalopoda
Mollusca
33
Taxonomy
33
Tetrabranchia
16
Tarphycerida
9
Trocholitidae
9
Rioceratidae
7
Estonioceratidae
6
Trocholitoceras
6
Buttsoceras
3
Buttsoceras buldrebreenense
3
Cycloplectoceras
3
Cycloplectoceras hinlopense
3
Deltoceras
3
Deltoceras beluga
3
Litoceras
3
Litoceras profilbekkenense
3
Oncocerida
3
Orthocerida
3
Phthanoncoceratidae
3
Svalbardoceras
3
Tarphyceratidae
3
Trocholitoceras juvenicostatum
3
Trocholitoceras walcotti
3
Troedssonellidae
3
Valhalloceras
3
Bassleroceratidae
2
Ellesmerocerida
2
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