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Animalia
Biodiversity
9
Cephalopoda
Mollusca
Taxonomy
9
Tetrabranchia
4
Tarphycerida
3
Trocholitidae
3
Estonioceratidae
2
Trocholitoceras
2
Buttsoceras
1
Buttsoceras buldrebreenense
1
Cycloplectoceras
1
Cycloplectoceras hinlopense
1
Deltoceras
1
Deltoceras beluga
1
Litoceras
1
Litoceras profilbekkenense
1
Oncocerida
1
Orthocerida
1
Phthanoncoceratidae
1
Rioceratidae
1
Svalbardoceras
1
Tarphyceratidae
1
Trocholitoceras juvenicostatum
1
Trocholitoceras walcotti
1
Troedssonellidae
1
Valhalloceras
1
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