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Class: CEPHALOPODA
--- Taxon Tree: ORTHOCERATOIDEA [Subclass] - ORTHOCERIDA [Order]
------ Family: BALTOCERATIDAE Kobayashi, 1935 † (Sea)
------------ Genus: Bactroceras Holm, 1898 †
--------------- Species: Bactroceras angustisiphonatum (Rüdiger, 1891 ) † - ID: 6867000004
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Sweden, Kalmar, Borgholm FOSSIL Ordovician
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synonyms: |
Endoceras angustisiphonatum Rüdiger, 1891 †
Bactroceras guichiense Ying, 1989 †
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Bactroceras jingshanlingense Zou, 1987 †
Bactroceras latisiphonatum Glenister, 1952 †
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Bactroceras wilsoni Flower, 1968 †
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