Bactroceras Holm 1898 (mollusk)

Cephalopoda - Orthocerida - Baltoceratidae

Synonym: Eobactrites Schindewolf 1932

Parent taxon: Baltoceratidae according to B. Kröger and B. Lefebvre 2012

See also Evans 2005, Kröger and Evans 2011, Sweet 1958 and Teichert et al. 1964

Sister taxa: Amsleroceras, Annbactroceras, Castelloceras, Cochlioceras, Cyrtobaltoceras, Endorioceras, Eosomichelinoceras, Hedstroemoceras, Metabaltoceras, Microbaltoceras, Rhabdiferoceras, Semiannuloceras, Sinocochleoceras, Veneficoceras

Subtaxa: Bactroceras angustisiphonatum Bactroceras avus Bactroceras gossei Bactroceras mourguesi Bactroceras sandbergeri

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Type: Bactroceras avus

Ecology: nektonic carnivore


• Ordovician of Australia (4 collections), Bolivia (1), China (6), France (8), Germany (1), Indonesia (1), Morocco (1), Norway (1), Sweden (1), the United Kingdom (2), United States (2: Nevada)

• Arenig of China (2)

• Dawan of China (1)

• Arenigian of Svalbard and Jan Mayen (1)

Total: 32 collections each including a single occurrence

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Specimen images are retrieved through the ePANDDA API.

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