†subfamily Orthoceratinae McCoy 1844 (mollusk)

Cephalopoda - Orthoceratoidea

I made this to separate the subfamily from the family.

Parent taxon: Orthoceratidae according to W. C. Sweet 1964

Sister taxa: Aethiosolen, Anaspyroceratinae, Chebbioceras, Ctenoceras, Infundibuloceras, Kopaninoceras, Leurocycloceratinae, Merocycloceras, Michelinoceras, Michelinoceratinae, Orthoceras, Orthocycloceras, Palorthoceras, Pleurorthoceras, Pojetoceras, Prohypogeophis, Prohypogeophis tunariensis, Pseudospyroceras, Striatocycloceras, Theoceras, Tibichoanoceras, Tienoceras

Subtaxa: Bifoveoceras

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Ecology: nektonic carnivore

Distribution:

• Ordovician of Estonia (2 collections)

Total: 2 collections each including a single occurrence

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