Spirigerina (Eospirigerina) Boucot and Johnson 1967 (lamp shell)

Rhynchonellata - Atrypida - Atrypinidae

Full reference: A. J. Boucot and J. G. Johnson. 1967. Silurian and Upper Ordovician atrypids of the genera Plectatrypa and Spirigerina. Norsk Geoliska Tidsskrift 47:79-101

Parent taxon: Spirigerina according to Boucot and Johnson 1967

Sister taxa: Spirigerina copperi, Spirigerina marginalis, Spirigerina quinquecostata, Spirigerina supramarginalis

Subtaxa: Spirigerina (Eospirigerina) gaspeensis

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Ecology: stationary epifaunal suspension feeder


• Silurian of Canada (1: Ontario collection), Estonia (1), Norway (13), the United Kingdom (3), Venezuela (1)

• Ordovician to Silurian of Norway (1)

• Ordovician of Canada (10: Quebec, Québec), the Russian Federation (1), the United Kingdom (1)

Total: 32 collections each including a single occurrence

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