The earliest Helicosalpinx from Canada and the global expansion of commensalism in Late Ordovician sarcinulid corals (Tabulata)

L. Tapanila

2004

Article

Palaeogeography, Palaeoclimatology, Palaeoecology 215:99-110

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Taxa discussed in this work:

• Columnopora
• Helicosalpinx
• Helicosalpinx asturiana

Taxonomy:

• Helicosalpinx asturiana belongs to Helicosalpinx - Oekentorp (1969)
• Columnopora belongs to Tabulata - Tapanila (2004)