Cyrtonotella semicircularis Eichwald 1829 (lamp shell)

Rhynchonellata - Orthida - Archaeorthidae

Alternative combination: Orthis semicircularis

Belongs to Cyrtonotella according to M. Rubel 1961

Sister taxa: Cyrtonotella grandistriata, Cyrtonotella kuckersiana, Cyrtonotella nicholsoni, Cyrtonotella subfissicosta, Cyrtonotella virginiensis

Ecology: stationary epifaunal suspension feeder

Distribution:

• Ordovician of Estonia (7 collections), the Russian Federation (4)

Total: 11 collections each including a single occurrence

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Specimen images are retrieved through the ePANDDA API.


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