†Cyrtonotella semicircularis Eichwald 1829 (lamp shell)
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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:
• Valaste of Estonia (6 collections), the Russian Federation (2)
• Langevoja of the Russian Federation (1)
• Hunderum of the Russian Federation (1)
• Ordovician of Estonia (1)
Total: 11 collections each including a single occurrence
Specimen images are retrieved through the ePANDDA API.
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