†Sivorthis friendsvillensis Cooper 1956 (lamp shell)
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Rhynchonellata - Orthida - Orthidae
Alternative combination: Orthambonites friendsvillensis
Belongs to Sivorthis according to V. Jaanusson and M. G. Bassett 1993
Sister taxa: Sivorthis ardmillanensis, Sivorthis bellus, Sivorthis calatravaensis, Sivorthis eucharis, Sivorthis filistera, Sivorthis minus, Sivorthis minutus, Sivorthis multicostellatus, Sivorthis noctilio, Sivorthis occidentalis, Sivorthis precordillerana, Sivorthis tenuicostatus
Ecology: stationary epifaunal suspension feeder
Distribution:
• Ordovician of the Russian Federation (2 collections)
Total: 2 collections each including a single occurrence
Specimen images are retrieved through the ePANDDA API.
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