Ruedemannia instabilis Donald 1906

Gastropoda - Trochonematoidea - Lophospiridae

Alternative combination: Lophospira instabilis

Full reference: J. G. Donald. 1906. Notes on the genera Omospira, Lophospira and Turritoma, with descriptions of new Proterozoic species. Quarterly Journal of the Geological Society of London 62:552-572

Belongs to Ruedemannia according to P. J. Wagner 2017

See also Donald 1906

Sister taxa: Ruedemannia aberrans, Ruedemannia bembexiformis, Ruedemannia borkholmiensis, Ruedemannia cognata, Ruedemannia crassior, Ruedemannia fristschi, Ruedemannia holmi, Ruedemannia humilis, Ruedemannia laevissima, Ruedemannia lirata, Ruedemannia robusta, Ruedemannia sodalis, Ruedemannia striatula, Ruedemannia subrobusta, Ruedemannia tolli, Ruedemannia trilix

Distribution: found only at Locality 5. “Starfish Bed,” small cliff above S. bank of Lady Burn River, 100 meters south of South Treave Farmhouse, Thraive Glen, Girvan (Ordovician of the United Kingdom)

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