Arjamannia thraivensis Longstaff 1924 (snail)

Gastropoda - Murchisoniina - Lophospiridae

Alternative combination: Lophospira thraivensis

Full reference: J. D. Longstaff. 1924. Descriptions of Gasteropoda, chiefly in Mrs. Robert Gray's collection, from the Ordovician and Lower Silurian of Girvan. Quarterly Journal of the Geological Society of London 80(4):408-446

Belongs to Arjamannia according to P. J. Wagner 2023

See also Longstaff 1924, Peel 1975, Wagner 1995 and Wagner 1999

Sister taxa: Arjamannia aulangonensis, Arjamannia bellicarinata, Arjamannia cancellatula, Arjamannia inexpectans, Arjamannia pteronoides, Arjamannia sybellina, Arjamannia turrita, Arjamannia woodlandi

Type specimen: Its type locality is Locality 5. “Starfish Bed,” small cliff above S. bank of Lady Burn River, 100 meters south of South Treave Farmhouse, Thraive Glen, Girvan, which is in a Rawtheyan carbonate limestone in the South Threave Formation of the United Kingdom.

Ecology: epifaunal detritivore

Distribution:

• Ordovician of the United Kingdom (1 collection), United States (1: Alaska)

Total: 2 collections each including a single occurrence

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Specimen images are retrieved through the ePANDDA API.


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