Pachystrophia contiguus Ulrich and Scofield 1897 (snail)

Gastropoda - Euomphalina - Holopeidae

Alternative combinations: Ecculiomphalus contiguus, Eccyliomphalus contiguus

Full reference: E. O. Ulrich and W. H. Scofield. 1897. The Lower Silurian Gastropoda of Minnesota. The Paleontology of Minnesota 39(2):813-1081

Belongs to Pachystrophia according to P. J. Wagner 2023

See also Rohr 1980, Sweet 1954, Ulrich and Scofield 1897 and Wagner 1999

Sister taxa: Pachystrophia balclatchiensis, Pachystrophia devexa, Pachystrophia dilatata, Pachystrophia gotlandicus, Pachystrophia helicoides, Pachystrophia inchoans, Pachystrophia inornatum, Pachystrophia lescarboti, Pachystrophia mullockensis, Pachystrophia orinini, Pachystrophia subuloidea, Pachystrophia triquestra, Pachystrophia tuba, Pachystrophia vortex

Type specimen: Its type locality is Murfreesboro, which is in an Ashbyan shallow subtidal wackestone/packstone in the Murfreesboro Limestone Formation of Tennessee

Ecology: stationary epifaunal suspension feeder

Distribution:

• Ordovician of United States (5: Colorado, Tennessee collections)

Total: 5 collections each including a single occurrence

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Specimen images are retrieved through the ePANDDA API.


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