Gastropoda - Murchisoniina - Hormotomidae
Alternative spelling: Seelya (Plethospira)
Synonym: Seelya Ulrich and Scofield 1897
Full reference: E. O. Ulrich and W. H. Scofield. 1897. The Lower Silurian Gastropoda of Minnesota. The Paleontology of Minnesota 39(2):813-1081
Parent taxon: Hormotomidae according to P. Bouchet et al. 2005
See also Knight et al. 1960, Schuchert 1900, Sepkoski 2002, Ulrich and Scofield 1897, Wagner 1999 and Wagner 2023
Sister taxa: Catazone, Coelocaulus, Diplozone, Gyrodoma, Hormotoma, Hormotomina, Medfracaulus, Ptychocaulus
Subtaxa: Plethospira arenaria Plethospira caledoniensis Plethospira cannonensis Plethospira cassina Plethospira difficilis Plethospira emanuelensis Plethospira extensa Plethospira floweri Plethospira rotunda Seelya cassandra Seelya ventricosa
Type: Plethospira rotunda
Ecology: epifaunal carnivore
Distribution:
• Arenig of Australia (1 collection)
• Ordovician of Canada (2: Newfoundland and Labrador, Nunavut), the United Kingdom (4), United States (18: Minnesota, Missouri, Montana, New York, Ohio, Texas, Vermont)
• Tremadoc of United States (2: Montana, Utah)
Total: 27 collections including 28 occurrences
Specimen images are retrieved through the ePANDDA API.
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