Gastropoda - Murchisoniina - Hormotomidae
Alternative combination: Murchisonia anna
Full reference: E. Billings. 1859. Fossils of the Calciferous Sandrock, including those of a deposit of white limestone at Mingan, supposed to belong to the formation. The Canadian Naturalist and Geologist 4:345-367
Belongs to Murchisonia (Hormotoma) according to P. J. Wagner 2023
See also Billings 1859, Ulrich and Scofield 1897, Wagner 1999 and Whitfield 1886
Sister taxa: Hormotoma aculeata, Hormotoma acuminata, Hormotoma agilis, Hormotoma altesinuata, Hormotoma amii, Hormotoma antigonishensis, Hormotoma antiqua, Hormotoma arisaigensis, Hormotoma artemesia, Hormotoma articulata, Hormotoma bilineata, Hormotoma bistriata, Hormotoma cassina, Hormotoma centervillensis, Hormotoma concinnus, Hormotoma confusa, Hormotoma cotterensis, Hormotoma doquieri, Hormotoma dubia, Hormotoma dubia, Hormotoma exilis, Hormotoma fascinata, Hormotoma funata, Hormotoma gigantea, Hormotoma gracilens, Hormotoma gracilis, Hormotoma gracillima, Hormotoma grayiana, Hormotoma hyale, Hormotoma inceptor, Hormotoma insignis, Hormotoma latifasciatum, Hormotoma lutiensis, Hormotoma meryenorfi, Hormotoma meyendorfi, Hormotoma minnesotensis, Hormotoma moderata, Hormotoma multivolvis, Hormotoma neglecta, Hormotoma nigra, Hormotoma oehlerti, Hormotoma ordosensis, Hormotoma ordovix, Hormotoma patriciaensis, Hormotoma piperi, Hormotoma polita, Hormotoma prava, Hormotoma robusta, Hormotoma rotundivolvis, Hormotoma rudis, Hormotoma scrobiculata, Hormotoma simplex, Hormotoma striatula, Hormotoma subangulata, Hormotoma tenuifilosa, Hormotoma teretiformis, Hormotoma vesta, Hormotoma wilsoni, Hormotoma winnipegensis, Murchisonia (Hormotoma) gracillima, Murchisonia (Hormotoma) patriciaensis
Distribution:
• Ordovician of the United Kingdom (1 collection), United States (8: Arkansas, Missouri)
Total: 9 collections including 10 occurrences
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.