Gastropoda - Euomphalina - Helicotomidae
Full reference: D. M. Rohr. 1988. Upper Ordovician gastropods from the Seward Peninsula, Alaska. Journal of Paleontology 62(4):551-566
Belongs to Helicotoma according to P. J. Wagner 2023
See also Rohr 1988 and Wagner 1999
Sister taxa: Helicotoma brocki, Helicotoma declivis, Helicotoma gorgonea, Helicotoma granosa, Helicotoma griffinorum, Helicotoma marginata, Helicotoma miser, Helicotoma missouriensis, Helicotoma oriens, Helicotoma planulata, Helicotoma planulatoides, Helicotoma proserpina, Helicotoma robinsoni, Helicotoma robusta, Helicotoma subquadrata, Helicotoma superba, Helicotoma tennesseensis, Helicotoma tritonia, Helicotoma umbilicata, Helicotoma verticalis, Helicotoma whiteavesiana
Type specimen: Its type locality is USNM 36394, Teller Quadrangle, Don River area, York Mountain, Seward Peninsula, which is in a Richmondian carbonate wackestone/packstone in the Port Clarence Limestone Formation of Alaska
Ecology: stationary epifaunal suspension feeder
Distribution:
• Ordovician of United States (2: Alaska collections)
Total: 2 collections each including a single occurrence
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.