Alternative combinations: Anazyga recurvirostris, Atrypa recurvirostris, Zygospira recurvirostra, Zygospira recurvirostris
Full reference: J. Hall. 1847. Containing descriptions of the organic remains of the lower division of the New York system (equivalent of the Lower Silurian rocks of Europe). Paleontology of New York 1:1-338
Sister taxon: Anazyga orbis
Type specimen: AMNH 70S.3
Ecology: stationary epifaunal suspension feeder
• Ordovician of Canada (25: Manitoba, Ontario, Quebec collections), United States (106: Georgia, Idaho, Illinois, Iowa, Kentucky, Maryland, Michigan, Minnesota, Missouri, New York, Tennessee, Virginia)
Total: 131 collections each including a single occurrence
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.