SPECIES Synonym
Spyroceras bilineatum (Hall, 1847)
Synonym ofOrthoceras bilineatum (Hall, 1847)Source: The Paleobiology Database
Occurence images
Citation
Spyroceras bilineatum (Hall, 1847) in GBIF Secretariat (2023). GBIF Backbone Taxonomy. Checklist dataset https://doi.org/10.15468/39omei accessed via GBIF.org on 2025-08-05.