SPECIES AcceptedOrthoceras bilineatum (Hall, 1847)Source: The Paleobiology DatabaseReference taxon taxon.loadingAboutMetricsOccurence imagesSynonyms and combinationsCitationOrthoceras 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.Issues and flags: Name parent mismatch