Cardioceras (Scoticardioceras)
Species
Cardioceras (Scoticardioceras) stillwelli Reeside, 1919
Known only from holotype
Occurrence: Redwater Shale Member in Wyoming
Reference: Imlay, 1982
Cardioceras (Scoticardioceras) stillwelli
Photograph from Imlay, 1982
Cardioceras (Scoticardioceras) cf. C. (S.) stillwelli Reeside, 1919
Known from one very small pyritized specimen
Occurrence: Swift Formation in Montana
Reference: Imlay, 1982
Cardioceras (Scoticardioceras) whitfieldi Reeside, 1919
Known from only two specimens
Occurrence: Redwater Shale Member in Wyoming
Reference: Imlay, 1982
Cardioceras (Scoticardioceras) whitfieldi
Photograph from Imlay, 1982
Cardioceras (Scoticardioceras)? cf. C. (S.) whitfieldi Reeside, 1919
Known only from a single external mold
Occurrence: Swift Formation in Montana
Reference: Imlay, 1982
