Aptychus von Meyer, 1831 † (additional source)
Aptychus von Meyer, 1831 † (current name source)
Aptychus von Meyer, 1831 † (habitat flag source)
Aptychus von Meyer, 1831 † (extant flag source)
Cinctpunctaptychus Mechova, Vašíček & Houša, 2010 † (original description)
Mortilletilamellaptychus Mechova, Vašíček & Houša, 2010 † (original description)
Trigonellites Parkinson, 1811 † accepted as Aptychus von Meyer, 1831 † (source of synonymy)
Trigonellites Parkinson, 1811 † accepted as Aptychus von Meyer, 1831 † (extant flag source)
Trigonellites Parkinson, 1811 † accepted as Aptychus von Meyer, 1831 † (habitat flag source)

 Taxonomic remark

 for Aptychus von Meyer, 1831 †

Form genus for aptychi (portions of the jaw apparatus) of fossil ammonites. Trigonellites Parkinson, 1811 has ... [details]

 Taxonomic remark

 for Trigonellites Parkinson, 1811 †

Form genus for aptychi (portions of the jaw apparatus) of fossil ammonites. Has nomenclatural priority over ... [details]