• Aporrhais gardneri Pchelintsev, 1927

might be a junior synonym of Ceratosiphon becklesi (Mantell, 1851)

Reference:

• Pchelintsev, 1927; The Jurassic and Lower Cretaceous fauna of the Crimea and Caucasus. Mem. Com. Geol., Leningrad, new series, Vol. 172: 320 p, 9 pl. (in russian)