Fig. 4 in Evolution and classification of Mesozoic mathildoid gastropods

Fig. 4. Jurassic species originally included in Promathildia (family Gordenelllidae) (see also Fig. 1E, F). A–C. Mathilda janeti Cossmann, 1885 is designated as type species of Promathildia herein; Hérouvillette, France, late Bathonian. A. From Cossmann (1885: pl. 14: 20, 21), with protoconch in lateral (A1) and axial (A2) views. B. Last whorl with aperture; from Cossmann (1885: pl. 14: 19). C. Mathilda janeti Cossmann, 1885; from Cossmann (1885: pl. 14: 18). D. Mathilda reticularis (Piette, 1855), Le Wast, late Bathonian; from Cossmann (1885: pl. 8: 9). E. Mathilda reticularis (Piette, 1855), Rumigny, France, late Bathonian; from Cossmann (1885: pl. 17: 34), lectotype. F. Pterocera cassiope d'Orbigny, 1850, France, Oxfordian; from Piette (1864–91: pl. 35: 4).