Vörös A. szerk.: Fragmenta Mineralogica Et Palaentologica 15. 1992. (Budapest, 1992)

Text-fig. 38 - Transverse serial sections of Securina partschi manuscript, however Oppel (1861) described this species in conformity with the rules. Fucini's specimen (1895, pl.7, fig.20) seems to be misidentified as the beak ridges are absent and the width is greater than the length. De Gregorio (1930) described Terebratulapropesecuriformis as a new species but, judged from his figure, his specimen can be put in synonymy with S. partschi. Distribution: According to Aimeras (1964), S. partschi is Sinemurian in age. Vörös (1982) mentioned this species from the Upper Sinemurian and the Stokesi