Bibliographic Detail
Soka?, B. & Nikler, L., 1966
Reference:
Soka?, B. & Nikler, L. (1966). Two new species of the genus Petrascula from the Lower Lias of the Velebit mountain. Bulletin scientifique. Conseil des Académies des Sciences et des Arts de la RSF de Yougoslavie 11: 7-8, 1 fig.