Fig 4. a-b in Parurgonina Valanginiana N. Sp. From The Valanginian Of Sw Iran (Zagros Zone): The First Cretaceous Record Of The Genus

Fig 4. a-b. Parurgonina caelinensis (Cuvillier et al.), (modified from Velić, 2007, pl. 10, figs. 10-11) from the Upper Jurassic of Croatia and Parurgonina valanginiana sp. nov. (c.) from the Lower Cretaceous of Iran. Red dotted lines mark the septa of the rectilinear chambers.