Figure 1. Images of some of the the key genera discussed in this report. 1.1. Axial section of Pellatispira Boussac 1906 from a sample from the east arm of Halmahera near Bicoli (Bitjoli). Image is 3 mm across. 1.2. In the same thin section as Pellatispira left are specimens of Alveolina díOrbigny 1939 and Assilina díOrbigny 1926 [s.l., this form referrable to Planocamerinoides Cole 1957 of some authors]. This is the flattened microfossil left of center in this image. 1.3. Assilina díOrbigny 1926 [sensu lato, this form referrable to Planocamerinoides Cole 1957 of some authors]. Sample from the Bagelen Beds at Worowari, Central Java, personal collection. 1.4. Reproduced out of DouvillÈ 1912, from Nias. Assilina sp. This is now considered Assilina s.s. with no spiral sheets extending to the umbonal areas.

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