New Calloporid (Bryozoa, Cheilostomata) Species from Tertiary Sequences of Western Kachchh, Gujarat

Eight cheilostomate bryozoan species (Aplousina sp., Copidozourzt feddeni n, sp., Crassimarginatella blanfordi n. sp., C. ukirensis n. sp., Marginaria sengrrptai n. sp., Planicellaria kharaiertsis n. sp., P. naliyaensis n. sp. and Reptoporina chhasraensis n. sp. belonging to the family Calloporidae Norman, 1903 are described and jllustsated for the first time from the Tertiary (Lutetian to Aquitanian) sequences of western Kachchh, Gujarat. In the Tertiary bryozoan assemblages of this area, tRis family has the highest generic diversity.