Document Type : Original Research Paper

Authors

1 M. Sc., Department of Geology, Faculty of Earth Science, Shahid Beheshti University, Tehran, Iran

2 Associate Professor, Department of Geology, Faculty of Earth Science, Shahid Beheshti University, Tehran, Iran

3 Ph.D., Department of Geology, Faculty of Earth Science, Shahid Beheshti University, Tehran, Iran

Abstract

Coexistence between hydroid Protulophila gestroi Rovereto, 1901 and family Serpulidea have been reported from many localies in Europe (England, France, Germany,…) and Middle East (Syria) from Middle Jurassic (Bajocian) to Pliocene. In this study coexistence for the first time in Iran and second time in Middle East are reported. The symbiont in Debarsu formation at Haftuman region in south west of  Khur city has been identified. Debarsu formation with age of Early-Middle Cenomanian contains a rich collection of coexistence hydroid Protulophila gestroi with serpulid Rotulispira at 225 m from their base. 

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