OCCURRENCE OF THE FAMILY PINNULARIACEAE (BACILLARIOPHYTA) IN VARIOUS DISTRICTS OF THE PUNJAB, PAKISTAN

摘要

Eleven species of 6 diatomaceous genera such as Amphora, Caloneis, Gyrosigma, Mastogloia, Neidium and Stauroneis belonging to the family Pinnulariaceae of the order Bacillriales, class Bacillariophyceae were collected from Gujranwala, Kasur, Lahore, Sialkot districts of the Punjab Province of Pakistan during January-December 2004. They were taxonomically determined and have been described for the first time from their area of collection. Calonies lanceolata, C. silicula and Stauroneis minor are beingreported for the first time from Pakistan.