cambrian sediments are widely exposed in the kerman province. parts of these deposits are containing trilobite fossils. one of the suitable areas for paleontological studies is kamar siah section. this section located about 60 km north east of kerman. these sediments have 200 m thickness with fossil invertebrates of trilobites, brachiopod, gastropods and stromatolite which includes kuhbanan and...

The genus Hybos Meigen in Thailand is revised and full descriptions and keys provided for all 41 species. Thirty-four new species are recognized: H. aceriformis sp. nov., H. ancyclochiles sp. nov., H. anisoserratus sp. nov., H. bispinatus sp. nov., H. chaweewani sp. nov., H. daugeroni sp. nov., H. divisus sp. nov., H. grootaerti sp. nov., H. hylobates sp. nov., H. inthanonensis sp. nov., H. kal...

parasitic infection of pampus argenteus was examined from northwest of qeshm island. a total of 62 specimens were caught in summer 2008 and winter 2009 by bottom trawl and the specimens were selected randomly in different length classes and immediately deep frozen. all samples were transferred to laboratory, after measuring fish weight and length, parasitological survey implemented by stereo an...

carboniferous corals of sardar formation, in zeludu stratigraphic section (in ozbak kuh mountains) was studied. after selected of 50 specimens of coral fossils, from first band of corals, 9 species belong to 5 genera from rugosa and tabulata corals with late serpukhovian age were identified. these corals are included following species: heritschioides pseudosolitarius, heritschioides vepres, her...

conclusions the crude extract of streptomyces sp. acs52 had high antibacterial activity against a wide spectrum of bacteria and could be of interest due to its features such as ability to grow at low temperatures and alkaline ph levels. results streptomyces sp. acs52 is a cold-resistant alkalophilic bacterium strain with antibacterial activity against a broad spectrum of pathogenic bacteria. th...