Abstract One of nature’s most valuable resources, biodiversity plays a critical role in meeting many human requirements and protecting from environmental extremism conditions. Mollusca benthic invertebrates are important biota aquatic ecosystems need further investigation. The current study highlights some species recorded Al-Delmage Marsh Iraq. points out six Mollusca. These Melanoides tubercu...

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Ul t ras t ruc tura l fibrils consisting of densely packed microfilaments, s imdar in size to the th in filaments of striated muscle, have been observed in the p lasmodium of the acellular slime mold Ph)'sarum pol)'cephalum (Rhea, 1966; Wohl fa r th Bot termann, 1964) A prote in wi th sedimenta t ion characteristics and ATPase activity typical of muscle myosin is also extractable f rom shme mol...