The Bivalvia, in previous centuries referred to as the Lamellibranchiata and Pelecypoda, comprise a class of marine and freshwater molluscs that have laterally compressed bodies enclosed by a shell consisting of two hinged parts.rachiopods are shelled marine organisms that superficially resembled bivalves in that they are of similar size and have a hinged shell in two parts. However, brachiopods evolved from a very different ancestral line, and the resemblance to bivalves only arose because of a similar lifestyle.
An average docter earns 100000 - 150000 dollars a year. There is no question that medical doctors are some of the highest paid specialists in America. A doctor's income can r â¦ ange from 80, 000 dollars a year to 3, 000, 000 dollars a year.Three factors that contribute to this difference in yearly income are a doctor's specialty, affiliation, and ownership in a private practice medical group. Be More Specific It depends on the doctor type (ex: Brain Surgeon, Family doctor etc.) Also, it depends on the period time. Doctors pay varies by speciality, from as little as $40,000 to as much as $500,000 a year or even more. There are private practices, hospital staff, and consultants.
On monthly basis, junior doctor make from $4,247- $9,100. The hourly rate for junior doctor ranges from $22 â $56. Salary of junior doctor on average is around $77,350.n monthly basis, junior doctor make from $4,247- $9,100. The hourly rate for junior doctor ranges from $22 â $56. Salary of junior doctor on average is around $77,350.