كتب ذات صلة

A monograph of the fluviatile bivalve shells of the river Ohio

An illustrated and descriptive catalogue of recent bivalve shells

Natural history of economic mollusks of the United States.

• The Bryozoa of the Lower Silurian in Minnesota
  المؤلفون: Ulrich, Edward Oscar
• The Lower Silurian Lamellibranchiata of Minnesota
  المؤلفون: Ulrich, Edward Oscar