Orthaulax
''Orthaulax'' is an extinct genus of sea snails in the family Strombidae. Description Orthaulax have spires and spiral lines, which vary based on species and age of the specimen. Initially, Orthaulax was thought to not show signs of variation in color, but it has later been discovered that colored patterns can be seen on non-eroded specimens of Orthaulax when they are shined with an ultraviolet light. Geology Its fossils are most often found in areas with high lime (material), lime content. Examples of Orthaulax have been dated to the Oligocene and Miocene. Species *''Orthaulax aguadillensis, O. aguadillensis'' (Carlotta Maury, Maury, 1920) *''Orthaulax altilis, O. altilis'' (Henry Augustus Pilsbry, Pilsbry, 1922) *''Orthaulax bermudezi, O. bermudezi'' (Clench and Aguayo, 1939) *''Orthaulax brasiliensis, O. brasiliensis'' (Carlotta Maury, Maury, 1925) *''Orthaulax caepa, O. caepa'' (C. W. Cooke, Cooke, 1921) *''Orthaulax conoides, O. conoides'' (Wendell Woodring, Woodring, 192 ...
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