• These environments are distributed throughout the world .
• These mollusks are world-wide in their distribution ( or are distributed worldwide , or throughout the world ).
• These environments are distributed throughout the world .
• These mollusks are world-wide in their distribution ( or are distributed worldwide , or throughout the world ).
Циммерман М., Веденеева К.. Русско-Английский научно-технический словарь переводчика. Russian-English scientific dictionary for translators. 2012