those are a seperated names or one name tell a lower category of classification ?
you need to make a coarletion of those name to Soil Taxonomy
with my regards
Prof. Dr. Abdulellah A. Aboghanem
Head of Soil ,Water &Environmental Department
Faculty of Agriculture, Sana’a University, Sana’a Yemen
Telephone:009671441901,Mobile:00967735060520
E-Mail: ghanemsat56@hotmail.com