Thực đơn
Quadrans MuralisThực đơn
Quadrans MuralisLiên quan
Quadrans Muralis Quadrantids Quadrasiella mucronata Quadrasiella clathrata Quadrasiella Quận Ransom, North DakotaTài liệu tham khảo
WikiPedia: Quadrans Muralis http://www.ianridpath.com/startales/quadrans.htm http://www.ianridpath.com/startales/quadranslaland... https://books.google.com.au/books?id=23uBCgAAQBAJ&... https://books.google.com.au/books?id=HnHvAAAAMAAJ&...