Suggested hierarchy:
Mineral skeletal elements
Siliceous skeletal elements
Siliceous spicule
Megasclere
Monaxon
Monact
Style
Acanthostyle
Verticillated acanthostyle
Original issue reported on code.google.com by cmung...@gmail.com on 24 Jun 2013 at 4:30
Original issue reported on code.google.com by
cmung...@gmail.comon 24 Jun 2013 at 4:30