73 genera are assigned to the class RHOMBIFERA

Order	Genus	FOP	FOS	LOP	LOS
uncertain	Acantholepis	O	Cara-m	O	Ashg-m
uncertain	Adocetocystis	D	Fras	D	Fras
uncertain	Amecystis	O	Cara-l	O	Cara-u
uncertain	Anartiocystis	S	Ldov-m	S	Ldov-m
uncertain	Apiocystites	S	Wenl-u	S	Wenl-u
uncertain	Arachnocystites	O	m	O	m
uncertain	Brockocystis	S	Ldov-m	S	Ldov-m
uncertain	Callocystites	S	Wenl-l	S	Wenl-l
uncertain	Caryocrinites	O	Llde	S	Ludl
uncertain	Caryocystites	O	Cara-m	O	Cara-m
uncertain	Cheirocrinus	O	Aren-u	S	Wenl-u
uncertain	Cheirocystella	O	Trem-u	O	Aren-l
uncertain	Cheirocystis	O	Aren-u	O	Cara-l
uncertain	Coelocystis	S	Wenl	S	Ludl
uncertain	Coronocystis	O	Llde-u	O	Cara-l
uncertain	Corylocrinus	O	Cara	O	Cara
uncertain	Cuniculocystis	O	Aren-l	O	Aren-l
uncertain	Cystoblastus	O	Llde-l	O	Llde-u
uncertain	Deltacystis	O	Llvi-l	O	Llvi-l
uncertain	Echinoencrinites	O	Aren-u	O	Aren-u
uncertain	Echinosphaerites	O	Aren-u	O	Ashg-m
uncertain	Erinocystis	O	Aren-u	O	Aren-u
uncertain	Eutretocystis	O	m	O	m
uncertain	Glansicystis	S	Wenl-u	S	Wenl-u
uncertain	Glaphyrocystis	O	u	O	u
uncertain	Glyptocystella	O	Cara-l	O	Cara-l
uncertain	Glyptocystites	O	Cara-m	O	Cara-m
uncertain	Hadrocystis	O	Llvi-u	O	Cara-m
uncertain	Hallicystis	S	Wenl	S	Ludl
uncertain	Heliocrinites	O	Aren-u	O	Ashg-u
uncertain	Hemicosmites	O	Llvi-l	O	Ashg-u
uncertain	Hesperocystis	O	Cara-l	O	Cara-l
uncertain	Heterocystites	S	Wenl	S	Wenl
uncertain	Homocystites	O	Cara-m	S	Ldov
uncertain	Jaekelocystis	S	Prid	S	Prid
uncertain	Juglandocrinus	O	Cara	O	Cara
uncertain	Lepadocystis	O	Ashg-m	O	Ashg-m
uncertain	Lepocrinites	S	Prid	D	Gedi-l
uncertain	Leptocystis	O	Aren-u	S	Wenl
uncertain	Lingulocystis	O	Llvi	O	Llvi
uncertain	Lipsanocystis	D	Give-l	D	Give-l
uncertain	Lovenicystis	S	Ludl-u	S	Ludl-u
uncertain	Macrocystella	O	Trem-l	O	Llde
uncertain	Mimocystites	O	Cara-l	O	Cara-l
uncertain	Oocystis	O	Cara	O	Cara
uncertain	Orocystites	O	m	O	Cara-m
uncertain	Osculocystis	S	Ldov-u	S	Ldov-u
uncertain	Pirocystella	O	Cara-l	O	Cara-l
uncertain	Plethoschisma	O	Llvi-l	O	Llvi-l
uncertain	Pleurocystites	O	Cara-l	O	Ashg-m
uncertain	Polycosmites	O	Llvi	O	Llvi
uncertain	Praepleurocystis	O	Cara-l	O	Cara-m
uncertain	Protocystis	O	Aren-u	O	Aren-u
uncertain	Prunocystites	S	Wenl-u	S	Wenl-u
uncertain	Pseudocrinites	S	Wenl-u	D	Gedi-l
uncertain	Ptychocosmites	O	u	O	u
uncertain	Pygecystis	O	Ashg-m	O	Ashg-m
uncertain	Regulaecystis	O	Cara-l	D	Eife
uncertain	Rhipidocystis	O	Aren-u	O	Cara-l
uncertain	Rhombifera	O	Llde-u	O	Cara-u
uncertain	Schizocystis	S	Wenl-l	S	Wenl-l
uncertain	Scoliocystis	O	Aren-u	O	Aren-u
uncertain	Sphaerocystites	S	Prid	D	Gedi-l
uncertain	Staurocystis	S	Wenl-u	S	Wenl-u
uncertain	Stichocystis	O	Llde	O	Cara-m
uncertain	Stribalocystites	S	Wenl	D	Gedi
uncertain	Strobilocystites	D	Give-u	D	Fras
uncertain	Tanaocystis	O	Cara-l	O	Cara-u
uncertain	Tetracystis	S	Wenl-u	S	Prid
uncertain	Thomacystis	O	Ashg-m	O	Ashg-m
uncertain	Tricosmites	O	Ashg-m	O	Ashg-m
uncertain	Tyrridiocystis	D	Gedi	D	Gedi
uncertain	Ulrichocystis	O	m	O	m

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FOP = Period of first occurrence
FOS = Stage of first occurrence
LOP = Period of last occurrence
LOS = Stage of last occurrence

Stage abbreviations follow Sepkoski (2002).