16 genera are assigned to the class HOMOIOSTELEA
| Order | Genus | FOP | FOS | LOP | LOS |
|---|
| SOLUTA | Belemnocystites | O | Cara-m | O | Cara-m |
| SOLUTA | Castericystis | Cm | uMid-l | Cm | uMid-m |
| SOLUTA | Coleicarpus | Cm | uMid | Cm | uMid |
| SOLUTA | Dalejocystis | D | Emsi-u | D | Eife |
| SOLUTA | Dehmicystis | D | Emsi-l | D | Emsi-l |
| SOLUTA | Dendrocystites | O | Trem-u | O | Ashg-l |
| SOLUTA | Dendrocystoides | O | Ashg-m | O | Ashg-m |
| SOLUTA | Girvanicystis | O | Ashg-m | O | Ashg-m |
| SOLUTA | Heckericystis | O | Llde-u | O | Llde-u |
| SOLUTA | incertae sedis | Cm | Tojo | Cm | Tojo |
| SOLUTA | Iowacystis | O | Ashg-l | O | Ashg-l |
| SOLUTA | Minervaecystis | Cm | Trep | O | Trem-u |
| SOLUTA | Myeinocystites | O | Cara-l | O | Cara-m |
| SOLUTA | Rutroclypeus | D | Gedi | D | Sieg |
| SOLUTA | Scalenocystites | O | Cara-m | O | Cara-m |
| SOLUTA | Syringocrinus | O | Cara-m | O | Cara-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).