25 genera are assigned to the class THYLACOCEPHALA
| Order | Genus | FOP | FOS | LOP | LOS |
|---|
| CONCAVICARIDA | Ankitokazocaris | Tr | l | Tr | l |
| CONCAVICARIDA | Concavicaris | D | Emsi-u | C | Step-l |
| CONCAVICARIDA | Dollocaris | J | Call | J | Tith-l |
| CONCAVICARIDA | Harrycaris | D | Fras-l | D | Fras-l |
| CONCAVICARIDA | incertae sedis | S | Ldov-u | S | Ldov-u |
| CONCAVICARIDA | Microcaris | Tr | Ladi-u | Tr | Nori |
| CONCAVICARIDA | Protozoe | K | Ceno | K | Ceno |
| CONCAVICARIDA | Pseuderichthus | K | Ceno | K | Ceno |
| CONCHYLIOCARIDA | Atropicaris | Tr | Carn-l | Tr | Carn-l |
| CONCHYLIOCARIDA | Austriocaris | Tr | Rhae | Tr | Rhae |
| CONCHYLIOCARIDA | Clausia | J | Call | J | Tith-l |
| CONCHYLIOCARIDA | Clausocaris | J | Tith-l | J | Tith-l |
| CONCHYLIOCARIDA | Convexicaris | C | Mosc-u | C | Mosc-u |
| CONCHYLIOCARIDA | Kilianocaris | J | Call | J | Tith-l |
| CONCHYLIOCARIDA | Ostenocaris | Tr | Olen | J | Sine-l |
| CONCHYLIOCARIDA | Paraostenia | J | Call | J | Call |
| CONCHYLIOCARIDA | Rugocaris | J | Plie-u | J | Plie-u |
| CONCHYLIOCARIDA | Silesicaris | Cm | l | Cm | l |
| CONCHYLIOCARIDA | Yangzicaris | Tr | m | Tr | m |
| INCERTAE SEDIS | Coreocaris | P | l | P | l |
| INCERTAE SEDIS | Dioxycaris | Cm | Boto | Cm | uMid-l |
| INCERTAE SEDIS | Galenocaris | O | Ashg-m | O | Ashg-m |
| INCERTAE SEDIS | Nothozoe | Cm | Boto | O | Cara-l |
| INCERTAE SEDIS | Saccocaris | Cm | u | O | l |
| INCERTAE SEDIS | Tuzoia | Cm | Atda-u | Cm | mMid-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).