15 genera are assigned to the class MACHAERIDIA
| Order | Genus | FOP | FOS | LOP | LOS |
|---|
| HERCOLEPADIDA | Aenigmatectus | C | Serp-l | C | Mosc-u |
| HERCOLEPADIDA | Hercolepas | S | Wenl-l | S | Wenl-l |
| HERCOLEPADIDA | Protobalanus | D | Eife-u | D | Eife-u |
| LEPIDOCOLEOMORPHA | Carnicoleus | S | Ludl | S | Ludl |
| LEPIDOCOLEOMORPHA | Clarkeolepis | O | Cara-l | C | Step-u |
| LEPIDOCOLEOMORPHA | Compacoleus | O | Llvi | C | Tour |
| LEPIDOCOLEOMORPHA | Lepidocoleus | O | Cara-u | S | Wenl-u |
| LEPIDOCOLEOMORPHA | Plumulites | O | Trem-u | C | Tour |
| LEPIDOCOLEOMORPHA | Sokolophocoleus | O | m | O | m |
| LEPIDOCOLEOMORPHA | Turrilepas | S | Ldov-u | P | Leon |
| TURRILEPADIDA | Ambonlepidos | C | Mosc-l | C | Step-u |
| TURRILEPADIDA | Aulakolepos | O | Llvi-u | D | Give |
| TURRILEPADIDA | Deltacoleus | O | Aren-u | O | Ashg-l |
| TURRILEPADIDA | Mojczalepas | O | Aren-u | O | Ashg-l |
| TURRILEPADIDA | Plicacoleus | O | Aren-u | O | Cara-l |
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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).