15 genera are assigned to the class MACHAERIDIA

OrderGenusFOPFOSLOPLOS
HERCOLEPADIDAAenigmatectusCSerp-lCMosc-u
HERCOLEPADIDAHercolepasSWenl-lSWenl-l
HERCOLEPADIDAProtobalanusDEife-uDEife-u
LEPIDOCOLEOMORPHACarnicoleusSLudlSLudl
LEPIDOCOLEOMORPHAClarkeolepisOCara-lCStep-u
LEPIDOCOLEOMORPHACompacoleusOLlviCTour
LEPIDOCOLEOMORPHALepidocoleusOCara-uSWenl-u
LEPIDOCOLEOMORPHAPlumulitesOTrem-uCTour
LEPIDOCOLEOMORPHASokolophocoleusOmOm
LEPIDOCOLEOMORPHATurrilepasSLdov-uPLeon
TURRILEPADIDAAmbonlepidosCMosc-lCStep-u
TURRILEPADIDAAulakoleposOLlvi-uDGive
TURRILEPADIDADeltacoleusOAren-uOAshg-l
TURRILEPADIDAMojczalepasOAren-uOAshg-l
TURRILEPADIDAPlicacoleusOAren-uOCara-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).