A large number of House members were conspicuously absent from votes amid Super Tuesday primaries in their states.

A total of 52 lawmakers skipped the day’s two House roll-call votes to name post offices. More than half hail from states with contests at stake on Tuesday, including their own primary races for reelection.

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Twenty-two members of the Texas delegation were among those missing in action, including several Republicans who face primary challenges, like House Ways and Means Committee Chairman Kevin BradyKevin Patrick BradyTreasury to miss Dem deadline for Trump tax returns Treasury expected to miss Dem deadline on Trump tax returns Mnuchin tells Congress it's 'premature' to talk about Trump tax returns decision MORE, Republican Study Committee Chairman Bill FloresWilliam (Bill) Hose FloresOvernight Energy: GOP lawmaker parodies Green New Deal in new bill | House Republicans accuse Dems of ramming through climate bill | Park Service chief grilled over shutdown House Republicans accuse Dems of ramming through climate bill Seven Republicans vote against naming post office after ex-Rep. Louise Slaughter MORE and House Rules Committee Chairman Pete Sessions.

Alabama Republican Reps. Bradley Byrne and Martha RobyMartha Dubina RobyOcasio-Cortez: 'I was stopped because it was assumed I was an intern' Insurgency shakes up Democratic establishment Dem House candidate claims Russians tried to hack campaign website MORE, who both have primary challengers, also didn’t attend Tuesday’s votes either.

GOP leaders kept Tuesday's House floor schedule relatively light: 11 out of 12 bills slated for consideration were for naming federal buildings.