Quadrella aff. boopsis – synonym of Quadrella boopsis
Quadrella bispinosa – synonym of Quadrella boopsis
Quadrella boopsis boopsis – synonym of Quadrella boopsis
Quadrella boopsis granulosa – synonym of Quadrella coronata
Quadrella coronata coronata – synonym of Quadrella coronata
Quadrella coronata reticulata – synonym of Quadrella reticulata
Quadrella coronata var. granulosa – synonym of Quadrella coronata
Quadrella coronata var. maculosa – synonym of Quadrella maculosa
Quadrella coronata var. reticulata – synonym of Quadrella reticulata
Quadrella cyrenae – synonym of Quadrella maculosa
Quadrella granulosa – synonym of Quadrella coronata
Quadrella lewinsohni – synonym of Quadrella serenei
Quadrella sp. – synonym of Quadrella serenei