Apheloria intermedia Hoffman, 1948 accepted as
Sigmoria intermedia (Hoffman, 1948) (status source)
Fontaria rubromarginata Bollman, 1887 accepted as
Sigmoria rubromarginata (Bollman, 1887) (new combination reference)
Sigmoria areolata Shelley, 1981 (original description)
Sigmoria austrimontis Shelley, 1981 (original description)
Sigmoria bidens (Causey, 1942) (additional source)
Sigmoria disjuncta Shelley, 1981 (original description)
Sigmoria fumimontis Shelley, 1981 (original description)
Sigmoria hoffmani Shelley, 1976 (additional source)
Sigmoria inornata Shelley, 1981 (original description)
Sigmoria laticurvosa Shelley, 1981 (original description)
Sigmoria leucostriata Shelley, 1981 (original description)
Sigmoria lyrea Shelley, 1981 (original description)
Sigmoria munda Chamberlin, 1939 (status source)
Sigmoria nantahalae Hoffman, 1958 (additional source)
Sigmoria nigrimontis angulosa Shelley, 1981 (original description)
Sigmoria nigrimontis unicoi Shelley, 1981 (original description)
Sigmoria quadrata Shelley, 1981 (original description)
Sigmoria rubromarginata austrimontis Shelley, 1981 (original description)
Sigmoria sigirioides Shelley, 1981 (original description)
Sigmoria simplex Shelley, 1981 (original description)
Sigmoria stenogon Chamberlin, 1942 (additional source)
Sigmoria stenoloba Shelley, 1981 (original description)
Sigmoria stibarophalla Shelley, 1981 (original description)
Sigmoria translineata Shelley, 1981 (original description)
Sigmoria triangulata Shelley, 1981 (original description)
Sigmoria truncata Shelley, 1981 (original description)
Sigmoria tuberosa Shelley, 1981 (original description)
Sigmoria xerophylla Shelley, 1981 (original description)
North Carolina for
Sigmoria areolata Shelley, 1981
North Carolina for
Sigmoria austrimontis Shelley, 1981
North Carolina for
Sigmoria inornata Shelley, 1981
North Carolina for
Sigmoria sigirioides Shelley, 1981
North Carolina for
Sigmoria simplex Shelley, 1981
North Carolina for
Sigmoria stenoloba Shelley, 1981
North Carolina for
Sigmoria stibarophalla Shelley, 1981
North Carolina for
Sigmoria triangulata Shelley, 1981
North Carolina for
Sigmoria truncata Shelley, 1981
North Carolina for
Sigmoria tuberosa Shelley, 1981
South Carolina for
Sigmoria disjuncta Shelley, 1981
South Carolina for
Sigmoria laticurvosa Shelley, 1981
South Carolina for
Sigmoria quadrata Shelley, 1981
Tennessee for
Sigmoria fumimontis Shelley, 1981
Tennessee for
Sigmoria leucostriata Shelley, 1981
Tennessee for
Sigmoria lyrea Shelley, 1981
Tennessee for
Sigmoria translineata Shelley, 1981
Tennessee for
Sigmoria xerophylla Shelley, 1981