The Thyreocoridae are a family of shield bugs, known by common names that include negro bugs or ebony bugs. Historically, a few authors have called this family "Corimelaenidae" (e.g.), but the name Thyreocoridae, published in 1843, has nomenclatural priority over Corimelaenidae, published in 1872. Other classifications have placed them as a subfamily within the broad family Cydnidae.

Genera: There has been disagreement about how to treat subfamilies within the Thyreocoridae.

• Alkindus Distant, 1889
• Amyssonotum Horváth, 1919
• Carrabas Distant, 1908
• Corimelaena White, 1839
• Cydnoides Malloch, 1919
• Eumetopia Westwood, 1838
• Galgupha Amyot & Serville, 1843
• Godmania Horváth, 1919
• Pericrepis Horváth, 1919
• Pruhleria McAtee & Malloch, 1933
• Strombosoma Amyot & Serville, 1843
• Thyreocoris Schrank, 1801