| Genus | Anebolithus ♰
HUGHES & WRIGHT, 1970
| 2 | Species |
| Genus | Auritolithus
Holloway, Banks & Banks, 2022
| 0 | Species |
| Genus | Australomyttonia ♰
BALDIS & BALDIS, 1995
| 1 | Species |
| Genus | Bancroftolithus ♰
BALDIS & BALDIS, 1995
| 3 | Species |
| Genus | Bergamia ♰
WHITTARD, 1955
| 13 | Species |
| Genus | Bettonia ♰
WHITTARD, 1956
| 0 | Species |
| Genus | Bettonolithus ♰
Morris, 1988
| 0 | Species |
| Genus | Bohemaspis ♰
HÖRBINGER, 1986 ⇒ Bergamia
| 1 | Species |
| Genus | Botrioides ♰
STETSON, 1927
| 10 | Species |
| Genus | Brandysops ♰
Horbinger, 1986
| 1 | Species |
| Genus | Broeggeria ♰
BANCROFT, 1933 ⇒ Broeggerolithus
| 0 | Species |
| Genus | Broeggerolithus ♰
LAMONT, 1935
| 8 | Species |
| Genus | Ceratolithus ♰
Lu, 1963 ⇒ Ningkianolithus
| 1 | Species |
| Genus | Cochliorrhoe ♰
WHITTARD, 1966 ⇒ Bergamia
| 1 | Species |
| Genus | Costonia ♰
WHITTARD, 1956
| 2 | Species |
| Genus | Cryptolites ♰
Rafinesque, 1832 ⇒ Cryptolithus
| 0 | Species |
| Genus | Cryptolithoides ♰
Whittington, 1941
| 5 | Species |
| Genus | Cryptolithus ♰
Green, 1832
| 24 | Species |
| Genus | Deanaspis ♰
HUGHES & al., 1975
| 14 | Species |
| Genus | Declivolithus ♰
PIBYL & VANK, 1967
| 1 | Species |
| Genus | Decordinaspis ♰
HARPER & ROMANO, 1967
| 1 | Species |
| Genus | Edgellia ♰
Shaw, 1950
| 0 | Species |
| Genus | Eirelithus ♰
LAMONT, 1941
| 1 | Species |
| Genus | Famatinolithus ♰
HARRINGTON & LEANZA, 1957
| 5 | Species |
| Genus | Fandianaspis ♰
Li, 1978
| 6 | Species |
| Genus | Fantasticolithus
Fortey & Gutiérrez-Marco, 2022
| 1 | Species |
| Genus | Furcalithus ♰
Fortey & Owens, 1987
| 2 | Species |
| Genus | Guandacolithus ♰
HARRINGTON & LEANZA, 1957
| 1 | Species |
| Genus | Gymnostomix ♰
Fortey & Owens, 1987
| 1 | Species |
| Genus | Hanchungolithus ♰
Lu, 1954
| 10 | Species |
| Genus | Hexianolithus ♰
ZHANG in QIU & al., 1983 ⇒ Ningkianolithus
| 0 | Species |
| Genus | Huenickenolithus ♰
BALDIS & BALDIS, 1995
| 1 | Species |
| Genus | Ichangolithus ♰
Lu, 1963 ⇒ Hanchungolithus
| 1 | Species |
| Genus | Incaia ♰
WHITTARD, 1955
| 4 | Species |
| Genus | Iputaspis
McCobb & Popov, 2017
| 1 | Species |
| Genus | Jianxilithus ♰
ZHANG & ZHOU in LU & al., 1976
| 1 | Species |
| Genus | Kimakaspis ♰
Ghobadi Pour, 2011
| 1 | Species |
| Genus | Lloydolithus ♰
BANCROFT, 1933
| 1 | Species |
| Genus | Lordshillia ♰
WHITTARD, 1966
| 1 | Species |
| Genus | Marekolithus ♰
Shaw, 1995
| 3 | Species |
| Genus | Marrolithoides ♰
Williams, 1948
| 9 | Species |
| Genus | Marrolithus ♰
BANCROFT, 1929
| 8 | Species |
| Genus | Myinda ♰
STUBBLEFIELD in STUBBLEFIELD & BULMAN, 1927
| 1 | Species |
| Genus | Myindella ♰
HUTCHISON & INGHAM, 1967
| 1 | Species |
| Genus | Myttonia ♰
WHITTARD, 1955
| 2 | Species |
| Genus | Nankinolithus ♰
Lu, 1957
| 2 | Species |
| Genus | Ningkianolithus ♰
Lu, 1954
| 0 | Species |
| Genus | Novaspis ♰
Whittington, 1941
| 1 | Species |
| Genus | Onnia ♰
BANCROFT, 1933
| 4 | Species |
| Genus | Paratretaspis ♰
Dean, 1973
| 1 | Species |
| Genus | Paratrinucleus ♰
Whittington, 1941
| 1 | Species |
| Genus | Parkesolithus ♰
CAMPBELL & DURHAM, 1970
| 1 | Species |
| Genus | Pragolithus ♰
VANK, 1995
| 1 | Species |
| Genus | Protoincaia ♰
BALDIS & BALDIS, 1995
| 1 | Species |
| Genus | Protolloydolithus ♰
Williams, 1948
| 1 | Species |
| Genus | Reedolithus ♰
BANCROFT, 1929
| 2 | Species |
| Genus | Reuscholithus ♰
BANCROFT, 1929
| 1 | Species |
| Genus | Salterolithus ♰
BANCROFT, 1929
| 1 | Species |
| Genus | Smeathenia ♰
Dean, 1960 ⇒ Salterolithus
| 0 | Species |
| Genus | Stapeleyella ♰
WHITTARD, 1955
| 1 | Species |
| Genus | Telaeomarrolithus ♰
Williams, 1948
| 1 | Species |
| Genus | Tetrapsellium ♰
Hawle & Corda, 1847
| 1 | Species |
| Genus | Tretaspis ♰
Mccoy, 1849
| 31 | Species |
| Genus | Trinucleus ♰
MURCHISON, 1839
| 17 | Species |
| Genus | Ulricholithus ♰
BANCROFT, 1949 ⇒ Broeggerolithus
| 0 | Species |
| Genus | Whittardolithus ♰
HUGHES & al., 1975
| 0 | Species |
| Genus | Xiushuilithus ♰
ZHOU in LU & al., 1976
| 1 | Species |
| Genus | Yinjiangolithus ♰
YIN in YIN & LI, 1978 ⇒ Hanchungolithus
| 0 | Species |
| Genus | Yinpanolithus ♰
LU in LU & ZHANG, 1974
| 1 | Species |
