SubFamily: LENTICERATINAE - Genus: Eulophoceras Hyatt , 1903 † (syn: Pelecodiscus, Skoumalia, Spheniscoceras - DB: 3 SP, 2 IMG)
|
SubFamily: LENTICERATINAE - Genus: Lenticeras Gerhardt , 1898 † (DB: 1 SP, 0 IMG)
|
SubFamily: LENTICERATINAE - Genus: Paralenticeras Karsten, 1856 † (DB: 3 SP, 1 IMG)
|
SubFamily: SPHENODISCINAE - Genus: Coahuilites Böse , 1928 † (DB: 3 SP, 1 IMG)
|
SubFamily: SPHENODISCINAE - Genus: Libycoceras Reyment, 1955 † (DB: 4 SP, 0 IMG)
|
SubFamily: SPHENODISCINAE - Genus: Sphenodiscus Meek , 1871 † (DB: 11 SP, 2 IMG)
|
|
|