Genus: Laganosuchus SERENO & LARSSON, 2009
Etymology: Greek, laganon, "pancake" and Greek, souchos, "crocodile"; named for the shallow depth of the skull.
Species: thaumastos SERENO & LARSSON, 2009
Etymology: Greek, thaumastos, "astonishing"; named for the remarkable slender depth of the lower jaws and its straight spike-shaped teeth.
Holotype: MNN IGU13
Locality: Iguidi, west of In Abangharit, Agadez District, N17°56', E5°37", Niger.
Horizon: Echkar Formation, Tegama Group (Series).
Age: Cenomanian Stage, Upper Gallic subepoch, Lowest Gulf Epoch, Late Early to Early Middle Cretaceous.
Material: Nearly complete lower jaw missing only the left retroarticular process.
Species: maghrebensis SERENO & LARSSON, 2009
Etymology: Arabic, maghreb, "western" and Latin, -ensis, "from"; named for the area where the holotype was discovered in the Kem Kem Beds of southeastern Morocco.
Holotype: UCRC PV2
Locality: Unknown, Er Rachidia District, Eastern Morocco.
Horizon: Kem Kem Beds.
Age: Cenomanian Stage, Upper Gallic Subepoch, Lowermost Gulf Epoch, Middle Cretaceous.
Material: Anterior portion of the left dentary preserving four alveoli and one replacement tooth in the anteriormost tooth position.
CMN 50838: Anterior left dentary fragment preserving the symphyseal end of alveoli 1-3.
?Laganosuchus maghrebensis BENYOUCEF, LANG, CAVIN, MEBARKI, ADACI & BENSALAH, 2015
Locality: Menaguir, Guir Basin, Western Algeria.
Horizon: "Gres Rouges" Formation.
Age: Cenomanian-Lower Turonian Stage, Gallic Subepoch, Early Cretaceous Epoch, Middle Cretaceous.
UTL25-MN1-10: 12 teeth.