NIGERIA
SOKOTO STATE
ON NORTHERN FACE OF BENBOW HILL TO THE SE OF THE VILLAGE OF GILBEDI
DUKAMJE FORMATION
MAASTRICHTIAN STAGE
SENONIAN SUBEPOCH
UPPER GULF EPOCH
LATE CRETACEOUS
STEM: TETRAPODA GOODRICH, 1930
SUPERCLASS: AMNIOTA HAECKEL, 1866
CLASS: REPTILIA LAURENTI, 1768
SUBCLASS: CHELONOMORPHA KUHN, 1960
SUPERCOHORT: TESTUDINES LINNAEUS, 1758
COHORT: CASICHELYDIA emend GAFFNEY & MEYLAN, 1988
MAGNORDER: PLEURODIRA GAFFNEY & MEYLAN, 1988
ORDER: PLEURODIRIDA COPE, 1864
SUBORDER: EUPLEURODIRA GAFFNEY & MEYLAN, 1988
Superfamily: PELOMEDUSOIDES Cope, 1868 Cope, 1868
Family: PELOMEDUSIDAE Cope, 1868
Subfamily: PELOMEDUSINAE Cope, 1868
*Sokotochelys lawanhungudui
*Sokotochelys umarumohammedi
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NIGERIA
SOKOTA STATE
BENBOW HILL
DUKAMAJE FORMATION
MAASTRICHTIAN STAGE
SENONIAN SUBEPOCH
GULF EPOCH
LATE CRETACEOUS
STEM: TETRAPODA GOODRICH, 1930
SUPERCLASS: AMNIOTA HAECKEL, 1866
CLASS: REPTILIA LAURENTI, 1768
SUBCLASS: DIAPSIDA OSBORN, 1903
INFRACLASS: NEODIAPSIDA BENTON, 1985
LEGION: LEPIDOSAUROMORPHA BENTON, 1983
SUBLEGION: LEPIDOSAURIA HAECKEL, 1866 (DUMERIL & BIBRON, 1839)
MAGNORDER: SQUAMATA, OPPEL, 1811
SUPERORDER: LACERTILIA OWEN, 1842
GRANDORDER: SCINCOGEKKONOMORPHA SUKHANOV, 1961
MICRORDER: SCINCOMORPHA CAMP, 1923
ORDER: ANGUIMORPHA FURBRINGER, 1900
SUBORDER: DIPLOGLOSSA COPE, 1864
INFRAORDER: THECAGLOSSA COPE, 1890
PARVORDER: MONSTERSAURIA NORELL & GAO, 1977
Superfamily: VARANOIDEA Gray, 1827 (sensu Camp, 1923)
Family: MOSASAURIDAE Gervais, 1853
Infrafamily: NATANIA
Subfamily: TYLOSAURINAE Williston, 1897
*Goronyosaurus nigeriensis
= Mosasaurus nigeriensis
_____________________________________________________________________________________
NIGERIA
SOKOTO STATE
GILBEDI HILLS
DUKAMAJE FORMATION
MAASTRICHTIAN STAGE
SENONIAN SUBEPOCH
GULF EPOCH
LATE CRETACEOUS
STEM: TETRAPODA GOODRICH, 1930
SUPERCLASS: AMNIOTA HAECKEL, 1866
CLASS: REPTILIA LAURENTI, 1768
SUBCLASS: DIAPSIDA OSBORN, 1903
SUPERLEGION: NEODIAPSIDA BENTON, 1985
LEGION: ARCHOSAUROMORPHA HUENE, 1946
SUPERCOHORT: CRUROTARSI SERENO & ARCUCCI, 1990
COHORT: CROCODYLOTARSI BENTON & CLARK, 1988
MAGNORDER: SUCHIA KREBS, 1974
SUPERORDER: CROCODYLOMORPHA WALKER, 1968
GRANDORDER: CROCODILIFORMES HAY, 1930
MICRORDER: MESOEUROCROCODYLIA WHETSTONE & WHYBROW, 1983
ORDER: MESOSUCHIA EMEND HUXLEY, 1875
PARVORDER: METASUCHIA BENTON & CLARK, 1988
INFRAORDER: TETHYSUCHIA BUFFETAUT, 1982
Family: DYROSAURIDAE de STEFANO, 1903
*Hyposaurus ianwilsoni
= Sokotosuchus ianwilsoni
_____________________________________________________________________________________
NIGERIA
SOKOTA STATE
SUMMIT OF HILL OVERLOOKING VILLAGE OF TAKOKA
DUKAMAJE FORMATION
MAASTRICHTIAN STAGE
SENONIAN SUBEPOCH
GULF EPOCH
LATE CRETACEOUS
STEM: TETRAPODA GOODRICH, 1930
SUPERCLASS: AMNIOTA HAECKEL, 1866
CLASS: REPTILIA LAURENTI, 1768
SUBCLASS: DIAPSIDA OSBORN, 1903
INFRACLASS: NEODIAPSIDA BENTON, 1985
LEGION: LEPIDOSAUROMORPHA BENTON, 1983
SUBLEGION: LEPIDOSAURIA HAECKEL, 1866 (DUMERIL & BIBRON, 1839)
MAGNORDER: SQUAMATA, OPPEL, 1811
SUPERORDER: LACERTILIA OWEN, 1842
GRANDORDER: SCINCOGEKKONOMORPHA SUKHANOV, 1961
MICRORDER: SCINCOMORPHA CAMP, 1923
ORDER: ANGUIMORPHA FURBRINGER, 1900
SUBORDER: DIPLOGLOSSA COPE, 1864
INFRAORDER: THECAGLOSSA COPE, 1890
PARVORDER: MONSTERSAURIA NORELL & GAO, 1977
Superfamily: VARANOIDEA Gray, 1827 (sensu Camp, 1923)
Family: MOSASAURIDAE Gervais, 1853
Infrafamily: NATANIA
Subfamily: TYLOSAURINAE Williston, 1897
Goronyosaurus nigeriensis
= Mosasaurus nigeriensis
_____________________________________________________________________________________
AFRICA
NIGERIA
SOKOTO STATE
KUKAMAJE FORMATION
MAASTRICHTIAN STAGE
SENONIAN SUBEPOCH
UPPER GULF EPOCH
LATE CRETACEOUS
STEM: TETRAPODA GOODRICH, 1930
SUPERCLASS: AMNIOTA HAECKEL, 1866
CLASS: REPTILIA LAURENTI, 1768
SUBCLASS: CHELONOMORPHA KUHN, 1960
SUPERCOHORT: TESTUDINES LINNAEUS, 1758
COHORT: CASICHELYDIA emend GAFFNEY & MEYLAN, 1988
MAGNORDER: PLEURODIRA GAFFNEY & MEYLAN, 1988
ORDER: PLEURODIRIDA COPE, 1864
SUBORDER: EUPLEURODIRA GAFFNEY & MEYLAN, 1988
Superfamily: PELOMEDUSOIDES Cope, 1868 Cope, 1868
Family: PELOMEDUSIDAE Cope, 1868
Gen. sp undescribed
_____________________________________________________________________________________
AFRICA
NIGERIA
SOKOTO STATE
WURNO, GADA, KWORRE, GILBEDI
MAASTRICHTIAN STAGE
SENONIAN SUBEPOCH
UPPER GULF EPOCH
LATE CRETACEOUS
STEM: TETRAPODA GOODRICH, 1930
SUPERCLASS: AMNIOTA HAECKEL, 1866
CLASS: REPTILIA LAURENTI, 1768
SUBCLASS: CHELONOMORPHA KUHN, 1960
SUPERCOHORT: TESTUDINES LINNAEUS, 1758
COHORT: CASICHELYDIA emend GAFFNEY & MEYLAN, 1988
MAGNORDER: PLEURODIRA GAFFNEY & MEYLAN, 1988
ORDER: PLEURODIRIDA COPE, 1864
SUBORDER: EUPLEURODIRA GAFFNEY & MEYLAN, 1988
Superfamily: PELOMEDUSOIDES Cope, 1868 Cope, 1868
Family: PELOMEDUSIDAE Cope, 1868
Subfamily: PELOMEDUSINAE Cope, 1868
Nigeremys group (probably Sokotochelys)
_____________________________________________________________________________________
AFRICA
NIGERIA
SOKOTO STATE
EOCENE EPOCH
MIDDLE PALEOGENE PERIOD
TERTIARY SUBERA
CENOZOIC ERA
STEM: TETRAPODA GOODRICH, 1930
SUPERCLASS: AMNIOTA HAECKEL, 1866
CLASS: REPTILIA LAURENTI, 1768
SUBCLASS: DIAPSIDA OSBORN, 1903
SUPERLEGION: NEODIAPSIDA BENTON, 1985
LEGION: ARCHOSAUROMORPHA HUENE, 1946
SUPERCOHORT: CRUROTARSI SERENO & ARCUCCI, 1990
COHORT: CROCODYLOTARSI BENTON & CLARK, 1988
MAGNORDER: SUCHIA KREBS, 1974
SUPERORDER: CROCODYLOMORPHA WALKER, 1968
GRANDORDER: CROCODILIFORMES HAY, 1930
MICRORDER: MESOEUROCROCODYLIA WHETSTONE & WHYBROW, 1983
ORDER: MESOSUCHIA EMEND HUXLEY, 1875
PARVORDER: METASUCHIA BENTON & CLARK, 1988
INFRAORDER: TETHYSUCHIA BUFFETAUT, 1982
Family: DYROSAURIDAE de STEFANO, 1903
* Dyrosaurus minor
_____________________________________________________________________________________
AFRICA
NIGERIA
SOKOTO STATE
EARLY EOCENE EPOCH
MIDDLE PALEOGENE PERIOD
TERTIARY SUBERA
CENOZOIC ERA
STEM: TETRAPODA GOODRICH, 1930
SUPERCLASS: AMNIOTA HAECKEL, 1866
CLASS: REPTILIA LAURENTI, 1768
SUBCLASS: DIAPSIDA OSBORN, 1903
SUPERLEGION: NEODIAPSIDA BENTON, 1985
LEGION: ARCHOSAUROMORPHA HUENE, 1946
SUPERCOHORT: CRUROTARSI SERENO & ARCUCCI, 1990
COHORT: CROCODYLOTARSI BENTON & CLARK, 1988
MAGNORDER: SUCHIA KREBS, 1974
SUPERORDER: CROCODYLOMORPHA WALKER, 1968
GRANDORDER: CROCODILIFORMES HAY, 1930
MICRORDER: MESOEUROCROCODYLIA WHETSTONE & WHYBROW, 1983
ORDER: MESOSUCHIA EMEND HUXLEY, 1875
PARVORDER: METASUCHIA BENTON & CLARK, 1988
INFRAORDER: TETHYSUCHIA BUFFETAUT, 1982
Family: DYROSAURIDAE de STEFANO, 1903
Hyposaurus nopcsai
= Sokotosaurus nopcsai
Hyposaurus wilsoni
= *Wurnosaurus wilsoni*Rhabdognathus rarus