AFRICA

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

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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

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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

 

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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)

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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

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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