MONGOLIA

TRANS-ALTAI GOBI

NOGOON TSAV

NEMEGT SVITA

LOWER MAASTRICHTIAN STAGE

LOWER SENONIAN SUBEPOCH

LOWER 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: METAMESOSUCHIA HULKE, 1878

NEOSUCHIA CLARK, IN BENTON & CLARK, 1988

Family: PARALLIGAOTRIDAE Konjukova, 1954

*Shamosuchus tersus

CLASS: AVES LINNAEUS, 1758

SUBCLASS: SAURORNITHES NICHOLSON, 1879

AVEBREVICAUDA PAUL, 2001

INFRACLASS: ORNITHOTHORACES NOVA

LEGION: ORNITHURAE NOVA

COHORT: ENANTIORNITHES NOVA

SUPERORDER: EUENANTIORNITHES CHIAPPE, 2002

ORDER: ALEXORNITHIFORMES BRODKORB, 1976

Family: ALEXORNITHIDAE Brodkorb, 1976

Gen. sp indet.

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