TEXAS
BREWSTER COUNTY
BIG BEND NATIONAL PARK
SOUTHEAST OF PANTHER JUNCTION
WESTERN FLANK OF TORNILLO CREEK
AGUJA FORMATION
CAMPANIAN STAGE
MIDDLE SENONIAN SUBEPOCH
UPPER GULF EPOCH
LATE CRETACEOUS
STEM: TETRAPODA GOODRICH, 1930
SUPERCLASS: AMNIOTA HAECKEL, 1866
CLASS: REPTILIA LAURENTI, 1768
SUBCLASS: DIAPSIDA OSBORN, 1904
SUPERLEGION: NEODIAPSIDA BENTON, 1985
LEGION: ARCHOSAUROMORPHA HUENE, 1946
SUBLEGION: DINOSAUROMORPHA BENTON & NORMAN IN BENTON, 1985
INFRALEGION: DINOSAURIFORMES NOVAS, 1992
SUPERCOHORT: DINOSAURIA OWEN, 1842
COHORT: ORNITHISCHIFORMES COOPER, 1985
MAGNORDER: ORNITHISCHIA SEELEY, 1888
SUPERORDER: NEORNITHISCHIA COOPER, 1985
GRANDORDER: ORNITHOPODA MARSH, 1871
MICRORDER: MARGINOCEPHALIA SERENO, 1986
ORDER: PACHYCEPHALOSAURIA MARYANSKA & OSMOLSKA, 1974
SUBORDER: DOMOCEPHALINIA SERENO, 1986
INFRAORDER: PACHYCEPHALOSAURIA (MARYANSKA & OSMOLSKA, 1974) COOPER, 1985
Family: PACHYCEPHALOSAURIDAE Sternberg, 1945
Gen. sp indet.
_____________________________________________________________________________________
TEXAS
BREWSTER COUNTY
BIG BEND NATIONAL PARK
NEAR TALLEY MOUNTAIN
UPPER AGUJA FORMATION
EDMONTONIAN AGE
UPPER CAMPANIAN STAGE- LOWER MAASTRICHTIAN STAGE
SENONIAN SUBEPOCH
UPPER GULF EPOCH
LATE CRETACEOUS
STEM: TETRAPODA GOODRICH, 1930
SUPERCLASS: AMNIOTA HAECKEL, 1866
CLASS: REPTILIA LAURENTI, 1768
SUBCLASS: DIAPSIDA OSBORN, 1904
INFRACLASS: NEODIAPSIDA BENTON, 1985
LEGION: LEPIDOSAUROMORPHA DUMERIL & BIBRON, 1839
SUBLEGION: LEPIDOSAURIA HAECKEL, 1866 (DUMERIL & BIBRON, 1839)
MAGNORDER: SQUAMATA OPPEL, 1811
SUPERORDER: LACERTILIA OWEN, 1842
GRANDORDER: ASCALABOTA GILMORE, 1928
ORDER: IGUANIA LATREILLE, 1825
SUBORDER: DRACOMORPHA NORTHCUTT, 1978
INFRAORDER: TEIUMORPHA ALIFANOV, 2000
Family: TEIIDAE Gray, 1827
Subfamily: CHAMOPSINAE Denton & O’Neill 1995
Chamops sp
Leptochamops
SUBORDER: ACRODONTIA COPE, 1864
INFRAORDER: AGAMOGNATHA EMEND ALIFANOV, 2000
PARVORDER: POLYGLYPHANODONTIA EMEND ALIFANOV, 2000
Family: ADAMISAURIDAE Sulimski, 1978
Peneteius sp
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: EUSUCHIA emend HUXLEY, 1875
INFRAORDER: CROCODYLIA emend GMELIN, 1877
PARVORDER: BREVIROSTRES
Superfamily: ALLIGATORIDEA Buffetaut, 1985
GLOBIDONTA BROUCHU, 1999
Family: ALLIGATORIDAE Gray, 1844
Brachychampsa sp
Deinosuchus sp
____________________________________________________________________________________
TEXAS
BREWSTER COUNTY
BIG BEND NATIONAL PARK
RATTLESNAKE MOUNTAIN MICROSITE
LSUMNS VL-726
UPPER AGUJA FORMATION
EDMONTONIAN AGE
UPPER CAMPANIAN STAGE- LOWER 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
MAGANORDER: CRYPTODIRA GAFFNEY & MEYLAN, 1988
SUPERORDER: SELMACRYPTODIRA GAFFNEY, HUTCHISON, JENKINS & MEEKR, 1987
GRANDORDER: DAIOCRYPTODIRA GAFFNEY & MEYLAN, 1988
MICRORDER: EUCRYPTODIRA GAFFNEY, 1975
Family: KINOSTERNIDAE Agassiz, 1857
Cf. Hoplochelys sp
MICRORDER: BAENOIDEA WILLIAMS, 1960
Family: BAENIDAE Cope, 1882
Incertae sedis
Gen. sp indet.
MICRORDER: CENTROCRYPTODIRA GAFFNEY & MEYLAN, 1988
ORDER: POLYCRPTODIRA GAFFNEY & MEYLAN, 1988
SUBORDER: CHELYDROIDEA AGASSIZ, 1857
INFRAORDER: CHELOMACRYPTODIRA GAFFNEY & MEYLAN, 1988
PARVORDER: TRIONYCHIDA GRAY, 1870
Superfamily: TRIONYCHIDEA Bell, 1828 (sensu Gray, 1870)
Family: TRIONYCHIDAE Bell, 1828
Helopanoplia sp
Gen. sp indet.
Family: NANHSIUNGCHELYIDAE Yeh, 1966
Basilemys sp
Family: ADOCIDAE Cope, 1870
Adocus sp
____________________________________________________________________________________
TEXAS
BREWSTER COUNTY
BIG BEND NATIONAL PARK
RATTLESNAKE MOUNTAIN MICROSITE
LSUMNS VL-746
UPPER AGUJA FORMATION
EDMONTONIAN AGE
UPPER CAMPANIAN STAGE- LOWER 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
MAGANORDER: CRYPTODIRA GAFFNEY & MEYLAN, 1988
SUPERORDER: SELMACRYPTODIRA GAFFNEY, HUTCHISON, JENKINS & MEEKR, 1987
GRANDORDER: DAIOCRYPTODIRA GAFFNEY & MEYLAN, 1988
MICRORDER: EUCRYPTODIRA GAFFNEY, 1975
Family: KINOSTERNIDAE Agassiz, 1857
Cf. Hoplochelys sp
MICRORDER: BAENOIDEA WILLIAMS, 1960
Family: BAENIDAE Cope, 1882
Incertae sedis
Gen. sp indet.
MICRORDER: CENTROCRYPTODIRA GAFFNEY & MEYLAN, 1988
ORDER: POLYCRPTODIRA GAFFNEY & MEYLAN, 1988
SUBORDER: CHELYDROIDEA AGASSIZ, 1857
INFRAORDER: CHELOMACRYPTODIRA GAFFNEY & MEYLAN, 1988
PARVORDER: TRIONYCHIDA GRAY, 1870
Superfamily: TRIONYCHIDEA Bell, 1828 (sensu Gray, 1870)
Family: TRIONYCHIDAE Bell, 1828
Helopanoplia sp
Gen. sp indet.
Family: NANHSIUNGCHELYIDAE Yeh, 1966
Basilemys sp
Family: ADOCIDAE Cope, 1870
Adocus sp
____________________________________________________________________________________
TEXAS
BREWSTER COUNTY
BIG BEND NATIONAL PARK
RATTLESNAKE MOUNTAIN MICROSITE
LSUMNS VL-747
UPPER AGUJA FORMATION
EDMONTONIAN AGE
UPPER CAMPANIAN STAGE- LOWER 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
MAGANORDER: CRYPTODIRA GAFFNEY & MEYLAN, 1988
SUPERORDER: SELMACRYPTODIRA GAFFNEY, HUTCHISON, JENKINS & MEEKR, 1987
GRANDORDER: DAIOCRYPTODIRA GAFFNEY & MEYLAN, 1988
MICRORDER: CENTROCRYPTODIRA GAFFNEY & MEYLAN, 1988
ORDER: POLYCRPTODIRA GAFFNEY & MEYLAN, 1988
SUBORDER: CHELYDROIDEA AGASSIZ, 1857
INFRAORDER: CHELOMACRYPTODIRA GAFFNEY & MEYLAN, 1988
PARVORDER: TRIONYCHIDA GRAY, 1870
Superfamily: TRIONYCHIDEA Bell, 1828 (sensu Gray, 1870)
Family: TRIONYCHIDAE Bell, 1828
Gen. sp indet.
Family: ADOCIDAE Cope, 1870
Adocus sp
____________________________________________________________________________________
TEXAS
BREWSTER COUNTY
BIG BEND NATIONAL PARK
RATTLESNAKE MOUNTAIN MICROSITE
LSUMNS VL-833
UPPER AGUJA FORMATION
EDMONTONIAN AGE
UPPER CAMPANIAN STAGE- LOWER 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
MAGANORDER: CRYPTODIRA GAFFNEY & MEYLAN, 1988
SUPERORDER: SELMACRYPTODIRA GAFFNEY, HUTCHISON, JENKINS & MEEKR, 1987
GRANDORDER: DAIOCRYPTODIRA GAFFNEY & MEYLAN, 1988
MICRORDER: CENTROCRYPTODIRA GAFFNEY & MEYLAN, 1988
ORDER: POLYCRPTODIRA GAFFNEY & MEYLAN, 1988
SUBORDER: CHELYDROIDEA AGASSIZ, 1857
INFRAORDER: CHELOMACRYPTODIRA GAFFNEY & MEYLAN, 1988
PARVORDER: TRIONYCHIDA GRAY, 1870
Superfamily: TRIONYCHIDEA Bell, 1828 (sensu Gray, 1870)
Family: NANHSIUNGCHELYIDAE Yeh, 1966
Basilemys sp
Family: TRIONYCHIDAE Bell, 1828
Helopanoplia sp
Gen. sp indet.
Family: ADOCIDAE Cope, 1870
Adocus sp
____________________________________________________________________________________
TEXAS
BREWSTER COUNTY
BIG BEND NATIONAL PARK
RATTLESNAKE MOUNTAIN MICROSITE
LSUMNS VL-834
UPPER AGUJA FORMATION
EDMONTONIAN AGE
UPPER CAMPANIAN STAGE- LOWER 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
MAGANORDER: CRYPTODIRA GAFFNEY & MEYLAN, 1988
SUPERORDER: SELMACRYPTODIRA GAFFNEY, HUTCHISON, JENKINS & MEEKR, 1987
GRANDORDER: DAIOCRYPTODIRA GAFFNEY & MEYLAN, 1988
MICRORDER: BAENOIDEA WILLIAMS, 1960
Family: BAENIDAE Cope, 1882
Incertae sedis
Gen. sp indet.
MICRORDER: CENTROCRYPTODIRA GAFFNEY & MEYLAN, 1988
ORDER: POLYCRPTODIRA GAFFNEY & MEYLAN, 1988
SUBORDER: CHELYDROIDEA AGASSIZ, 1857
INFRAORDER: CHELOMACRYPTODIRA GAFFNEY & MEYLAN, 1988
PARVORDER: TRIONYCHIDA GRAY, 1870
Superfamily: TRIONYCHIDEA Bell, 1828 (sensu Gray, 1870)
Family: TRIONYCHIDAE Bell, 1828
Helopanoplia sp
Gen. sp indet.
Family: NANHSIUNGCHELYIDAE Yeh, 1966
Basilemys sp
Family: ADOCIDAE Cope, 1870
Adocus sp
____________________________________________________________________________________
TEXAS
BREWSTER COUNTY
BIG BEND NATIONAL PARK
RATTLESNAKE MOUNTAIN MICROSITE
LSUMNS VL-835
UPPER AGUJA FORMATION
EDMONTONIAN AGE
UPPER CAMPANIAN STAGE- LOWER 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
MAGANORDER: CRYPTODIRA GAFFNEY & MEYLAN, 1988
SUPERORDER: SELMACRYPTODIRA GAFFNEY, HUTCHISON, JENKINS & MEEKR, 1987
GRANDORDER: DAIOCRYPTODIRA GAFFNEY & MEYLAN, 1988
MICRORDER: CENTROCRYPTODIRA GAFFNEY & MEYLAN, 1988
ORDER: POLYCRPTODIRA GAFFNEY & MEYLAN, 1988
SUBORDER: CHELYDROIDEA AGASSIZ, 1857
INFRAORDER: CHELOMACRYPTODIRA GAFFNEY & MEYLAN, 1988
PARVORDER: TRIONYCHIDA GRAY, 1870
Superfamily: TRIONYCHIDEA Bell, 1828 (sensu Gray, 1870)
Family: TRIONYCHIDAE Bell, 1828
Gen. sp indet.
____________________________________________________________________________________
TEXAS
BREWSTER COUNTY
BIG BEND NATIONAL PARK
RATTLESNAKE MOUNTAIN MICROSITE
LSUMNS VL-837
UPPER AGUJA FORMATION
EDMONTONIAN AGE
UPPER CAMPANIAN STAGE- LOWER 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
MAGANORDER: CRYPTODIRA GAFFNEY & MEYLAN, 1988
SUPERORDER: SELMACRYPTODIRA GAFFNEY, HUTCHISON, JENKINS & MEEKR, 1987
GRANDORDER: DAIOCRYPTODIRA GAFFNEY & MEYLAN, 1988
MICRORDER: CENTROCRYPTODIRA GAFFNEY & MEYLAN, 1988
ORDER: POLYCRPTODIRA GAFFNEY & MEYLAN, 1988
SUBORDER: CHELYDROIDEA AGASSIZ, 1857
INFRAORDER: CHELOMACRYPTODIRA GAFFNEY & MEYLAN, 1988
PARVORDER: TRIONYCHIDA GRAY, 1870
Superfamily: TRIONYCHIDEA Bell, 1828 (sensu Gray, 1870)
Family: TRIONYCHIDAE Bell, 1828
Helopanoplia sp
Family: ADOCIDAE Cope, 1870
Adocus sp
____________________________________________________________________________________
TEXAS
BREWSTER COUNTY
BIG BEND NATIONAL PARK
RATTLESNAKE MOUNTAIN MICROSITE
LSUMNS VL-838
UPPER AGUJA FORMATION
EDMONTONIAN AGE
UPPER CAMPANIAN STAGE- LOWER 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
MAGANORDER: CRYPTODIRA GAFFNEY & MEYLAN, 1988
SUPERORDER: SELMACRYPTODIRA GAFFNEY, HUTCHISON, JENKINS & MEEKR, 1987
GRANDORDER: DAIOCRYPTODIRA GAFFNEY & MEYLAN, 1988
MICRORDER: CENTROCRYPTODIRA GAFFNEY & MEYLAN, 1988
ORDER: POLYCRPTODIRA GAFFNEY & MEYLAN, 1988
SUBORDER: CHELYDROIDEA AGASSIZ, 1857
INFRAORDER: CHELOMACRYPTODIRA GAFFNEY & MEYLAN, 1988
PARVORDER: TRIONYCHIDA GRAY, 1870
Superfamily: TRIONYCHIDEA Bell, 1828 (sensu Gray, 1870)
Family: TRIONYCHIDAE Bell, 1828
Gen. sp indet.
____________________________________________________________________________________
TEXAS
BREWSTER COUNTY
BIG BEND NATIONAL PARK
RATTLESNAKE MOUNTAIN MICROSITE
LSUMNS VL-839
UPPER AGUJA FORMATION
EDMONTONIAN AGE
UPPER CAMPANIAN STAGE- LOWER 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
MAGANORDER: CRYPTODIRA GAFFNEY & MEYLAN, 1988
SUPERORDER: SELMACRYPTODIRA GAFFNEY, HUTCHISON, JENKINS & MEEKR, 1987
GRANDORDER: DAIOCRYPTODIRA GAFFNEY & MEYLAN, 1988
MICRORDER: CENTROCRYPTODIRA GAFFNEY & MEYLAN, 1988
ORDER: POLYCRPTODIRA GAFFNEY & MEYLAN, 1988
SUBORDER: CHELYDROIDEA AGASSIZ, 1857
INFRAORDER: CHELOMACRYPTODIRA GAFFNEY & MEYLAN, 1988
PARVORDER: TRIONYCHIDA GRAY, 1870
Superfamily: TRIONYCHIDEA Bell, 1828 (sensu Gray, 1870)
Family: TRIONYCHIDAE Bell, 1828
Gen. sp indet.
____________________________________________________________________________________
TEXAS
BREWSTER COUNTY
BIG BEND NATIONAL PARK
RATTLESNAKE MOUNTAIN MICROSITE
LSUMNS VL-840
UPPER AGUJA FORMATION
EDMONTONIAN AGE
UPPER CAMPANIAN STAGE- LOWER 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
MAGANORDER: CRYPTODIRA GAFFNEY & MEYLAN, 1988
SUPERORDER: SELMACRYPTODIRA GAFFNEY, HUTCHISON, JENKINS & MEEKR, 1987
GRANDORDER: DAIOCRYPTODIRA GAFFNEY & MEYLAN, 1988
MICRORDER: CENTROCRYPTODIRA GAFFNEY & MEYLAN, 1988
ORDER: POLYCRPTODIRA GAFFNEY & MEYLAN, 1988
SUBORDER: CHELYDROIDEA AGASSIZ, 1857
INFRAORDER: CHELOMACRYPTODIRA GAFFNEY & MEYLAN, 1988
PARVORDER: TRIONYCHIDA GRAY, 1870
Superfamily: TRIONYCHIDEA Bell, 1828 (sensu Gray, 1870)
Family: TRIONYCHIDAE Bell, 1828
Gen. sp indet.
Family: ADOCIDAE Cope, 1870
Adocus sp
____________________________________________________________________________________
TEXAS
BREWSTER COUNTY
BIG BEND NATIONAL PARK
RATTLESNAKE MOUNTAIN MICROSITE
LSUMNS VL-841
UPPER AGUJA FORMATION
EDMONTONIAN AGE
UPPER CAMPANIAN STAGE- LOWER 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
MAGANORDER: CRYPTODIRA GAFFNEY & MEYLAN, 1988
SUPERORDER: SELMACRYPTODIRA GAFFNEY, HUTCHISON, JENKINS & MEEKR, 1987
GRANDORDER: DAIOCRYPTODIRA GAFFNEY & MEYLAN, 1988
MICRORDER: EUCRYPTODIRA GAFFNEY, 1975
Family: KINOSTERNIDAE Agassiz, 1857
Cf. Hoplochelys sp
MICRORDER: BAENOIDEA WILLIAMS, 1960
Family: BAENIDAE Cope, 1882
Incertae sedis
Gen. sp indet.
MICRORDER: CENTROCRYPTODIRA GAFFNEY & MEYLAN, 1988
ORDER: POLYCRPTODIRA GAFFNEY & MEYLAN, 1988
SUBORDER: CHELYDROIDEA AGASSIZ, 1857
INFRAORDER: CHELOMACRYPTODIRA GAFFNEY & MEYLAN, 1988
PARVORDER: TRIONYCHIDA GRAY, 1870
Superfamily: TRIONYCHIDEA Bell, 1828 (sensu Gray, 1870)
Family: TRIONYCHIDAE Bell, 1828
Helopanoplia sp
Gen. sp indet.
Family: NANHSIUNGCHELYIDAE Yeh, 1966
Basilemys sp
Family: ADOCIDAE Cope, 1870
Adocus sp
____________________________________________________________________________________
TEXAS
BREWSTER COUNTY
BIG BEND NATIONAL PARK
RATTLESNAKE MOUNTAIN MICROSITE
LSUMNS VL-842
UPPER AGUJA FORMATION
EDMONTONIAN AGE
UPPER CAMPANIAN STAGE- LOWER 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
MAGANORDER: CRYPTODIRA GAFFNEY & MEYLAN, 1988
SUPERORDER: SELMACRYPTODIRA GAFFNEY, HUTCHISON, JENKINS & MEEKR, 1987
GRANDORDER: DAIOCRYPTODIRA GAFFNEY & MEYLAN, 1988
MICRORDER: CENTROCRYPTODIRA GAFFNEY & MEYLAN, 1988
ORDER: POLYCRPTODIRA GAFFNEY & MEYLAN, 1988
SUBORDER: CHELYDROIDEA AGASSIZ, 1857
INFRAORDER: CHELOMACRYPTODIRA GAFFNEY & MEYLAN, 1988
PARVORDER: TRIONYCHIDA GRAY, 1870
Superfamily: TRIONYCHIDEA Bell, 1828 (sensu Gray, 1870)
Family: NANHSIUNGCHELYIDAE Yeh, 1966
Basilemys sp
Family: TRIONYCHIDAE Bell, 1828
Gen. sp indet.
Family: ADOCIDAE Cope, 1870
Adocus sp
____________________________________________________________________________________