NEAR SAN SEBASTIAN
SAN SEBASTIAN FORMATION
LATE OLIGOCENE EPOCH
UPPER PALEOGENE PERIOD
UPPER TERTIARY SUBERA
MIDDLE CENOZOIC
STEM: TETRAPODA GOODRICH, 1930
SUPERCLASS: AMNIOTA HAECKEL, 1866
CLASS: REPTILIA LAURENTI, 1768
SUBCLASS: DIAPSIDA OSBORN, 1904
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
Incertae sedis
Gen. sp indet.
MICRORDER: MESOEUROCROCODYLIA WHETSTONE & WHYBROW, 1983
ORDER: EUSUCHIA emend HUXLEY, 1875
INFRAORDER: CROCODYLIA emend GMELIN, 1877
Family: GAVIALIDAE Cuvier, 1807
Subfamily: GRYPOSUCHINAE Velez-Juarbe, Brochu, & Santos, 2007
*Aktiogavialis puertoricensis
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NORTHERN COAST OF PUERTO RICO
NEAR SAN SEBASTIAN
LARES LIMESTONE
LATE OLIGOCENE EPOCH
UPPER PALEOGENE PERIOD
UPPER TERTIARY SUBERA
MIDDLE CENOZOIC- EARLY MIOCENE EPOCH
LOWER NEOGENE PERIOD
UPPER TERTIARY SUBERA
MIDDLE CENOZOIC ERA
STEM: TETRAPODA GOODRICH, 1930
SUPERCLASS: AMNIOTA HAECKEL, 1866
CLASS: REPTILIA LAURENTI, 1768
SUBCLASS: DIAPSIDA OSBORN, 1904
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
Incertae sedis
Gen. sp indet.
_____________________________________________________________________________________
NORTHERN COAST OF PUERTO RICO
NEAR SAN SEBASTIAN
CIBAO FORMATION
EARLY MIOCENE EPOCH
LOWER NEOGENE PERIOD
UPPER TERTIARY SUBERA
MIDDLE CENOZOIC ERA
STEM: TETRAPODA GOODRICH, 1930
SUPERCLASS: AMNIOTA HAECKEL, 1866
CLASS: REPTILIA LAURENTI, 1768
SUBCLASS: DIAPSIDA OSBORN, 1904
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
Incertae sedis
Gen. sp indet.
_____________________________________________________________________________________