THE NETHERLANDS

GERMANIC BASIN

WINTERSWIJK

MID TRIASSIC EPOCH

MIDDLE TRIASSIC

STEM: TETRAPODA GOODRICH, 1930

SUPERCLASS: AMNIOTA HAECKEL, 1866

CLASS: REPTILIA LAURENTI, 1768

SUBCLASS: DIAPSIDA OSBORN, 1904

INFRACLASS: EURYAPSIDA COLBERT, 1945

SUPERORDER: SAUROPTERYGIA OWEN 1860

SUPERORDER: SAUROPTERYGIA OWEN 1860

GRANDORDER: EOSAUROPTERYGIA emend RIEPPEL, 1994

ORDER: PACHYPLEUROSAURIA SANZ, 1980

Family: PACHYPLEUROSAURIDAE Nopcsa, 1928

Serpianosaurus sp

INFRACLASS: NEODIAPSIDA BENTON, 1985

LEPIDOSAUROMORPHA: BENTON 1985

SUPERORDER: SAUROPTERYGIA OWEN 1860

OR NEODIAPSIDA: INCERTAE SEDIS

ORDER: PLACODONTIA MEYER, 1863

SUBORDER: PLACODONTOIDEA COPE, 1871

Family: PARAPLACODONTIDAE Peyer & Kuhn-Schnyder, 1955

Paraplacodus or Saurosphargis

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