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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