MASSACHUSETTS
HAMPDEN COUNTY
US. ARMORY
WATER SHOPS
LONGMEADOW SANSTONE
UPPER PART OF THE NEWARK SERIES
PLIENSBACHIAN OR TOARCIAN STAGE
UPPER LIAS EPOCH
EARLY JURASSIC
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
SUPERORDER: SAUROPODOMORPHA HUENE, 1932
GRANDORDER: BRONTOSAURIA OLSHEVSKY, 1991 (emend)
MICRORDER: SAUROPODA MARSH, 1878
Family: ANCHISAURIDAE Marsh, 1885
*Anchisaurus polyzelus
= Megadactylus polyzelus
= Amphisaurus polyzelus
= Thecodontosaurus polyelus
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