UTAH
SAN JUAN COUNTY
BOLOSAUR BLOWOUT LOCALITY (CM LOCALITY 5107)
UPPER HALGAITO FORMATION
LATE CARBONIFROUS-EARLY PERMIAN BOUNDARY
STEM: TETRAPODA GOODRICH, 1930
SUPERCLASS: AMNIOTA HAECKEL, 1866
CLASS: REPTILIA LAURENTI, 1768
SUBCLASS: PARAREPTILIA OLSON 1947
INFRACLASS: INCERTAE SEDIS
ORDER: BOLOSAUROIA KUHN, 1959
Incertae sedis
Gen sp indet.
_____________________________________________________________________________________
UTAH
SAN JUAN COUNTY
PLATYHYSTRIX POINT (CM LOCALITY 5108)
UPPER HALGAITO FORMATION
LATE CARBONIFROUS-EARLY PERMIAN BOUNDARY
STEM: TETRAPODA GOODRICH, 1930
SUPERCLASS: AMNIOTA HAECKEL, 1866
Incertae sedis
Gen sp indet.
_____________________________________________________________________________________
UTAH
SAN JUAN COUNTY
VALLEY OF THE GODS
BIRTHDAY BONEBED LOCALITY (CM LOCALITY NO. 3345)
HALGAITO FORMATION
LATE PENNSYLVANIAN (LATE CARBONIFEROUS)-EARLY PERMIAN
STEM: TETRAPODA GOODRICH, 1930
____________________________________________________________________________________SUPERCLASS: AMNIOTA HAECKEL, 1866
CLASS: REPTILIA LAURENTI, 1768
SUBCLASS: SYNAPSIDA OSBORN, 1903
ORDER: PELYCOSAURIA COPE, 1878
SUBORDER: EUPELYCOSAURIA KEMP, 1982
INFRAORDER: DIMETRODONTOMORPHA emend NOPCSA, 1925
Family: SPHENACODONTIDAE Marsh, 1878
Incertae sedis
*Shashajaia bermani