SHASTA COUNTY
UCMP LOCALITY 1012
HOSSELKUS FORMATION
CARNIAN STAGE
LOWER LATE TRIASSIC EPOCH
LATE TRIASSIC
STEM: TETRAPODA GOODRICH, 1930
SUPERCLASS: AMNIOTA HAECKEL, 1866
CLASS: REPTILIA LAURENTI, 1768
SUBCLASS: DIAPSIDA OSBORN, 1903
INFRACLASS: NEODIAPSIDA BENTON, 1985
ORDER: THALATTOSAURIDAE MERRIAM, 1904
SUBORDER: CLARAZISAUROIDEA HOFFSTETTER, 1955
Family: CLARAZIIDAE Peyer, 1936
*Nectosaurus halius
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CALIFORNIA
SHASTA COUNTY
UCMP 1013
LYING BETWEEN SQUAW CREEK AND PITT RIVER
HOSSELKUS FORMATION
CARNIAN STAGE
LOWER LATE TRIASSIC EPOCH
LATE TRIASSIC
STEM: TETRAPODA GOODRICH, 1930
SUPERCLASS: AMNIOTA HAECKEL, 1866
CLASS: REPTILIA LAURENTI, 1768
SUBCLASS: DIAPSIDA OSBORN, 1903
INFRACLASS: NEODIAPSIDA BENTON, 1985
ORDER: THALATTOSAURIDAE MERRIAM, 1904
SUBORDER: THALATTOSAUROIDEA MERRIAM, 1904
Family: THALATTOSAURIDAE Merriam, 1904
*Thalattosaurus alexandrae
Thalattosaurus spSUBORDER: CLARAZISAUROIDEA HOFFSTETTER, 1955
Family: CLARAZIIDAE Peyer, 1936
Nectosaurus sp
= Thalattosaurus shastensis
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CALIFORNIA
SHASTA COUNTY
SMITH COVE NEAR SQUAW CREEK
HOSSELKUS FORMATION
CARNIAN STAGE
LOWER LATE TRIASSIC EPOCH
LATE TRIASSIC
STEM: TETRAPODA GOODRICH, 1930
SUPERCLASS: AMNIOTA HAECKEL, 1866
CLASS: REPTILIA LAURENTI, 1768
SUBCLASS: DIAPSIDA OSBORN, 1903
INFRACLASS: NEODIAPSIDA BENTON, 1985
ORDER: THALATTOSAURIDAE MERRIAM, 1904
SUBORDER: THALATTOSAUROIDEA MERRIAM, 1904
Family: THALATTOSAURIDAE Merriam, 1904
*Thalattosaurus perrini
= Scenodon perrini
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CALIFORNIA
SHASTA COUNTY
BETWEEN SQUAY CREEK AND PITT RIVER
HOSSELKUS LIMESTONE
CARNIAN STAGE
MIDDLE TRIASSIC EPOCH
LATE TRIASSIC
STEM: TETRAPODA GOODRICH, 1930
SUPERCLASS: AMNIOTA HAECKEL, 1866
CLASS: REPTILIA LAURENTI, 1768
SUBCLASS: DIAPSIDA OSBORN, 1903
INFRACLASS: NEODIAPSIDA BENTON, 1985
NEODIAPSIDA: INCERTAE SEDIS
OR AMNIOTA: INCERTAE SEDIS
MAGANORDER: ICHTHYOPTERYGIA BAUR, 1887 emend nova
SUPERORDER: EOICHTHYOSAURIA MOTANI, 1999
GRANDORDER: ICHTHYOSAURIA EMEND BLAINVILLE, 1835
MICRORDER: LONGIPINNATI HUENE, 1948
ORDER: MERRIAMOSAURIA MONTANI, 1999
SUBORDER: SHASTASAURIA MONTANI, 1999
Family: SHASTASAURIDAE Merriam, 1895
*Shastasaurus pacificus
= *Shastasaurus osmonti
= *Shastasaurus altispinus
= *Shastasaurus alexandraeSUBORDER: EUICHTHYOSAURIA MONTANI, 1999
Family: CALIFORNOSAURIDAE Huene, 1948
*Californosaurus perrini
= Shastasaurus perrini
= Delphinosaurus perrini
= Perrinosaurus perrini
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CALIFORNIA
SHASTA COUNTY
A FEW MILES NE OF WINTHROP
HOSSELKUS LIMESTONE FORMATION
TRACHYCERAS HORIZON
CARNIAN STAGE
MIDDLE TRIASSIC EPOCH
LATE TRIASSIC
STEM: TETRAPODA GOODRICH, 1930
SUPERCLASS: AMNIOTA HAECKEL, 1866
CLASS: REPTILIA LAURENTI, 1768
SUBCLASS: DIAPSIDA OSBORN, 1903
INFRACLASS: NEODIAPSIDA BENTON, 1985
NEODIAPSIDA: INCERTAE SEDIS
OR AMNIOTA: INCERTAE SEDIS
MAGANORDER: ICHTHYOPTERYGIA BAUR, 1887 emend nova
SUPERORDER: EOICHTHYOSAURIA MOTANI, 1999
GRANDORDER: ICHTHYOSAURIA EMEND BLAINVILLE, 1835
MICRORDER: LONGIPINNATI HUENE, 1948
Family: TORETOCNEMIDAE Maisch & Matzke, 2000
*Toretocnemus californicus
*Toretocnemus zitteli
= Leptocherius zitteli
= Merriamia zitteli
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CALIFORNIA
SHASTA COUNTY
NEAR COVE
HOSSELKUS LIMESTONE FORMATION
CARNIAN STAGE
MIDDLE TRIASSIC EPOCH
LATE TRIASSIC
STEM: TETRAPODA GOODRICH, 1930
SUPERCLASS: AMNIOTA HAECKEL, 1866
CLASS: REPTILIA LAURENTI, 1768
SUBCLASS: DIAPSIDA OSBORN, 1903
INFRACLASS: NEODIAPSIDA BENTON, 1985
NEODIAPSIDA: INCERTAE SEDIS
OR AMNIOTA: INCERTAE SEDIS
MAGANORDER: ICHTHYOPTERYGIA BAUR, 1887 emend nova
SUPERORDER: EOICHTHYOSAURIA MOTANI, 1999
GRANDORDER: ICHTHYOSAURIA EMEND BLAINVILLE, 1835
MICRORDER: LONGIPINNATI HUENE, 1948
ORDER: MERRIAMOSAURIA MONTANI, 1999
SUBORDER: SHASTASAURIA MONTANI, 1999
Family: SHASTASAURIDAE Merriam, 1895
Shastasaurus pacificus
= *Shastasaurus altispinus
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CALIFORNIA
SHASTA COUNTY
BEAR MOUNTAIN
LATE TRAISSIC
STEM: TETRAPODA GOODRICH, 1930
SUPERCLASS: AMNIOTA HAECKEL, 1866
CLASS: REPTILIA LAURENTI, 1768
SUBCLASS: DIAPSIDA OSBORN, 1903
INFRACLASS: NEODIAPSIDA BENTON, 1985
NEODIAPSIDA: INCERTAE SEDIS
OR AMNIOTA: INCERTAE SEDIS
MAGANORDER: ICHTHYOPTERYGIA BAUR, 1887 emend nova
SUPERORDER: EOICHTHYOSAURIA MOTANI, 1999
GRANDORDER: ICHTHYOSAURIA EMEND BLAINVILLE, 1835
MICRORDER: LONGIPINNATI HUENE, 1948
ORDER: MERRIAMOSAURIA MONTANI, 1999
SUBORDER: SHASTASAURIA MONTANI, 1999
Family: SHASTASAURIDAE Merriam, 1895
*Shastasaurus careyi
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CALIFORNIA
SHASTA COUNTY
BUDDEN CANYON FORMATION
LATE APTIAN STAGE
MIDDLE GALLIC SUBEPOCH
UPPER EARLY CRETACEOUS EPOCH
EARLY CRETACEOUS
STEM: TETRAPODA GOODRICH, 1930
SUPERCLASS: AMNIOTA HAECKEL, 1866
CLASS: REPTILIA LAURENTI, 1768
Incertae sedis
Gen. sp indet.
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CALIFORNIA
SHASTA COUNTY
CHICKABALLY MEMBER
BUDDEN CANYON FORMATION
LATE APTIAN STAGE
MIDDLE GALLIC SUBEPOCH
UPPER EARLY CRETACEOUS EPOCH
EARLY CRETACEOUS
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: AVEMETATARSALIA BENTON, 1999
COHORT: PROLACERTIFORMES CAMP, 1945 NOVA
SUPERORDER: TAPINOPLATIA PETERS, 2000
GRANDORDER: CHARACIOPODA PETERS, 2000
MICRORDER: FENESTRASAURIA PETERS, 2000
ORDER: PTEROSAURIA KAUP, 1834
SUBORDER: EUPTERODACTYLOIDEA BENNETT, 1994
Incertae sedis
Gen sp indet.
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CALIFORNIA
SHASTA COUNTY
EARLY CRETACEOUS
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
MAGNORDER: ORNITHISCHIA SEELEY, 1888
SUPERORDER: NEORNITHISCHIA COOPER, 1985
GRANDORDER: ORNITHOPODA MARSH, 1871
MICRORDER: EUORNITHOPODA SERENO, 1986
ORDER: HYPSILOPHODONTIA COOPER, 1983
Family: HYPSILOPHODONTIDAE Dollo, 1882
Gen. sp indet.
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CALIFORNIA
SHASTA COUNTY
SALT CREEK (SC 1922)
TURONIAN STAGE
UPPER GALLIC SUBEPOCH
LOWER GULF EPOCH
MIDDLE-LATE CRETACEOUS
STEM: TETRAPODA GOODRICH, 1930
SUPERCLASS: AMNIOTA HAECKEL, 1866
CLASS: REPTILIA LAURENTI, 1768
SUBCLASS: CHELONOMORPHA KUHN, 1960
SUPERCOHORT: TESTUDINES LINNAEUS, 1758
COHORT: CASICHELYDIA emend GAFFNEY & MEYLAN, 1988
MAGANORDER: CRYPTODIRA GAFFNEY & MEYLAN, 1988
SUPERORDER: SELMACRYPTODIRA GAFFNEY, HUTCHISON, JENKINS & MEEKR, 1987
GRANDORDER: DAIOCRYPTODIRA GAFFNEY & MEYLAN, 1988
MICRORDER: CENTROCRYPTODIRA GAFFNEY & MEYLAN, 1988
ORDER: POLYCRPTODIRA GAFFNEY & MEYLAN, 1988
SUBORDER: PROCOELOCRYPTODIRA GAFFNEY & MEYLAN, 1988
INFRAORDER: CHELONOIDEA GAFFNEY & MEYLAN, 1988
Superfamily: DERMOCHELYOIDEA Willams, 1950
Family: PROTOSTEGIDAE Cope, 1889
Incertae sedis
Gen. sp indet.
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