ILLIONIS
GRUNDY COUNTY
MAZON CREEK
CARBONDALE FORMATION
FRANCES CREEK SHALE
MYACHKOVSKIAN STAGE
WESTPHALIAN D
LOWER UPPER SILESIAN
DESMONIENSEAN
MYACHKOVSKIAN STAGE
UPPER MOSCOVIAN EPOCH
LATE PENNSYLVANIAN (LATE CARBONIFEROUS)
STEM: TETRAPODA GOODRICH, 1930
SUPERCLASS: AMNIOTA HAECKEL, 1866
CLASS: AMPHIBIA LINNAEUS, 1758
SUBCLASS: LABYRINTHODONTIA OWEN, 1860
SUPERORDER: TEMNOSPONDYLIA ZITTEL, 1887
MICROORDER: EUSKELIA YATES & WARREN, 2000
ORDER: EYROPODIA
Superfamily: DISSOROPHOIDEA Boulenger, 1902 (sensu Bolt, 1969)
Incerate sedis
Gen. sp indet.
Family: AMPHIBAMIDAE Moodie, 1910
*Amphibamus grandiceps
= *Micrerpeton caudatum
= *Mazonerpeton longicaudatum
= *Mazonerpeton costatum
= *Miobatrachus romeri
= *Eumicrerpeton parvum
= *Amphibamus thoractus
NEOTETRAPODA
SUBCLASS: REPTILIOMORPHA SAVE-SODERBERGH, 1934
Family: Incertae sedis
*Spondylerpeton spinatum
LABYRINTHODONTIA OR LEPOSPONDYLI
Incertae sedis
*Erpetobrachium mazonensis
*Erierpeton branchialis
CLASS: REPTILIA LAURENTI, 1768
SUBCLASS: PARAREPTILIA OLSON 1947
INFRACLASS: SAUROPSIDA HUXLEY, 1864
SUPERORDER: EUREPTILIA OLSON, 1947
ORDER: CAPTORHINOMORPHA WATSON, 1917
SUBORDER: CAPTORHINOMORPHA WATSON, 1917
Family: HYLONOMIDAE Fritsch (Fric), 1883
*Cephalerpeton ventriarmatum
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ILLINOIS
GRUNDY COUNTY
NEAR BRAIDWOOD
PIT 11
MYACHKOVSKIAN STAGE
WESTPHALIAN D
LOWER UPPER SILESIAN
DESMONIENSEAN
MYACHKOVSKIAN STAGE
UPPER MOSCOVIAN EPOCH
LATE PENNSYLVANIAN (LATE CARBONIFEROUS)
STEM: TETRAPODA GOODRICH, 1930
SUPERCLASS: AMNIOTA HAECKEL, 1866
CLASS: AMPHIBIA LINNAEUS, 1758
SUBCLASS: LEPOSPONDYLI ZITTEL, 1888
Incertae sedis
Gen. sp indet.
ORDER: AISTOPODA MIALL, 1875
Family: OPHIDERPETONTIDAE Schwarz, 1908
Ophiderpeton sp
Family: PHLEGETHONTIDAE Cope, 1875
Phlegethontia longissima
= *Aornerepton mazonensis
= Phlegethontia mazonensisORDER: NECTRIDEA MIALL, 1875
Family: UROCORDYLIDAE Lydekker, 1889
Subfamily: UROCORDYLINAE Lydekker, 1889 (sensu Carroll, Bossy, Milner, Andrews & Wellstead, 1998)
Ptyonius marshii
= Colosteus marshii
= Oestocephalus marshii
= Sauropleura marshii
= Sauropleura spORDER: LYSOROPHIA WILLISTON, 1908
Family: COCYTINIDAE Cope, 1875
Brachydectes newberryi
= Cocytinus gyrinoides
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ILLINOIS
APPROXIMATELY AT COUNTY LINE BETWEEN WILL AND GRUNDY COUNTIES
PIT 1 OR 6 OF PEABODY COAL COMPANY
CARBONDALE FORMATION
FRANCES CREEK SHALE
MYACHKOVSKIAN STAGE
WESTPHALIAN D
LOWER UPPER SILESIAN
DESMONIENSEAN
UPPER MOSCOVIAN EPOCH
LATE PENNSYLVANIAN (LATE CARBONIFEROUS)
STEM: TETRAPODA GOODRICH, 1930
SUPERCLASS: AMNIOTA HAECKEL, 1866
CLASS: AMPHIBIA LINNAEUS, 1758
SUBCLASS: LEPOSPONDYLI ZITTEL, 1888
ORDER: MICROSAURIA DAWSON, 1863
SUBORDER: MICROBRACHOMORPHA CARROLL & GASKILL, 1978
Family: HYLOPLESIONTIDAE Carroll & Gaskill, 1978
Hyloplesion sp?
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