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

Genus nova

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 mazonensis

ORDER: 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 sp

ORDER: LYSOROPHIA WILLISTON, 1908

Family: COCYTINIDAE Cope, 1875

Brachydectes newberryi
= Cocytinus gyrinoides

*Infernovenator steenae

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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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