ILLINOIS

WILL-KANKAKEE COUNTIES

PEABODY COAL CO. PIT 11

CARBONDALE FORMATION

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

Gen. sp indet.

SUPERORDER: TEMNOSPONDYLIA ZITTEL, 1887

MICROORDER: EUSKELIA YATES & WARREN, 2000

ORDER: EYROPODIA

Superfamily: DISSOROPHOIDEA Boulenger, 1902 (sensu Bolt, 1969)

AMPHIBAMIFORES SCHOCH, 2019

Incertae sedis

Gen. sp indet.

Family: AMPHIBAMIDAE Moodie, 1910

Amphibamus grandiceps

MICROORDER: LIMNARCHIA YATES & WARREN, 2000

ORDER: DVINOSAURIA YATES & WARREN, 2000

INFRAORDER: TRIMERORHACHOIDA ROMER, 1947

Superfamily: TRIMERORHACHOIDEA Cope, 1882 (sensu Romer, 1947)

Family: EOBRACHYOPIDAE Shishkin, 1964

Isodectes obtusus
= Dendrerpton obtusum
= Saurerpeton cf. obtusum

Eggs?

*Mazonova helmichnus

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ILLINOIS

WILL-KANKAKEE COUNTIES

MAZON CREEK AREA

CARBONDALE FORMATION

FRANCES CREEK SHALE

WESTPHALIAN C

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

Incertae sedis

Gen. sp indet.