Near Batchtown (Ordovician of the United States)

Also known as 1 mile north of Batchtown according to Pojeta & Runnegar 1976

Where: Calhoun County, Illinois (39.1° N, 90.7° W: paleocoordinates 23.2° S, 66.1° W)

• coordinate based on nearby landmark

• local area-level geographic resolution

When: Kimmswick limestone Formation, Shermanian (457.3 - 449.6 Ma)

• " [...] Kimmswick limestone of Missouri [...] "; The Kimmswick ls. is Trentonian according to Esker, III & Levin (1964, J. Paleont. 38(4)) and Parsley & Mintz (1975, Bull. Amer. Paleont. 68).

Environment/lithology: limestone

Size class: macrofossils

Preservation: cast

Reposited in the FMNH, USNM

Primary reference: J. H. Bradley. 1930. The fauna of the Kimmswick limestone of Missouri and Illinois. Contributions from the Walker Museum, University of Chicago 2(6):219-290 [P. Wagner/P. Wagner]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 154952: authorized by Pete Wagner, entered by Pete Wagner on 23.03.2014

Creative Commons license: CC BY (attribution)

Taxonomic list

Rostroconchia
 Conocardiida - Bransoniidae
"Conocardium limatula" = Pojetaconcha limatula
"Conocardium limatula" = Pojetaconcha limatula Bradley 1930
Gastropoda
 Euomphalina - Platyceratidae
"Gyronema intermedium" = Cyclonema intermedium
"Gyronema intermedium" = Cyclonema intermedium Bradley 1930 snail
 Bellerophontida - Bucaniidae
"Bucania punctifrons" = Undulabucania punctifrons Emmons 1842 snail
Bucania n. ssp. punctifrons primaeva
Phragmolites multinotatus n. sp. Bradley 1930 snail
Bucania batchtownensis n. sp. Bradley 1930 snail
 Bellerophontida - Pterothecidae
Pterotheca triangularis n. sp. Bradley 1930 snail
Bivalvia
 Solemyida - Ctenodontidae
Ctenodonta concinna Bradley 1930 clam
Stenolaemata
 Cryptostomata - Escharoporidae
Trilobita
 Lichida - Lichidae
"Acrolichas subdisjunctus" = Amphilichas subdisjunctus
"Acrolichas subdisjunctus" = Amphilichas subdisjunctus Bradley 1930 trilobite
 Harpetida - Harpetidae
"Eoharpes uniserialis" = Dolichoharpes uniserialis
"Eoharpes uniserialis" = Dolichoharpes uniserialis Raymond 1925 trilobite
 Corynexochida - Styginidae
"Goldius slocomi" = Eobronteus slocomi
"Goldius slocomi" = Eobronteus slocomi Bradley 1930 trilobite
 Corynexochida - Illaenidae
"Illaenus depressicapitatus" = Thaleops depressicapitata, "Bumastus billingsi" = Bumastoides billingsi
"Illaenus depressicapitatus" = Thaleops depressicapitata Bradley 1930 trilobite
"Bumastus billingsi" = Bumastoides billingsi Raymond and Narraway 1908 trilobite
 Phacopida - Encrinuridae
"Encrinurus trentonensis" = Erratencrinurus vigilans
"Encrinurus trentonensis" = Erratencrinurus vigilans Hall 1847 trilobite
 Phacopida - Cheiruridae
Holia magnaspina Bradley 1930 trilobite
"Ceraurinus tenuisculptus" = Ceraurinella tenuisculptus Bradley 1930 trilobite
Ceraurinus platycanthus Bradley 1930 trilobite
"Pseudosphaerexochus subcircularis" = Acanthoparypha subcircularis Bradley 1930 trilobite
Sphaerocoryphe arachniformis Bradley 1930 trilobite
"Heliomera raymondi" = Heliomeroides raymondi Bradley 1930 trilobite
Ceraurus globulobatus Bradley 1930 trilobite
Ceraurus pleurexanthemus Green 1832 trilobite
 Phacopida - Pterygometopidae
"Pterygometopus callicephalus" = Calyptaulax callicephalus, "Dalmanites katharina" = Achatella katharina
"Pterygometopus callicephalus" = Calyptaulax callicephalus Hall 1847 trilobite
"Dalmanites katharina" = Achatella katharina Bradley 1930 trilobite
 Asaphida - Remopleurididae
Remopleurides missouriensis Foerste 1920 trilobite
 Asaphida - Asaphidae
Homotelus laeviurus Raymond 1921 trilobite
Isotelus gigas Dekay 1824 trilobite
Isotelus maximus Locke 1838 trilobite
 Proetida - Otarionidae
Cyphaspis globosus Bradley 1930 trilobite
 Proetida - Proetidae
Proetus canalis Bradley 1930 trilobite