PBDB Collection

LaSalle Limestone Member, Bond Fm., near Pontiac, Livingstone County, IL (Carboniferous of the United States)

Where: Livingston County County, Illinois (40.8° N, 88.7° W: paleocoordinates 4.0° S, 22.9° W)

• coordinate estimated from map

• outcrop-level geographic resolution

When: LaSalle Limestone Member (Bond Formation), Missourian (306.0 - 303.7 Ma)

• member-level stratigraphic resolution

Environment/lithology: marine; gray, blue shale and limestone

• the shale deposits are interpreted as quiet water environments without perceptible wave or curent actions

• Crinoids were found embedded in a depression (a shaley pocket) filled with blue-gray marine shale, 4.5 ft. in depth; the secondary lithology, limestone, is about 12.5 ft thick and underlies the shaley pockets

Size class: macrofossils

Collection methods: bulk,

• All specimens reposited in the Illinois Geological Survey, Urbana, Illinois

Primary reference: H. L. Strimple and R. C. Moore. 1971. Crinoids of the LaSalle Limestone (Pennsylvanian) of Illinois. University of Kansas Paleontological Contributions (55)5-48 [J. Alroy/D. Lamb/D. Lamb]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 51191: authorized by John Alroy, entered by David Lamb on 31.05.2005, edited by Loic Villier and Uta Merkel

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names

Demospongiae
Tetractinomorpha -	Belemnospongia parmula² Belemnospongia parmula² Rigby et al. 1979 demosponge
Asteroidea
Ambuloasteroidea - Calliasterellidae	Calliasterella americana¹ Calliasterella americana¹ Kesling and Strimple 1966 sea star
Crinoidea
Monobathrida - Dichocrinidae	Dichocrinus nola n. sp. Dichocrinus nola n. sp. Strimple and Moore 1971 Sea lily
Pisocrinida - Pisocrinidae	Polygonocrinus spiniferus n. sp. Polygonocrinus spiniferus n. sp. Strimple and Moore 1971 Sea lily
Disparida - Allagecrinidae	Isoallagecrinus lasallensis n. sp. Isoallagecrinus lasallensis n. sp. Strimple and Moore 1971 Sea lily
Cladida - Ulocrinidae	Probletocrinus curtus n. gen. n. sp. Probletocrinus curtus n. gen. n. sp. Strimple and Moore 1971 Sea lily
Dendrocrinida - Blothrocrinidae	Elibatocrinus elegans n. sp. Elibatocrinus elegans n. sp. Strimple and Moore 1971 Sea lily
Dendrocrinida - Aesiocrinidae	Moundocrinus cf. osagensis, Polusocrinus avanti Moundocrinus cf. osagensis Sea lily Polusocrinus avanti Sea lily
Dendrocrinida - Staphylocrinidae	Microcaracrinus conjugulus n. sp. Microcaracrinus conjugulus n. sp. Strimple and Moore 1971 Sea lily
Dendrocrinida - Galateacrinidae	Galateacrinus coacervatus n. sp. Galateacrinus coacervatus n. sp. Strimple and Moore 1971 Sea lily
Dendrocrinida - Erisocrinidae	Erisocrinus typus Erisocrinus typus Meek and Worthen 1865 Sea lily
Dendrocrinida - Catacrinidae	Endelocrinus tumidus Endelocrinus tumidus Sea lily
Dendrocrinida - Scytalocrinidae	Haeretocrinus macoupinesis, Haeretocrinus wagneri n. sp. Haeretocrinus macoupinesis Sea lily Haeretocrinus wagneri n. sp. Strimple and Moore 1971 Sea lily
Dendrocrinida - Exocrinidae	Exocrinus wanni Exocrinus wanni Sea lily
Dendrocrinida - Pirasocrinidae	Stenopecrinus cf. planus, Stenopecrinus sp. Stenopecrinus cf. planus Sea lily Stenopecrinus sp. Strimple 1961 Sea lily
Dendrocrinida - Graphiocrinidae	Contocrinus coupi n. sp. Contocrinus coupi n. sp. Strimple and Moore 1971 Sea lily
Dendrocrinida - Apographiocrinidae	Apographiocrinus typicalis Apographiocrinus typicalis Moore and Pummer 1940 Sea lily
Dendrocrinida - Pachylocrinidae	Plummericrinus erectus Plummericrinus erectus Sea lily
Dendrocrinida - Cromyocrinidae	Parulocrinus pontiacensis n. sp., Ulocrinus sangamonensis, Ulocrinus convexus Parulocrinus pontiacensis n. sp. Strimple and Moore 1971 Sea lily Ulocrinus sangamonensis Sea lily Ulocrinus convexus Sea lily
Dendrocrinida - Anobasicrinidae	Terpnocrinus ocoyaensis n. gen. n. sp., Sciadiocrinus tegillum n. sp., Anobasicrinus brevis n. sp. Terpnocrinus ocoyaensis n. gen. n. sp. Strimple and Moore 1971 Sea lily Sciadiocrinus tegillum n. sp. Strimple and Moore 1971 Sea lily Anobasicrinus brevis n. sp. Strimple and Moore 1971 Sea lily
Dendrocrinida - Laudonocrinidae	Laudonocrinus subsinuatus Laudonocrinus subsinuatus Sea lily
Dendrocrinida - Stellarocrinidae	Stellarocrinus cf. virgilensis, Stellarocrinus bilineatus n. sp., Brabeocrinus christinae n. gen. n. sp. Stellarocrinus cf. virgilensis Sea lily Stellarocrinus bilineatus n. sp. Strimple and Moore 1971 Sea lily Brabeocrinus christinae n. gen. n. sp. Strimple and Moore 1971 Sea lily
Dendrocrinida - Pelecocrinidae	Exoriocrinus lasallensis n. gen. Exoriocrinus lasallensis n. gen. Worthen 1875 Sea lily
Poteriocrinina - Clathrocrinidae	Clathrocrinus clinatus n. sp., Clathrocrinus clathratus n. gen. n. sp. Clathrocrinus clinatus n. sp. Strimple and Moore 1971 Sea lily Clathrocrinus clathratus n. gen. n. sp. Strimple and Moore 1971 Sea lily
Ampelocrinida - Calceolispongiidae	Allosocrinus bronaughi Allosocrinus bronaughi Strimple 1949 Sea lily
Ampelocrinida - Ampelocrinidae	Chlidonocrinus erectus n. sp., Halogetocrinus paucus n. gen. Chlidonocrinus erectus n. sp. Sea lily Halogetocrinus paucus n. gen. Strimple and Moore 1971 Sea lily
Taxocrinida - Synerocrinidae	Euonychocrinus simplex n. sp. Euonychocrinus simplex n. sp. Strimple and Moore 1971 Sea lily
Sagenocrinida - Euryocrinidae	Paramphicrinus oklahomaensis n. gen. n. sp. Paramphicrinus oklahomaensis n. gen. n. sp. Strimple and Moore 1971 Sea lily

¹Blake and Elliott 2003; ²Rigby et al. 1979