PBDB Collection

Loc. 7. M-17. Creed bed & banks of Middle Fork of Little Red River: Serpukhovian, Arkansas

List of taxa

Where & when

Geology

Taphonomy & methods

Metadata & references

Taxonomic list

Rostroconchia - Conocardiida - Pseudobigaleaidae

	Hippocardia cucullata n. sp. Hoare et al. 1988	Hoare et al. 1988
	recombined as Baiosoma cucullata
Bivalvia - Nuculanida - Polidevciidae

	Phestia obtusa Hoare et al. 1989

	Phestia corrugata Hoare et al. 1989
Bivalvia - Nuculanida - Sareptidae

	Paleyoldia bruta Hoare et al. 1989

	Paleyoldia angustia Hoare et al. 1989
Bivalvia - Nuculanida - Malletiidae

	Palaeoneilo sera Girty 1910

	Spathelopsis browni Hoare et al. 1989
Bivalvia - Nuculida - Nuculidae

	Economolopsis gordoni Hoare et al. 1989

	Nuculopsis informal sp. B Girty 1912

	Nuculopsis shumardana (Hall 1856)
Bivalvia - Myalinida - Myalinidae

	Myalina (Myalina) cf. parallela Easton 1962
Gastropoda - Naticopsidae

	Naticopsis (Naticopsis) genevievensis (Meek and Worthen 1867)	Jeffery et al. 1994
	recombined as Naticopsis genevievensis
Gastropoda - Murchisoniina - Lophospiridae

	Worthenia (Yochelsonospira) tenuilineata (Girty 1929)	Jeffery et al. 1994
	recombined as Yochelsonospira tenuilineata
Gastropoda - Murchisoniina - Phymatopleuridae

	Borestus sp. Thomas 1940	Jeffery et al. 1994
Gastropoda - Murchisoniina - Eotomariidae

	Euconospira aff. deserti (Gordon and Yochelson 1987)	Jeffery et al. 1994
	original and current combination Euconospira desereti
Gastropoda - Murchisoniina - Gosseletinidae

	Trepospira (Angyomphalus) desultoria Jeffery et al. 1994	Jeffery et al. 1994

	Glabrocingulum (Glabrocingulum) quadrigatum Sadlick and Nielsen 1963	Jeffery et al. 1994
	recombined as Glabrocingulum quadrigatum

	Glabrocingulum (Glabrocingulum) binodosum Sadlick and Nielsen 1963	Jeffery et al. 1994
	recombined as Glabrocingulum binodosum

	Glabrocingulum (Glabrocingulum) coronulum Jeffery et al. 1994	Jeffery et al. 1994

	Glabrocingulum (Glabrocingulum) parvanodum n. sp. Jeffery et al. 1994	Jeffery et al. 1994

	Glabrocingulum (Glabrocingulum) parasolum Jeffery et al. 1994	Jeffery et al. 1994
Gastropoda - Euomphalina - Euomphalidae

	Straparollus (Euomphalus) konobasis Jeffery et al. 1994	Jeffery et al. 1994

	Straparollus (Euomphalus) variabilis Jeffery et al. 1994	Jeffery et al. 1994
Gastropoda - Bellerophontida - Bellerophontidae

	Retispira yochelsoni Jeffery et al. 1994	Jeffery et al. 1994

	Bellerophon (Bellerophon) welshi Gordon and Yochelson 1987	Jeffery et al. 1994
Gastropoda - Bellerophontida - Euphemitidae

	Euphemites chesterensis Jeffery et al. 1994	Jeffery et al. 1994

	Euphemites whirligigi Jeffery et al. 1994	Jeffery et al. 1994
Gastropoda - Meekospiridae

	Meekospira minuta Weller 1916	Jeffery et al. 1994
Gastropoda - Pseudozygopleuridae

	Pseudozygopleura (Pseudozygopleura) sp. Knight 1930	Jeffery et al. 1994
Gastropoda - Strobeidae

	Globozyga mediocris Jeffery et al. 1994	Jeffery et al. 1994
see common names

Geography

Country:	United States	State/province:	Arkansas	County:	Van Buren
Coordinates:	35.8° North, 92.4° West (view map)
Paleocoordinates:	12.4° South, 33.9° West
Basis of coordinate:	estimated from map
Geographic resolution:	small collection

Time

Period:	Carboniferous	Epoch:	Mississippian
Stage:	Serpukhovian	10 m.y. bin:	Carboniferous 3
Key time interval:	Serpukhovian
Age range of interval:	330.90000 - 323.20000 m.y. ago

Stratigraphy

Formation:	Imo
Regional section:	Elvirian	Regional bed:	30 m
Regional order:	bottom to top
Stratigraphic resolution:	bed
Stratigraphy comments: Elvirian (E2b-c); late Chesterian is Serpukhovian according to Mii et al. 1999 (GSA Bull 111:960-973)

Lithology and environment

Primary lithology:	concretionary,black,gray lithified sandy grainstone
Secondary lithology:	"shale"
Lithology description: ...as much as 104 m of dark-gray to black, fissile, clay shale w/ numerous, large, bright-red, orange, or brown concretions. ...the lower 36 m...contains thin limestones, sandstones, and conglomerates.
Environment:	offshore	Tectonic setting:	cratonic basin
Geology comments: "The environment of deposition...relatively shallow water, low energy offshore area undergoing slow continuous deposition of terrigenous clay with periodic higher-energy incursions of carbonate sediments."

Taphonomy

Modes of preservation:

body

Collection methods and comments

Collection excludes:	some macrofossils
Reason for describing collection:	taxonomic analysis
Museum repositories:	OSU
Taxonomic list comments:Crinoids, bryozoans, brachiopods, bivalves, corals, nautiloids also present.

Metadata

Also known as:	Abandoned community of Elba
Database number:	69285
Authorizer:	P. Wagner	Enterer:	P. Wagner
Modifier:	P. Wagner	Research group:	marine invertebrate
Created:	2007-02-23 23:44:25	Last modified:	2007-02-24 19:43:36
Access level:	the public	Released:	2007-02-23 23:44:25
Creative Commons license:	CC BY

Reference information

Primary reference:

19978.

R. D. Hoare, M. J., I.I.I. Heaney, and R. H. Mapes. 1989. Bivalves (Mollusca) from the Imo Formation (Mississippian, Chesterian) of North-Central Arkansas. Journal of Paleontology 63(5):582-603 [P. Wagner/P. Wagner]

Secondary references:

16008		R. D. Hoare, P.J. Steinker, and R.H. Mapes. 1988. New Carboniferous species of Hippocardia (Rostroconchia, Mollusca) from the midcontinent, USA. Journal of Paleontology 62(6):865-868 [P. Wagner/P. Wagner]
11422		D. L. Jeffery, R.D. Hoare, R.H. Mapes and C.J. Brown. 1994. Gastropods (Mollusca) from the Imo Formation (Mississippian, Chesterian) of north-central Arkansas. Journal of Paleontology 68(1):58-79 [P. Wagner/P. Wagner/P. Wagner]