Also known as 6.4 kilometers southeast of Leslie. USGS Locs: 16257-PC, 25011-PC, 25012-PC, 25021-PC, 22671-PC, 26556-PC, 28537-PC
Where: Van Buren County, Arkansas (35.8° N, 92.5° W: paleocoordinates 12.4° S, 34.0° W)
• coordinate estimated from map
• small collection-level geographic resolution
When: Imo Formation, Serpukhovian (330.9 - 323.2 Ma)
• Elvirian (E2b-c); Appx 30 m above base of fm. JA: late Chesterian is Serpukhovian according to Mii et al. 1999 (GSA Bull 111:960-973)
• bed-level stratigraphic resolution
Environment/lithology: offshore; lithified, concretionary, black, gray, sandy grainstone and shale
Reposited in the OSU, USNM
Primary reference: 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]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 5517: authorized by John Alroy, entered by Mike Sommers on 08.10.1999, edited by Pete Wagner and Matthew Clapham
Creative Commons license: CC BY (attribution)
Taxonomic list
unclassified | |
Anthozoa | |
"Tectamichelina mangeri n. gen. n. sp." = Tectamichelinia5
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Gastropoda | |
"Naticopsis (Naticopsis) genevievensis" = Naticopsis genevievensis3, Naticopsis (Naticopsis) cf. clinovata3
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Retispira aff. ordinata3, Retispira yochelsoni n. sp.3, Patellilabia sulcata n. sp.3, Patellilabia rhombadella n. sp.3, Bellerophon (Bellerophon) welshi3
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Straparollus (Euomphalus) konobasis n. sp.3, Straparollus (Euomphalus) variabilis n. sp.3, "Straparollus (Euomphalus) intermedius" = Amphiscapha intermedius3
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"Globozyga grandyensis" = Imogloba gandyensis3
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Globozyga mediocris n. sp.3
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"Naticopsis (? Marmolatella) sp." = Marmolatella3, Naticopsis (Marmolatella) imoensis n. sp.3, Naticopsis (Marmolatella) macgordoni n. sp.3
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"Platyceras (? Orthonychia) sp." = Orthonychia3
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Trepospira (Angyomphalus) desultoria n. sp.3, "Glabrocingulum (Glabrocingulum) binodosum" = Glabrocingulum binodosum3, "Glabrocingulum (Glabrocingulum) quadrigatum" = Glabrocingulum quadrigatum3, Glabrocingulum (Glabrocingulum) coronulum n. sp.3, Glabrocingulum (Glabrocingulum) parasolum n. sp.3, Glabrocingulum (Glabrocingulum) parvanodum3
"Glabrocingulum (Glabrocingulum) binodosum" = Glabrocingulum binodosum3 Sadlick and Nielsen 1963 snail
"Glabrocingulum (Glabrocingulum) quadrigatum" = Glabrocingulum quadrigatum3 Sadlick and Nielsen 1963 snail | |
"Worthenia (Yochelsonospira) tenuilineata" = Yochelsonospira tenuilineata3
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Cephalopoda | |
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"Cravenoceras miseri" = Stenoglaphyrites miseri1
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Michelinoceras wapanuckense1 Girty 1909 | |
Rayonnoceras protentum n. sp.1
Rayonnoceras protentum n. sp.1 Gordon 1964 | |
Dolorthoceras incisum1 Gordon 1964 | |
? Tripteroceroides sp.1, Reticycloceras croneisi1, Reticycloceras peytonense n. sp.1, Euloxoceras angustius n. sp.1
? Tripteroceroides sp.1 Miller and Furnish 1940
Reticycloceras croneisi1 Gordon 1960
Reticycloceras peytonense n. sp.1 Gordon 1964
Euloxoceras angustius n. sp.1 Gordon 1964 | |
Aphelaeceras arkansanum4, Epistroboceras sp.4, Epistroboceras lesliense n. sp.4, Imonautilus meeki n. gen. n. sp.4
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"Liroceras bicostatum n. sp." = Bistrialites bicostatus1
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Rostroconchia | |
"Pseudoconocardium ? snideri" = Apotocardium snideri2, "Pseudoconocardium polymitarium n. sp." = Apotocardium polymitarium2
"Pseudoconocardium ? snideri" = Apotocardium snideri2 Morgan 1924
"Pseudoconocardium polymitarium n. sp." = Apotocardium polymitarium2 Hoare et al. 1982 | |
Bivalvia | |
Schizodus chesterensis Meek and Worthen 1860 clam | |
Astartella cf. concentrica Conrad 1842 clam | |
Permophorus sp. Chavan 1954 clam | |
Sanguinolites ? simulans Girty 1910 clam
Wilkingia cf. inflata Easton 1962 clam | |
Asketomorpha grandis n. gen. n. sp., "Prothyris (? Prothyris) sp." = Prothyris, Prothyris (Lophoprothyris) crista n. sp., Prothyris (Prothyris) cf. soleniformis, Sedgwickia sp., Ectogrammysia crassatis n. gen. n. sp., ? Sphenotus sp., Sphenotus pisinnus n. sp.
Asketomorpha grandis n. gen. n. sp. Hoare et al. 1989 clam
"Prothyris (? Prothyris) sp." = Prothyris Meek 1871 clam
Prothyris (Lophoprothyris) crista n. sp. Hoare et al. 1989 clam
Prothyris (Prothyris) cf. soleniformis Elias 1957 clam
Sedgwickia sp. McCoy 1844 clam
Ectogrammysia crassatis n. gen. n. sp. Hoare et al. 1989 clam
? Sphenotus sp. Hall 1884 clam
Sphenotus pisinnus n. sp. Hoare et al. 1989 clam | |
Solenomorpha nitida Girty 1910 clam | |
Caneyella cf. wapanuckensis Girty 1909 oyster | |
Euchondria sp. Meek 1874 scallop | |
Aviculopecten spp., Imoella obscura n. gen. n. sp.
Aviculopecten spp. M'Coy 1851 scallop
Imoella obscura n. gen. n. sp. Hoare et al. 1989 scallop | |
Myalina (Myalina) cf. parallela Easton 1962 clam
Septimyalina cf. perattenuata Meek and Hayden 1858 clam
? Naiadites sp. Dawson 1860 clam | |
Parallelodon cf. cancellosus Mather 1915 clam | |
Paleyoldia bruta n. sp., Paleyoldia angustia n. sp.
Paleyoldia bruta n. sp. Hoare et al. 1989 clam
Paleyoldia angustia n. sp. Hoare et al. 1989 clam | |
Phestia corrugata n. sp. Hoare et al. 1989 clam
Phestia obtusa n. sp. Hoare et al. 1989 clam
Phestia wortheni n. sp. Hoare et al. 1989 clam | |
Spathelopsis browni n. gen. n. sp., Palaeoneilo sera
Spathelopsis browni n. gen. n. sp. Hoare et al. 1989 clam
Palaeoneilo sera Girty 1910 clam | |
Nuculopsis "sp. B", Nuculopsis shumardana, Economolopsis gordoni n. gen. n. sp., "Nuculopsis okawensis" = Nuculavus okawensis
Nuculopsis "sp. B" Girty 1912 nut clam
Nuculopsis shumardana Hall 1856 nut clam
Economolopsis gordoni n. gen. n. sp. Hoare et al. 1989 nut clam
"Nuculopsis okawensis" = Nuculavus okawensis Schenck 1939 nut clam |