Wassonville Fm., southeastern Iowa: Tournaisian, Iowa

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
unclassified
Archaeogastropod sp.
was Pleurotomaria; PJW3
informal Taxocrinid indet.
Nuculanids indet.
Anthozoa - Stauriida - Zaphrentidae
Zaphrentis cliffordana
synonym of Zaphrenthis
Coleolidae
Dentalium grandaevum Winchell 1863
recombined as Coleolus grandaevum
Crinoidea - Monobathrida - Platycrinitidae
Platycrinites sp. Miller 1821
Crinoidea - Monobathrida - Dichocrinidae
Dichocrinus sp. Munster 1839
Crinoidea - Diplobathrida - Rhodocrinitidae
Rhodocrinites sp. Miller 1821
Crinoidea - Dendrocrinida - Scytalocrinidae
Scytalocrinus sp. Wachsmuth and Springer 1880
Crinoidea - Dendrocrinida - Amabilicrinidae
Gilmocrinus sp. Lauden 1933
Gastropoda - Murchisoniina
    = Murchisonioidea indet. Koken 1896
Wagner 2023
Gastropoda - Murchisoniina - Loxonematidae
Loxonema sp. Phillips 1841
Gastropoda - Murchisoniina - Gosseletinidae
Straparollus lens (Hall 1860)
recombined as Angyomphalus lens
Gastropoda - Murchisoniina - Porcelliidae
Porcellia sp. Léveillé 1835
Gastropoda - Murchisoniina - Phymatopleuridae
Worthenia sp. de Koninck 1883
Gastropoda - Euomphalina - Platyceratidae
Strophostylus bivolve (White and Whitfield 1862)
Platyschisma depressa Weller 1900
Gastropoda - Euomphalina - Elasmonematidae
Holopea conica Winchell 1863
recombined as Anematina conica
Gastropoda - Euomphalina
Phanerotinus paradoxus Winchell 1863
recombined as Serpulospira paradoxus
Gastropoda - Euomphalina - Euomphalidae
Straparollus macromphalus Winchell 1863
Gastropoda - Bellerophontida - Bellerophontidae
Bucanopsis sp. Ulrich and Scofield 1897
Bucanopsis perelegans (White and Whitfield 1862)
recombined as Retispira perelegans
Bellerophon blairi Miller and Gurley 1896
Gastropoda - Bellerophontida - Euphemitidae
Warthia sp. Waagen 1880
Euphemus sp. M'Coy 1844
replaced by Euphemites
Gastropoda - Orthonematidae
Aclisina sp. de Koninck 1881
Cephalopoda - Goniatitida - Goniatitidae
Goniatites sp. Haan 1825
Cephalopoda
Nautiloidea indet. Agassiz 1847
Gyroceras sp. de Koninck 1844
invalid subgroup of Nautiloidea
Cephalopoda - Orthocerida - Orthoceratidae
Orthoceras indianense
Rostroconchia - Conocardiida - Conocardiidae
Conocardium sp. Bronn 1835
Bivalvia - Nuculida - Nuculidae
Nuculopsis sp. Girty 1912
Nucula glenparkensis Weller 1906
recombined as Nuculopsis glenparkensis
Nucula iowensis White and Whitfield 1862
synonym of Nuculopsis houghtoni
Bivalvia - Nuculanida - Malletiidae
Palaeoneilo barrisi
Bivalvia - Nuculanida - Nuculanidae
Nuculana sacata
originally entered as "Leda sacata"
Bivalvia - Pholadomyida - Edmondiidae
Edmondia jejunus
Bivalvia - Grammysiidae
Grammysia amygdalinus
Sphenotus sp. Hall 1884
Bivalvia - Modiomorphida - Cypricardiniidae
Cypricardinia sulcifera
Bivalvia - Trigoniida - Schizodidae
Schizodus sedaliensis
Schizodus trigonalis Sayre 1930
Bivalvia - Myalinida - Myalinidae
Myalina sp. de Koninck 1842
Bivalvia - Myalinida - Ambonychiidae
Mytilarca sp. Hall and Whitfield 1869
Bivalvia - Ostreida - Pterineidae
Leptodesma sp. Hall 1883
Leiopteria subovata
spelled with current rank as Leptodesma (Leiopteria)
originally entered as "Liopteria subovata"
Bivalvia - Pectinida - Entoliidae
Pernopecten cooperensis
Pernopecten sp. Winchell 1865
Bivalvia - Pectinida - Aviculopectinidae
Aviculopecten sp. M'Coy 1851
Bivalvia - Cyrtodontida - Cardiolidae
Cardiopsis radiata (Meek and Worthen 1860)
replaced by Cardiola lyoni
Scaphopoda
Scaphopoda indet. Bronn 1862
Rhynchonellata - Orthida - Schizophoriidae
Schizophoria subelliptica
Schizophoria chouteauensis Weller 1914
Rhynchonellata - Orthida - Rhipidomellidae
Rhipidomella sp.
Rhipidomella thiemei (White 1880)
Rhynchonellata - Rhynchonellida - Camarotoechiidae
Camarotoechia chouteauensis
Camarotoechia tuta
Rhynchonellata - Rhynchonellida - Rhynchoporidae
Rhynchopora pustulosa
Rhynchonellata - Rhynchonellida - Trigonirhynchiidae
Macropotamorhynchus tuta
Rhynchonellata - Spiriferinida - Spiriferinidae
Spiriferina subtexta
Spiriferina sp. d'Orbigny 1847
Rhynchonellata - Spiriferinida - Punctospiriferidae
Punctospirifer sp. North 1920
Spiriferina solidirostris (White 1860)
recombined as Punctospirifer solidirostris
Rhynchonellata - Spiriferinida - Syringothyrididae
Syringothyris halli
Rhynchonellata - Athyridida - Retziidae
Eumetria osagensis
Eumetria sp.
Rhynchonellata - Athyridida - Athyrididae
Cleiothyridina sp. Buckman 1906
Rhynchonellata - Athyridida - Nucleospiridae
Nucleospira barrisi
Rhynchonellata - Spiriferida - Reticulariidae
Reticularia cooperensis (Swallow 1860)
Rhynchonellata - Spiriferida - Brachythyrididae
Brachythyris peculiaris
Brachythyris cf. burlingtonensis
originally entered as "Brachythyris cf. burlingtonensis"
Rhynchonellata - Spiriferida - Spiriferidae
Unispirifer platynotus
Spirifer legrandensis
Spirifer platynotus
Spirifer biplicoides
Spirifer louisianensis
Spirifer sp. Sowerby 1818
Rhynchonellata - Spiriferida - Strophopleuridae
? Calvustrigis sp.
originally entered as "Calvustrigus? sp."
Rhynchonellata - Terebratulida - Cranaenidae
Cranaena occidentalis
Rhynchonellata - Terebratulida - Beecheriidae
Dielasma chouteauensis Weller 1914
recombined as Beecheria chouteauensis
Beecheria chouteauensis (Weller 1914)
Strophomenata - Orthotetida - Pulsiidae
Schellwienella sp.
Schellwienella crenulicostata Weller 1914
Schellwienella inaequalis (Hall 1858)
Schellwienella inflata (White and Whitfield 1862)
Schellwienella planumbona Weller 1914
Strophomenata - Orthotetida - Schuchertellidae
Streptorhynchus sp. King 1850
Strophomenata - Strophomenida - Chonetidae
Chonetes multicostata
Chonetes illinoisensis Worthen 1860
Chonetes logani Norwood and Pratten 1855
Chonetes glenparkensis Weller 1906
Strophomenata - Strophomenida - Rugosochonetidae
Plicochonetes sp. Paeckelmann 1930
Rugosochonetes multicastatus
Strophomenata - Strophomenida - Anopliidae
Caenanoplia logani
Strophomenata - Strophomenida - Rafinesquinidae
Leptaena analoga (Phillips 1836)
recombined as Leptagonia analoga
Strophomenata - Productida - Araksalosiidae
Productella concentrica (Hall 1857)
recombined as Chonetipustula concentrica
Strophomenata - Productida - Productellidae
Productus sp.
Strophomenata - Productida - Productidae
Spinocarinifera arcuatus
Piloricilla sedaliensis
Productus arcuatus Hall 1858
recombined as Dictyoclostus arcuatus
Strophomenata - Productida - Linoproductidae
Productus ovatus Hall 1858
recombined as Linoproductus ovatus
Strophomenata - Productida - Monticuliferidae
Ovatia laevicostata
Trilobita - Proetida - Phillipsiidae
Breviphillipsia sp. Hessler 1963
Trilobita - Proetida - Proetidae
Proetus sp. Steininger 1831
Trilobita - Proetida - Brachymetopidae
Proetides insignis
unclassified
Trigeria sp. Bayle 1878
see common names

Geography
Country:United States State/province:Iowa
Coordinates: 41.6° North, 91.3° West (view map)
Paleocoordinates:19.8° South, 35.9° West
Basis of coordinate:based on political unit
Geographic resolution:local area
Time
Period:Carboniferous Epoch:Mississippian
Stage:Tournaisian 10 m.y. bin:Carboniferous 1
*Period:Early/Lower Carboniferous *Epoch:Early/Lower Tournaisian
*Local age/stage:Early/Lower Chouteau
Key time interval:Tournaisian
Age range of interval:358.90000 - 346.70000 m.y. ago
* legacy (obsolete) database fields
Stratigraphy
Formation:Wassonville
Stratigraphic resolution:formation
Stratigraphy comments: Laudon (1931) placed the Wassonville Member in the Hampton Formation. The Wassonville has since been given formation status, and the Hampton is o longer recognized. See Woodson, 1989, An excursion to the historic Gilmore City quarries, Geol. Soc. of Iowa Guidebook 50.
Lithology and environment
Primary lithology:red or brown lithified cherty/siliceous dolomite
Secondary lithology: packstone
Environment:offshore shelf Tectonic setting:cratonic basin
Taphonomy
Collection methods and comments
Reason for describing collection:biostratigraphic analysis
Taxonomic list comments:This list has been added to by Witzke et al., 1990, Stratigraphy and paleoenvironments of Mississippian Strata in Keokuk and Washington Counties, southeast Iowa, Iowa Dept. of Natural Resources, Guidebook Series No. 10.
Metadata
Database number:3309
Authorizer:A. Miller, P. Wagner Enterer:A. Webber, P. Wagner
Modifier:C. Ferguson Research group:marine invertebrate
Collections that are a subset of this one:49823, 49824, 49825, 49826
Created:1999-07-29 11:50:03 Last modified:2004-03-13 22:45:02
Access level:the public Released:2000-11-20 13:53:34
Creative Commons license:CC BY
Reference information

Primary reference:
146. L. R. Laudon. 1931. The Stratigraphy of the Kinderhook Series of Iowa. Iowa Geological Survey 35:333-452 [A. Miller/A. Webber/P. Wagner]

Secondary references:

9042 P. J. Wagner. 2023. Paleozoic Gastropod, Rostroconch, Helcionelloid and Tergomyan Database (2006 - 2023). [P. Wagner/P. Wagner/P. Wagner]