PBDB Collection

Guttenberg Formation Ostracodes of Iowa (Ordovician of the United States)

Where: Iowa (42.0° N, 94.0° W: paleocoordinates 19.4° S, 65.5° W)

• coordinate estimated from map

• basin-level geographic resolution

When: Guttenberg Formation (Galena Group), Rocklandian (457.3 - 449.6 Ma)

• formation-level stratigraphic resolution

Environment/lithology: brown limestone

• Environmental call by T. Hanson.

• Light-brown limestone. Lithology from C. O. Leverson, A. J. Gerk, R. E. Sloan, & L. A. Bisagno. General section of the Middle and Late Ordovician strata of Northeastern Iowa, Middle and Late Ordovician lithostratigraphy and biostratigraphy of the Upper Mississippi Valley: Minnesota Geological Survey Report of Investigations 35, p.25-39. Edited by R. E. Sloan

Size class: microfossils

Collection methods: chemical,

Primary reference: F. M. Swain. 1987. Middle and Upper Ordovician Ostracoda of Minnesota and Iowa. In R. E. Sloan (ed.), Minnesota Geological Survey Report of Investigations 35:99-101 [S. Holland/T. Hanson/S. Bruning]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 23207: authorized by Steven Holland, entered by Tori Hanson on 10.07.2002

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names

unclassified
-	Eoschmidtella umbonata Eoschmidtella umbonata
Ostracoda
Palaeocopida - Circulinidae	Pedomphalella intermedia, Pedomphalella subovata Pedomphalella intermedia ostracod Pedomphalella subovata ostracod
Palaeocopida - Bolliidae	Dicranella spinosa, Dicranella bicornis, Parenthatia punctata, Bollia subaequata, Maratia sp. Dicranella spinosa ostracod Dicranella bicornis ostracod Parenthatia punctata ostracod Bollia subaequata ostracod Maratia sp. Kay 1940 ostracod
Palaeocopida - Aechminidae	Byrsolopsina ovata, Byrsolopsina planilateralis, Aechmina ionensis Byrsolopsina ovata ostracod Byrsolopsina planilateralis ostracod Aechmina ionensis ostracod
Palaeocopida - Schmidtellidae	Schmidtella affinis, Schmidtella brevis, Paraschmidtella uphami Schmidtella affinis ostracod Schmidtella brevis ostracod Paraschmidtella uphami ostracod
Palaeocopida - Aparchitidae	Aparchites carinatus, Aparchites chatfieldensis, Aparchites ellipticus, Aparchites fimbriatus, Aparchites macrus, Aparchites paratumida, Saccelatia angularis, Saccelatia arcuamuralis, Saccelatia arrecta, Saccelatia bullata, Saccelatia cletifera, Bullatella granilabiatus Aparchites carinatus ostracod Aparchites chatfieldensis ostracod Aparchites ellipticus ostracod Aparchites fimbriatus ostracod Aparchites macrus ostracod Aparchites paratumida ostracod Saccelatia angularis ostracod Saccelatia arcuamuralis ostracod Saccelatia arrecta ostracod Saccelatia bullata ostracod Saccelatia cletifera ostracod Bullatella granilabiatus ostracod
Palaeocopida - Tvaerenellidae	Hesperidella initialis Hesperidella initialis ostracod
Palaeocopida - Euprimitiidae	Euprimitia labiosa, Euprimitia linepunctata, ? Euprimitia celata, Euprimitia sanctipauli, Hallatia convexa, Hallatia duplicata, Primitiella plattevillensis, Primitiella sp., Primitiella constricta, Laccoprimitia fillmorensis Euprimitia labiosa ostracod Euprimitia linepunctata ostracod ? Euprimitia celata ostracod Euprimitia sanctipauli ostracod Hallatia convexa ostracod Hallatia duplicata ostracod Primitiella plattevillensis ostracod Primitiella sp. Ulrich 1894 ostracod Primitiella constricta Ulrich 1894 ostracod Laccoprimitia fillmorensis ostracod
Palaeocopida - Tetradellidae	Bellornatia tricollis, Bromidella depressa, Bromidella rhomboides, Tetradella ellipsilira, Thomasatia falcicosta, Ceratopsis humilinoda Bellornatia tricollis ostracod Bromidella depressa ostracod Bromidella rhomboides ostracod Tetradella ellipsilira ostracod Thomasatia falcicosta ostracod Ceratopsis humilinoda ostracod
Palaeocopida - Eurychilinidae	Eurychilina incurva, Eurychilina partifimbriata, Eurychilina reticulata, Eurychilina ventrosa, Nodambichilina symmetrica Eurychilina incurva ostracod Eurychilina partifimbriata ostracod Eurychilina reticulata ostracod Eurychilina ventrosa ostracod Nodambichilina symmetrica Ulrich 1894 ostracod
Palaeocopida - Hollinidae	Parabolbina antecedans, Parabolbina carinifera, Parabolbina staufferi, Winchellatia lansingensis, Winchellatia longispina, Winchellatia minnesotensis Parabolbina antecedans ostracod Parabolbina carinifera ostracod Parabolbina staufferi ostracod Winchellatia lansingensis ostracod Winchellatia longispina ostracod Winchellatia minnesotensis ostracod
Palaeocopida - Primitiopsidae	? Primitiopsis bella ? Primitiopsis bella ostracod
Palaeocopida - Bassleratiidae	Bassleratia typa Bassleratia typa ostracod
Palaeocopida - Beyrichiidae	Halliella magnipunctata Halliella magnipunctata ostracod
Palaeocopida - Leperditellidae	Leperditella macra, Leperditella millepunctata, Leperditella persimilis, Punctaparchites rugosus Leperditella macra ostracod Leperditella millepunctata ostracod Leperditella persimilis ostracod Punctaparchites rugosus Jones 1858 ostracod
Palaeocopida - Cryptophyllidae	Cryptophyllus sulcatus, Cryptophyllus oboloides Cryptophyllus sulcatus ostracod Cryptophyllus oboloides ostracod
Podocopida - Bairdiocyprididae	Bairdiocypris granti Bairdiocypris granti ostracod
Podocopida - Bairdiidae	Krausella arcuata, Krausella curtispina Krausella arcuata ostracod Krausella curtispina ostracod
Podocopida - Bythocyprididae	? Bythocypris curta ? Bythocypris curta ostracod