Brachiopods
Oldest
Youngest
Oleneothyris wimingtonensis
Middle Eocene
Castle Hayne Fm.
New Hanover Co., NC
Hustedia mormoni
Lower Permian
Elmdale Fm.
Pawnee Co., OK
Spirifer opimus
Upper/Middle Pennsylvanian
Naco Fm.
Pinal Co., AZ
Atrypa devoniana
Upper/Middle Devonian
Martin Fm.
Southeast AZ
Leptaena acuticuspidata
Lower Devonian
Haragan Fm.
Johnson Co., OK
Isorthis pygmaea
Lower Devonian
Haragan Fm.
Johnson Co., OK
Zygospira modesta
Middle Silurian
Waldron Shale
Shelby Co., IN
Leptaena richmondensis
Upper Ordovician
Richmond Group
Union Co., IN
Paterina prospectensis
Lower Cambrian
Latham Shale
San Bernardino Co., CA
Middle Eocene
Castle Hayne Fm.
New Hanover Co., NC
Hustedia mormoni
Lower Permian
Elmdale Fm.
Pawnee Co., OK
Spirifer opimus
Upper/Middle Pennsylvanian
Naco Fm.
Pinal Co., AZ
Atrypa devoniana
Upper/Middle Devonian
Martin Fm.
Southeast AZ
Leptaena acuticuspidata
Lower Devonian
Haragan Fm.
Johnson Co., OK
Isorthis pygmaea
Lower Devonian
Haragan Fm.
Johnson Co., OK
Zygospira modesta
Middle Silurian
Waldron Shale
Shelby Co., IN
Leptaena richmondensis
Upper Ordovician
Richmond Group
Union Co., IN
Paterina prospectensis
Lower Cambrian
Latham Shale
San Bernardino Co., CA
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Terebratula sp.
Upper Cretaceous
Upper Chalk Fm.
Kent, England
Derbyia bennetti
Lower Permian
Elmdale Fm.
Pawnee Co., OK
Punctospirifer kentuckiensis
Upper Pennsylvanian
Graford Fm.
Wise Co., TX
Anthracospirifer pellaensis
Upper Mississippian
Pella Fm.
Mahaska Co., IA
Rhipidomella cf. penelope
Middle Devonian
Silica Fm.
Lucas Co., OH
Orthostrophia strophomenoides v. parva
Lower Devonian
Haragan Fm.
Johnson Co., OK
Parmorthis waldronensis
Middle Silurian
Waldron Shale
Waldron, Shelby Co., IN
Rhynchotrema dentatum
Upper Ordovician
Richmond Group
Union Co., IN
Ocnerorthis monticola
Upper Cambrian
Davis Fm.
Elvins, St. Francois Co., MO
Upper Cretaceous
Upper Chalk Fm.
Kent, England
Derbyia bennetti
Lower Permian
Elmdale Fm.
Pawnee Co., OK
Punctospirifer kentuckiensis
Upper Pennsylvanian
Graford Fm.
Wise Co., TX
Anthracospirifer pellaensis
Upper Mississippian
Pella Fm.
Mahaska Co., IA
Rhipidomella cf. penelope
Middle Devonian
Silica Fm.
Lucas Co., OH
Orthostrophia strophomenoides v. parva
Lower Devonian
Haragan Fm.
Johnson Co., OK
Parmorthis waldronensis
Middle Silurian
Waldron Shale
Waldron, Shelby Co., IN
Rhynchotrema dentatum
Upper Ordovician
Richmond Group
Union Co., IN
Ocnerorthis monticola
Upper Cambrian
Davis Fm.
Elvins, St. Francois Co., MO
Spiriferina walcoti
Lower Jurassic
Middle Sinemurian
Doubs, France
Derbyia cymbula
Lower Permian
Moran Fm.
Shackleford Co., TX
Calliprotonia renfrarum
Upper Pennsylvanian
Stephens Co., TX
Pugnax pugnax
Middle Mississipian
Zone B-2 (Beyrichoceras)
Derbyshire, England
Mucrospirifer prolificus
Middle Devonian
Silica Fm.
Lucas Co., OH
Rhipidomelloides oblata
Lower Devonian
Haragan Fm.
Johnson Co., OK
Homoeospira evax
Middle Silurian
Waldron Shale
Shelby Co., IN
Austinella kankakensis
Upper Ordovician
Richmond Group
Union Co., IN
Oxoplecia gouldi
Middle Ordovician
Bromide Formation
Carter Co., OK
Lower Jurassic
Middle Sinemurian
Doubs, France
Derbyia cymbula
Lower Permian
Moran Fm.
Shackleford Co., TX
Calliprotonia renfrarum
Upper Pennsylvanian
Stephens Co., TX
Pugnax pugnax
Middle Mississipian
Zone B-2 (Beyrichoceras)
Derbyshire, England
Mucrospirifer prolificus
Middle Devonian
Silica Fm.
Lucas Co., OH
Rhipidomelloides oblata
Lower Devonian
Haragan Fm.
Johnson Co., OK
Homoeospira evax
Middle Silurian
Waldron Shale
Shelby Co., IN
Austinella kankakensis
Upper Ordovician
Richmond Group
Union Co., IN
Oxoplecia gouldi
Middle Ordovician
Bromide Formation
Carter Co., OK
Eudesia multicostatum
Middle Jurassic
Bathonian
Calvados, France
Chonetes granulifer
Lower Permian
Moran Fm.
Shackleford Co., TX
Composita sp.
Upper Pennsylvanian
Ames Limestone
Carroll Co., OH
Buxtonia semicircularis
Mississippian
Western PA
Athyris spiriferoides
Middle Devonian
Moscow Fm.
Erie Co., NY
Meristella atoka
Lower Devonian
Haragan Fm.
Johnson Co., OK
Whitfiedella nitida
Middle Silurian
Waldron Shale
Shelby Co., IN
Hebertella occidentalis v. sinuata
Upper Ordovician
Liberty Formation
Union Co., IN
Glyptorthis insculpta
Upper Ordovician
Liberty Formation
Union Co., IN
Middle Jurassic
Bathonian
Calvados, France
Chonetes granulifer
Lower Permian
Moran Fm.
Shackleford Co., TX
Composita sp.
Upper Pennsylvanian
Ames Limestone
Carroll Co., OH
Buxtonia semicircularis
Mississippian
Western PA
Athyris spiriferoides
Middle Devonian
Moscow Fm.
Erie Co., NY
Meristella atoka
Lower Devonian
Haragan Fm.
Johnson Co., OK
Whitfiedella nitida
Middle Silurian
Waldron Shale
Shelby Co., IN
Hebertella occidentalis v. sinuata
Upper Ordovician
Liberty Formation
Union Co., IN
Glyptorthis insculpta
Upper Ordovician
Liberty Formation
Union Co., IN
Coenothyris vulgaris v. cycloides
Middle Triassic
Upper Veilsdorf
Thuringia, Germany
Tetractinella trigona
Middle Triassic
Muschelkalk
Huerzburg, Germany
Composita sp.
Lower Permian
Moran Fm.
Shackleford Co., TX
Mesolobus mesolobus
Lower Pennsylvanian
Wapanucka Fm.
Pontotoc Co., TX
Ambocoelia umbonata
Middle Devonian
Silica Fm.
Lucas Co., OH
Levenea subcarinata v. pumilis
Lower Devonian
Haragan Fm.
Johnson Co., OK
Stegerhynchus whitei
Middle Silurian
Waldron Shale
Shelby Co., IN
Trigonirhynchia sulcata
Middle Silurian
Waldron Shale
Jennings Co.
Platystrophia cypha
Upper Ordovician
Richmond Group
Union Co. IN
Middle Triassic
Upper Veilsdorf
Thuringia, Germany
Tetractinella trigona
Middle Triassic
Muschelkalk
Huerzburg, Germany
Composita sp.
Lower Permian
Moran Fm.
Shackleford Co., TX
Mesolobus mesolobus
Lower Pennsylvanian
Wapanucka Fm.
Pontotoc Co., TX
Ambocoelia umbonata
Middle Devonian
Silica Fm.
Lucas Co., OH
Levenea subcarinata v. pumilis
Lower Devonian
Haragan Fm.
Johnson Co., OK
Stegerhynchus whitei
Middle Silurian
Waldron Shale
Shelby Co., IN
Trigonirhynchia sulcata
Middle Silurian
Waldron Shale
Jennings Co.
Platystrophia cypha
Upper Ordovician
Richmond Group
Union Co. IN
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