Photographed by Michael P. Klimetz
Exogyra arietina
Cretaceous
OKLAHOMA
Monotis sp.
["Paper Clams"]
Pardonet Formation
Upper Triassic
Pine Pass
North West Territories
CANADA
Photographed by Michael P. Klimetz
Photographed by Michael P. Klimetz
Texigryphea mucronata
Cretaceous
Austin
TEXAS
Photographed by Michael P. Klimetz
Ilmatogyra arietina
Cretaceous
San Marcos
TEXAS
Photographed by Michael P. Klimetz
Triassic
Karroo Sandstone
MADAGASCAR
Photographed by Michael P. Klimetz
Cimitata angulata
Cretaceous
Sherman
TEXAS
Photographed by Michael P. Klimetz
Trigonia sp.
Jurassic
Bavaria
GERMANY
Photographed by Michael P. Klimetz
Trigonia daedala
Middle Cretaceous
BELGIUM
Photographed by Michael P. Klimetz
Lopha subovata [Shumard]
Cretaceous
Fort Worth Formation
Hill County
TEXAS
Photographed by Michael P. Klimetz
Agerostrea ungulata (Schlotheim 1813)
Late Cretaceous-Maastrichtian
Maastricht Formation
Meerssen Member
Curfs Quarry
Geulhem
THE NETHERLANDS
Photographed by Michael P. Klimetz
Agerostrea ungulata (Schlotheim 1813)
Late Cretaceous-Maastrichtian
Maastricht Formation
Meerssen Member
Curfs Quarry
Geulhem
THE NETHERLANDS
Photographed by Michael P. Klimetz
Agerostrea ungulata (Schlotheim 1813)
Late Cretaceous-Maastrichtian
Maastricht Formation
Meerssen Member
Curfs Quarry
Geulhem
THE NETHERLANDS
Photographed by Michael P. Klimetz
Agerostrea ungulata (Schlotheim 1813)
Late Cretaceous-Maastrichtian
Maastricht Formation
Meerssen Member
Curfs Quarry
Geulhem
THE NETHERLANDS
Photographed by Michael P. Klimetz
Arca subelongata (Conrad)
Late Cretaceous
Weno Formation
Bryan County
OKLAHOMA
Photographed by Michael P. Klimetz
Texigryphea mucronata
Cretaceous
Glen Rose Formation
Kerville
TEXAS
Photographed by Michael P. Klimetz
Texigryphea mucronata
Cretaceous
Glen Rose Formation
Kerville
TEXAS
Photographed by Michael P. Klimetz
Agerostrea lunata (Nilsson, 1827)
Late Cretaceous-Maastrichtian
Maastricht Formation
Nekum Member
Blom Quarry
Berg en Terblijt
THE NETHERLANDS
Photographed by Michael P. Klimetz
Entolium membranaceum
(Nilsson, 1827)
Late Cretaceous-Maastrichtian
Gulpen Formation
Lanaye Member
Romonbos Quarry
Eben Emael
BELGIUM
Photographed by Michael P. Klimetz
Hyotissa semiplana
(Sowerby, 1825)
Late Cretaceous-Maastrichtian
Gulpen Formation
Vijlen Member
CBR Quarry
Lixhe
BELGIUM
Photographed by Michael P. Klimetz
Liopistha aequivalvis
(Goldfuss, 1841)
Late Cretaceous-Maastrichtian
Maastricht Formation
Meerssen Member
Curfs Quarry
Geulhem
THE NETHERLANDS
Photographed by Michael P. Klimetz
Microchlamys pulchella
(Nilsson, 1827)
Late Cretaceous-Maastrichtian
Gulpen Formation
Vijlen Member
CPL Quarry
Haccourt
BELGIUM
Photographed by Michael P. Klimetz
Neithea regularis
(Schlotheim, 1813)
Late Cretaceous-Maastrichtian
Maastricht Formation
Emael Member
Romontbos Quarry
Eben Emael
BELGIUM
Photographed by Michael P. Klimetz
Liopistha aequivalvis
(Goldfuss, 1844)
Late Cretaceous-Maastrichtian
Maastricht Formation
Meerssen Member
Curfs Quarry
Geulhem
THE NETHERLANDS
Photographed by Michael P. Klimetz
Cyprimeria texana
(Roemer)
Cretaceous
Fredericksburg Formation
Goodland Limestone Member
Tarrant County
TEXAS
Photographed by Michael P. Klimetz
Exogyra texana
(Roemer)
Cretaceous
Fredericksburg Formation
Goodland Limestone Member
Tarrant County
TEXAS
Photographed by Michael P. Klimetz
Gryphaea navia
(Hall)
Cretaceous
Kiamitia Formation
Fredericksburg
Denton County
TEXAS
Photographed by Michael P. Klimetz
Corbula basiniformis
(Adkins)
Cretaceous
Weno Formation
Fredericksburg
Denton County
TEXAS
Photographed by Michael P. Klimetz
Cardium subcongestum
(Boese)
Cretaceous
Goodland Limestone Member
Fredericksburg Group
Fredericksburg
Tarrant County
TEXAS
Photographed by Michael P. Klimetz
Eoradiolites davidsoni
(Hill)
Cretaceous
Edwards Formation
Fredericksburg Group
Sommervell County
TEXAS
Photographed by Michael P. Klimetz
Exogyra arietina
(Roemer)
Cretaceous
Val Verde County
TEXAS
Photographed by Michael P. Klimetz
Gryphaea newberryi
(Roemer)
Cretaceous
UTAH
Photographed by Michael P. Klimetz
Gryphaea marcoui
(Hill and Vaughan)
Cretaceous
Walnut Limestone Member
Fredericksburg Group
Tarrant County
TEXAS
Photographed by Michael P. Klimetz
Lima wacoensis
(Roemer)
Cretaceous
Goodland Limestone Member
Fredericksburg Formation
Tarrant County
TEXAS
Photographed by Michael P. Klimetz
Nucula ventricosa
(Hall)
Cretaceous
Wayland Shale Member
Graman Formation
Coleman County
TEXAS
Photographed by Michael P. Klimetz
Pecten subalpinus
(Boese)
Cretaceous
Goodland Limestone Member
Fredericksburg Formation
Tarrant County
TEXAS
Photographed by Michael P. Klimetz
Phaladomya sancti-sabae
(Roemer)
Cretaceous
Goodland Limestone Member
Fredericksburg Formation
Tarrant County
TEXAS
Photographed by Michael P. Klimetz
Anadara idonea
(Roemer)
Cretaceous
St. Mary's Formation
St. Mary's River
MARYLAND
Photographed by Michael P. Klimetz
Astarte cuneiformis
(Roemer)
Cretaceous
Calvert Formation
Plum Point
MARYLAND
Photographed by Michael P. Klimetz
Crassatellites vadosus
(Roemer)
Cretaceous
Coon Creek Tongue
McNairy Sand
McNairy County
TENNESSEE
Photographed by Michael P. Klimetz
Ostrea falcata
(Roemer)
Cretaceous
Eutaw Formation
Livingston
Sumter County
ALABAMA
Photographed by Michael P. Klimetz
Unidentified
Cretaceous
Eutaw Formation
Livingston
Sumter County
ALABAMA
Photographed by Michael P. Klimetz
Anomia argentaria
Cretaceous
Ripley Formation
Eufaula
Barbour County
ALABAMA
Photographed by Michael P. Klimetz
Pecten quinquecostatas
Cretaceous
Coon Creek Site
McNairy County
TENNESSEE
Photographed by Michael P. Klimetz
Gryphaea
Upper Cretaceous
Pierre Shale
SOUTH DAKOTA
Photographed by Michael P. Klimetz
Gryphaea
Upper Cretaceous
Pierre Shale
SOUTH DAKOTA
Photographed by Michael P. Klimetz
Pterotrigonia crenulata
Lower Cretaceous-Aptian
Alcaine
Teruel
SPAIN
Photographed by Michael P. Klimetz
Pterotrigonia crenulata
Lower Cretaceous-Aptian
Alcaine
Teruel
SPAIN
Photographed by Michael P. Klimetz
Pterotrigonia crenulata
Lower Cretaceous-Aptian
Alcaine
Teruel
SPAIN
Photographed by Michael P. Klimetz
Pterotrigonia crenulata
Lower Cretaceous-Aptian
Alcaine
Teruel
SPAIN
Photographed by Michael P. Klimetz
Pterotrigonia crenulata
Lower Cretaceous-Aptian
Alcaine
Teruel
SPAIN
Photographed by Michael P. Klimetz
Texigryphea
Cretaceous
TEXAS
Photographed by Michael P. Klimetz
Texigryphea
Cretaceous
TEXAS
Photographed by Michael P. Klimetz
Texigryphea
Cretaceous
TEXAS
Photographed by Michael P. Klimetz
Inoceramus barabina
Upper Cretaceous
Pierre Shale
Newcastle
WYOMING
Photographed by Michael P. Klimetz
Glycimeris veatchii
Upper Cretaceous
Redding
Shasta County
CALIFORNIA
Photographed by Michael P. Klimetz
Laternula simondsi
Cretaceous
Glen Rose Formation
Kerville
TEXAS
Photographed by Michael P. Klimetz
Laternula simondsi
Cretaceous
Glen Rose Formation
Kerville
TEXAS
Photographed by Michael P. Klimetz
Neithea subalpina
Cretaceous
Comanche Peak Formation
Highway 10
Segoria
TEXAS
Photographed by Michael P. Klimetz
Neithea subalpina
Cretaceous
Comanche Peak Formation
Highway 10
Segoria
TEXAS
Photographed by Michael P. Klimetz
Palaeonucula hausmanni
Jurassic-Toarcian
Tournemire
Roquefort-sur-Soulzon
FRANCE
Photographed by Michael P. Klimetz
Plicatula sp.
Cretaceous
Weno Formation
Fort Worth
TEXAS