Marine Invertebrate Fossils of Pierre Shale, Kremmling, CO

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Marine Invertebrate Fossils of Pierre Shale, Kremmling, CO
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$Ammonite\n(Placenticeras?)\nCollector: Tom Nelson$ Ammonite (Placenticeras?) Collector: Tom Nelson	$Gastropods\nCollector: Gail Nelson$ Gastropods Collector: Gail Nelson	$Ammonite, male\nJeletzkytes nodosus$ Ammonite, male Jeletzkytes nodosus	$Reverse\nAmmonite, male\nJeletzkytes nodosus$ Reverse Ammonite, male Jeletzkytes nodosus
$Ammonite\nJeletzkytes nodosus$ Ammonite Jeletzkytes nodosus	$Ammonite\nJeletzkytes nodosus\nAnother view of previous specimen$ Ammonite Jeletzkytes nodosus Another view of previous specimen	$Ammonite\nHoploscaphites sp. (?)$ Ammonite Hoploscaphites sp. (?)	$Ammonite\nHoploscaphites sp. (?)$ Ammonite Hoploscaphites sp. (?)
Unidentified ammonite	$Ammonite\nPlacenticeras costatum$ Ammonite Placenticeras costatum	$Reverse\nAmmonite\nPlacenticeras costatum$ Reverse Ammonite Placenticeras costatum	$Bivalve: Pinna laqueata (razor clam)\n\nOther possiblities: Bivalve (Pinna cretacea, Atrina reginamaris). ID'ed as Pinna laqueata (razor clam) by Keith at cretaceousfossils.com (see image 7500).$ Bivalve: Pinna laqueata (razor clam) Other possiblities: Bivalve (Pinna cretacea, Atrina reginamaris). ID'ed as Pinna laqueata (razor clam) by Keith at cretaceousfossils.com (see image 7500).
$Another view\nBivalve: Pinna laqueata (razor clam)$ Another view Bivalve: Pinna laqueata (razor clam)	$Another view\nBivalve: Pinna laqueata (razor clam)$ Another view Bivalve: Pinna laqueata (razor clam)	$Another view\nBivalve: Pinna laqueata (razor clam)$ Another view Bivalve: Pinna laqueata (razor clam)	$Pinna laqueata (razor clam) image for comparison with previous 4 images. Species also occurs in the following:\n\nNew Jersey: Monmouth Group: Navesink and Mount Laurel Fms; Matawan Group: Woodbury and Merchantville Fms\nDelaware: Matawan Group: Merchantville\nMississippi: Owl Creek Formation (type specimen)\nTexas: Taylor Group: Wolfe City and Anacacho Fms; Navarro Group: Nacatoch Sand (Campanian to Early Maastrichtian ~ same level as the Pierre Shale in Grand County, CO.)\nNotes: Izett, Cobban, & Gill's paper on the Pierre near Kremmling did not list Pinna, nor did Meek & Hayden, Reeside, Conrad, etc.\n{from Keith at Creteceousfossils.com}$ Pinna laqueata (razor clam) image for comparison with previous 4 images. Species also occurs in the following: New Jersey: Monmouth Group: Navesink and Mount Laurel Fms; Matawan Group: Woodbury and Merchantville Fms Delaware: Matawan Group: Merchantville Mississippi: Owl Creek Formation (type specimen) Texas: Taylor Group: Wolfe City and Anacacho Fms; Navarro Group: Nacatoch Sand (Campanian to Early Maastrichtian ~ same level as the Pierre Shale in Grand County, CO.) Notes: Izett, Cobban, & Gill's paper on the Pierre near Kremmling did not list Pinna, nor did Meek & Hayden, Reeside, Conrad, etc. {from Keith at Creteceousfossils.com}
$For reference to Pinna laqueata in previous 5 images\nPlate from Whitfield, R. P. 1886\nFig's 1-2 = Pinna laqueata Conrad\nFig's 3-4 = Pinna rostriformis Morton\nFig 5 = Gervilliopsis ensiformis Conrad\nBrachiopoda and lamellibranchiata of the Raritan clays and greensand marls. Geological Survey of New Jersey; plate XVI.$ For reference to Pinna laqueata in previous 5 images Plate from Whitfield, R. P. 1886 Fig's 1-2 = Pinna laqueata Conrad Fig's 3-4 = Pinna rostriformis Morton Fig 5 = Gervilliopsis ensiformis Conrad Brachiopoda and lamellibranchiata of the Raritan clays and greensand marls. Geological Survey of New Jersey; plate XVI.	Baculite	$Bivalve\nInoceramus sp.$ Bivalve Inoceramus sp.	$Another view\nBivalve\nInoceramus sp.$ Another view Bivalve Inoceramus sp.
Unidentified	$Cross-section of bed of bivalves.\nInoceramus sp.$ Cross-section of bed of bivalves. Inoceramus sp.	$Another view\nCross-section of bed of bivalves.\nInoceramus sp.$ Another view Cross-section of bed of bivalves. Inoceramus sp.	Unidentified ammonite
Unidentified ammonite	Unidentified ammonite	$Ammonite\nHoploscaphites sp. (?)$ Ammonite Hoploscaphites sp. (?)	$Ammonite\nHoploscaphites sp. (?)$ Ammonite Hoploscaphites sp. (?)
$Misc ammonites\nSW00766$ Misc ammonites SW00766	$Misc ammonites\nSW00766$ Misc ammonites SW00766	Unidentified	$Unidentified\nAnother view of previous image$ Unidentified Another view of previous image
Baculite	Misc. baculites	$Bivalves\nInoceramus sp.$ Bivalves Inoceramus sp.

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