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Midway - Wills Point, Texas, USA

Group	Midway
Formation	Wills Point
Member(s)	Kerens Mexia Mexia Clay Solomon Creek Venericardia bulla zone
Age:	66.0 - 58.7 Ma Paleocene
Interval	Early Paleocene - Middle Paleocene
Lithology	claystone, mudstone, marl, sandstone, siltstone, "limestone", grainstone
Number of Collections	89
Number of Occurrences	312

Recorded Sample Locations

Location	Region	Stratigraphic Name
West of Mexia-Wortham road	Limestone County, Texas, USA	Midway - Wills Point - Mexia
Solomon Farm	Bastrop County, Texas, USA	Midway - Wills Point - Solomon Creek
YPM Locality 972 Wills Point	Travis County, Texas, USA	Midway - Wills Point
TAMU Wills Point 1	Bastrop County, Texas, USA	Midway - Wills Point
TMM Wills Point 1	Freestone County, Texas, USA	Midway - Wills Point
TMM Midway 2	Bexar County, Texas, USA	Midway - Wills Point
TMM Wills Point 2	Limestone County, Texas, USA	Midway - Wills Point
TMM Wills Point 4	Caldwell County, Texas, USA	Midway - Wills Point
Colorado River	Bastrop County, Texas, USA	Midway - Wills Point
TxBas-02	Bastrop County, Texas, USA	Midway - Wills Point
TMM Wills Point 11	Maverick County, Texas, USA	Midway - Wills Point
TMM Wills Point 13	Navarro County, Texas, USA	Midway - Wills Point
TMM Midway 1	Caldwell County, Texas, USA	Midway - Wills Point
Garvie-Frost Bluff-Kincaid	Milam County, Texas, USA	Midway - Wills Point
PRI Wills Point 1	Travis County, Texas, USA	Midway - Wills Point
TAMU Pisgah 1	Falls County, Texas, USA	Midway - Wills Point
TMM Wills point 16 -lithified	Bexar County, Texas, USA	Midway - Wills Point
TMM Wills point 17 -lithified	Medina County, Texas, USA	Midway - Wills Point
TMM Wills point 18 -lithified	Hunt County, Texas, USA	Midway - Wills Point
TMM Kincaid 14 -lithified	Robertson County, Texas, USA	Midway - Wills Point
TMM Wills Point 26 -lithified	Navarro County, Texas, USA	Midway - Wills Point
TMM Wills Point 27 -lithified	Medina County, Texas, USA	Midway - Wills Point
M 191	Bastrop County, Texas, USA	Midway - Wills Point
PRI 3609	Navarro County, Texas, USA	Midway - Wills Point
M 186	Travis County, Texas, USA	Midway - Wills Point
M 213	Freestone County, Texas, USA	Midway - Wills Point
M 257	Henderson County, Texas, USA	Midway - Wills Point - Kerens
M 238	Maverick County, Texas, USA	Midway - Wills Point
PRI 3238	Bastrop County, Texas, USA	Midway - Wills Point
M 532	Bastrop County, Texas, USA	Midway - Wills Point
M 536	Williamson County, Texas, USA	Midway - Wills Point
M 795	Bastrop County, Texas, USA	Midway - Wills Point
M 541	Bexar County, Texas, USA	Midway - Wills Point
M 542	Bexar County, Texas, USA	Midway - Wills Point
M 799	Bexar County, Texas, USA	Midway - Wills Point
M 207	Caldwell County, Texas, USA	Midway - Wills Point
M 561	Caldwell County, Texas, USA	Midway - Wills Point
M 563	Guadalupe County, Texas, USA	Midway - Wills Point
M 829	Milam County, Texas, USA	Midway - Wills Point
M 273	Williamson County, Texas, USA	Midway - Wills Point
M 918	Limestone County, Texas, USA	Midway - Wills Point
M 805	Caldwell County, Texas, USA	Midway - Wills Point
MGT 5	Bexar County, Texas, USA	Midway - Wills Point
M 578	Limestone County, Texas, USA	Midway - Wills Point
USGS 11913 Colorado River	Bastrop County, Texas, USA	Midway - Wills Point
USGS 10846 Tehuacana Creek	Limestone County, Texas, USA	Midway - Wills Point
USGS 10420 Dry Brushy Creek	Williamson County, Texas, USA	Midway - Wills Point
USGS 10794 Lockhart	Caldwell County, Texas, USA	Midway - Wills Point
USGS 10527 Colorado River	Bastrop County, Texas, USA	Midway - Wills Point
USGS 11873 Burke Ranch	Maverick County, Texas, USA	Midway - Wills Point
USGS William Mercer well	Caldwell County, Texas, USA	Midway - Wills Point
USGS 11902 Wilbarger Creek	Bastrop County, Texas, USA	Midway - Wills Point
Foggyhead Creek	Navarro County, Texas, USA	Midway - Wills Point
Station 7	Bastrop County, Texas, USA	Midway - Wills Point - Mexia Clay
Station 12	Limestone County, Texas, USA	Midway - Wills Point - Mexia Clay
Station 19	Navarro County, Texas, USA	Midway - Wills Point - Kerens
Station 21	Limestone County, Texas, USA	Midway - Wills Point - Mexia Clay

Associated Units

Stratigraphic Name	Age	Lithology	Occurrence Records
Eagle Ford	93.5 - 66.0 Ma Late/Upper Cretaceous	sandstone/"shale", "shale"	54
Kincaid - Littig	66.0 - 61.6 Ma Paleocene	siltstone	90
Kincaid - Pisgah	66.0 - 61.6 Ma Paleocene	siltstone, claystone	550
Seguin	61.7 - 55.8 Ma Paleogene	sandstone, claystone	141
Wills Point	66.0 - 58.7 Ma Paleocene	claystone	16
Claiborne - Cook Mountain	41.3 - 38.0 Ma Eocene	claystone, "limestone", sandstone, marl, not reported/marl	1155
Claiborne - Mount Selman	48.6 - 37.2 Ma Eocene	sandstone/"shale", sandstone	22
Claiborne - Reklaw	47.8 - 41.3 Ma Eocene	limestone, "shale", claystone	55
Claiborne - Reklaw - Marquez Shale	56.0 - 47.8 Ma Eocene	claystone, "shale"	508
Claiborne - Weches	47.8 - 41.3 Ma Eocene	marl, sandstone	162
Midway	55.8 - 48.6 Ma Eocene	sandstone, "siliciclastic", marl, claystone, "limestone", "shale"	101
Midway - Kincaid	66.0 - 58.7 Ma Paleocene	sandstone, claystone, "carbonate", marl, packstone, "limestone", "mixed carbonate-siliciclastic"	455
Midway - Kincaid - Littig	66.0 - 61.6 Ma Paleocene	conglomerate, sandstone, marl	67
Midway - Kincaid - Pisgah	66.0 - 61.6 Ma Paleocene	claystone, "limestone"	5
Midway - Kincaid - Tehuacana	66.0 - 58.7 Ma Paleocene	marl, sandstone	163
Midway - Kincaid - Tehuacana Limestone	66.0 - 61.6 Ma Paleocene	claystone	9
Midway - Kincaid - Tehuanacana	66.0 - 59.2 Ma Paleocene		9
Midway - Shark River	66.0 - 58.7 Ma Paleocene	claystone	1
Midway - Wills Point - Kerens	61.6 - 59.2 Ma Paleocene	claystone	8
Midway - Wills Point - Mexia	66.0 - 58.7 Ma Paleocene	shale, siltstone	4
Midway - Wills Point - Mexia Clay	66.0 - 59.2 Ma Paleocene	claystone	19
Midway - Wills Point - Solomon Creek	66.0 - 61.6 Ma Paleocene	siliciclastic	1
Midway - Wills Point - Venericardia bulla zone	66.0 - 58.7 Ma Paleocene	limestone	2
Wilcox	55.8 - 33.9 Ma Paleogene	siltstone/"shale", siltstone, "limestone"	2050

Recorded Fossils

Accepted Name	Type	Hierarchy	Age
Rotularia sp. genus	6	Animalia : Annelida : Polychaeta : Sabellida : Serpulidae : *Rotularia*	66 - 58.7 Ma Paleocene
Cythereis (Pterygocythereis) lemnicata species	7	Animalia : Arthropoda : Ostracoda : Cytheridae : Cythereis : *Cythereis (Pterygocythereis) lemnicata*	66 - 59.2 Ma Paleocene
Cythereis prestwichiana species	7	Animalia : Arthropoda : Ostracoda : Cytheridae : Cythereis : *Cythereis prestwichiana*	66 - 59.2 Ma Paleocene
Cythereis sculptilis species	7	Animalia : Arthropoda : Ostracoda : Podocopida : Trachyleberididae : Cythereis : *Cythereis sculptilis*	66 - 59.2 Ma Paleocene
Cythereis spiniferrima species	7	Animalia : Arthropoda : Ostracoda : Cytheridae : Cythereis : *Cythereis spiniferrima*	66 - 59.2 Ma Paleocene
Loxoconcha corrugata species	7	Animalia : Arthropoda : Ostracoda : Podocopida : Loxoconchidae : Loxoconcha : *Loxoconcha corrugata*	66 - 59.2 Ma Paleocene
Loxoconcha perdecora species	7	Animalia : Arthropoda : Ostracoda : Podocopida : Loxoconchidae : Loxoconcha : *Loxoconcha perdecora*	66 - 59.2 Ma Paleocene
Cytherella excavata species	7	Animalia : Arthropoda : Ostracoda : Platycopina : Cytherellidae : Cytherella : *Cytherella excavata*	66 - 59.2 Ma Paleocene
Cytherella symmetrica species	7	Animalia : Arthropoda : Ostracoda : Platycopina : Cytherellidae : Cytherella : *Cytherella symmetrica*	66 - 59.2 Ma Paleocene
Cytherella tumidosa species	7	Animalia : Arthropoda : Ostracoda : Platycopina : Cytherellidae : Cytherella : *Cytherella tumidosa*	66 - 59.2 Ma Paleocene
Bairdia suborbiculata species	7	Animalia : Arthropoda : Ostracoda : Podocopida : Bairdiidae : Bairdia : *Bairdia suborbiculata*	66 - 59.2 Ma Paleocene
Monoceratina rossae species	7	Animalia : Arthropoda : Ostracoda : Podocopida : Bythocytheridae : Monoceratina : *Monoceratina rossae*	61.6 - 59.2 Ma Paleocene
Monoceratina speciosa species	7	Animalia : Arthropoda : Ostracoda : Podocopida : Bythocytheridae : Monoceratina : *Monoceratina speciosa*	66 - 59.2 Ma Paleocene
Cytheridea multipunctata species	7	Animalia : Arthropoda : Ostracoda : Podocopida : Cytherideidae : Cytheridea : *Cytheridea multipunctata*	66 - 59.2 Ma Paleocene
Eucythere midwayensis species	7	Animalia : Arthropoda : Ostracoda : Podocopida : Eucytheridae : Eucythere : *Eucythere midwayensis*	66 - 59.2 Ma Paleocene
Cytheropteron (Cytheropteron) midwayensis species	7	Animalia : Arthropoda : Ostracoda : Podocopida : Cytheruridae : Cytheropteron : *Cytheropteron (Cytheropteron) midwayensis*	66 - 61.6 Ma Paleocene
Krithe perattica species	7	Animalia : Arthropoda : Ostracoda : Podocopida : Krithidae : Krithe : *Krithe perattica*	66 - 59.2 Ma Paleocene
Paracypris perapiculata species	7	Animalia : Arthropoda : Ostracoda : Podocopida : Candonidae : Paracypris : *Paracypris perapiculata*	66 - 59.2 Ma Paleocene
Argilloecia faba species	7	Animalia : Arthropoda : Ostracoda : Podocopida : Pontocyprididae : Argilloecia : *Argilloecia faba*	66 - 59.2 Ma Paleocene
Brachycythere formosa species	7	Animalia : Arthropoda : Ostracoda : Podocopida : Trachyleberididae : Brachycythere : *Brachycythere formosa*	66 - 59.2 Ma Paleocene
Xestoleberis truncata species	7	Animalia : Arthropoda : Ostracoda : Podocopida : Xestoleberididae : Xestoleberis : *Xestoleberis truncata*	66 - 59.2 Ma Paleocene
Argyrotheca sp. genus	6	Animalia : Brachiopoda : Rhynchonellata : Terebratulida : Megathyrididae : *Argyrotheca*	66 - 59.2 Ma Paleocene
Scleractinia order	4	Animalia : Cnidaria : Anthozoa : Scleractinia	66 - 58.7 Ma Paleocene
Caryophyllia constricta species	7	Animalia : Cnidaria : Anthozoa : Scleractinia : Caryophylliidae : Caryophyllia : *Caryophyllia constricta*	66 - 59.2 Ma Paleocene
Caryophyllia mediavia species	7	Animalia : Cnidaria : Anthozoa : Scleractinia : Caryophylliidae : Caryophyllia : *Caryophyllia mediavia*	66 - 58.7 Ma Paleocene
Paracyathus bastropensis species	7	Animalia : Cnidaria : Anthozoa : Scleractinia : Caryophylliidae : Paracyathus : *Paracyathus bastropensis*	66 - 58.7 Ma Paleocene
Platytrochus primaevus species	7	Animalia : Cnidaria : Anthozoa : Scleractinia : Turbinoliidae : Platytrochus : *Platytrochus primaevus*	66 - 58.7 Ma Paleocene
Trochocyathus coloradoensis species	7	Animalia : Cnidaria : Anthozoa : Scleractinia : Caryophylliidae : Trochocyathus : *Trochocyathus coloradoensis*	66 - 59.2 Ma Paleocene
Trochocyathus uber species	7	Animalia : Cnidaria : Anthozoa : Scleractinia : Caryophylliidae : Trochocyathus : *Trochocyathus uber*	66 - 59.2 Ma Paleocene
Balanophyllia ponderosa species	7	Animalia : Cnidaria : Anthozoa : Scleractinia : Dendrophylliidae : Balanophyllia : *Balanophyllia ponderosa*	66 - 59.2 Ma Paleocene
Flabellum sp. genus	6	Animalia : Cnidaria : Anthozoa : Scleractinia : Flabellidae : *Flabellum*	66 - 58.7 Ma Paleocene
Flabellum conoideum species	7	Animalia : Cnidaria : Anthozoa : Scleractinia : Flabellidae : Flabellum : *Flabellum conoideum*	66 - 58.7 Ma Paleocene
Linthia alabamensis species	7	Animalia : Echinodermata : Echinoidea : Spatangoida : Schizasteridae : Linthia : *Linthia alabamensis*	66 - 59.2 Ma Paleocene
Arca sp. genus	6	Animalia : Mollusca : Bivalvia : Arcida : Arcidae : *Arca*	66 - 59.2 Ma Paleocene
Barbatia sp. genus	6	Animalia : Mollusca : Bivalvia : Arcida : Arcidae : *Barbatia*	66 - 58.7 Ma Paleocene
Cucullaea sp. genus	6	Animalia : Mollusca : Bivalvia : Arcida : Cucullaeidae : *Cucullaea*	66 - 58.7 Ma Paleocene
Glycymeris sp. genus	6	Animalia : Mollusca : Bivalvia : Arcida : Glycymerididae : *Glycymeris*	66 - 59.2 Ma Paleocene
Limopsis sp. genus	6	Animalia : Mollusca : Bivalvia : Arcida : Limopsidae : *Limopsis*	66 - 59.2 Ma Paleocene
Cardium sp. genus	6	Animalia : Mollusca : Bivalvia : *Cardium*	66 - 58.7 Ma Paleocene
Nemocardium sp. genus	6	Animalia : Mollusca : Bivalvia : Cardiida : Cardiidae : *Nemocardium*	66 - 59.2 Ma Paleocene
Tellina sp. genus	6	Animalia : Mollusca : Bivalvia : Cardiida : Tellinidae : *Tellina*	66 - 59.2 Ma Paleocene
Glyptoactis alticostata species	7	Animalia : Mollusca : Bivalvia : Carditida : Carditidae : Glyptoactis : *Glyptoactis alticostata*	66 - 59.2 Ma Paleocene
Venericardia sp. genus	6	Animalia : Mollusca : Bivalvia : Carditida : Carditidae : *Venericardia*	66 - 58.7 Ma Paleocene
Venericardia (Baluchicardia) bulla species	7	Animalia : Mollusca : Bivalvia : Carditida : Carditidae : Baluchicardia : *Venericardia (Baluchicardia) bulla*	66 - 58.7 Ma Paleocene
Venericardia (Baluchicardia) hesperia species	7	Animalia : Mollusca : Bivalvia : Carditida : Carditidae : Baluchicardia : *Venericardia (Baluchicardia) hesperia*	66 - 58.7 Ma Paleocene
Venericardia (Baluchicardia) wilcoxensis species	7	Animalia : Mollusca : Bivalvia : Carditida : Carditidae : Baluchicardia : *Venericardia (Baluchicardia) wilcoxensis*	66 - 58.7 Ma Paleocene
Venericardia (Venericor) jewelli species	7	Animalia : Mollusca : Bivalvia : Carditida : Carditidae : Venericardia : *Venericardia (Venericor) jewelli*	66 - 58.7 Ma Paleocene
Venericardia (Venericor) smithii species	7	Animalia : Mollusca : Bivalvia : Carditida : Carditidae : Venericardia : *Venericardia (Venericor) smithii*	66 - 59.2 Ma Paleocene
Crassatella sp. genus	6	Animalia : Mollusca : Bivalvia : Carditida : Crassatellidae : *Crassatella*	66 - 58.7 Ma Paleocene
Phacoides sp. genus	6	Animalia : Mollusca : Bivalvia : Lucinida : Lucinidae : *Phacoides*	66 - 58.7 Ma Paleocene
Saxolucina sp. genus	6	Animalia : Mollusca : Bivalvia : Lucinida : Lucinidae : *Saxolucina*	66 - 58.7 Ma Paleocene
Brachidontes sp. genus	6	Animalia : Mollusca : Bivalvia : Mytilida : Mytilidae : *Brachidontes*	66 - 58.7 Ma Paleocene
Jupiteria sp. genus	6	Animalia : Mollusca : Bivalvia : Nuculanida : Nuculanidae : *Jupiteria*	66 - 58.7 Ma Paleocene
Ledina smirna species	7	Animalia : Mollusca : Bivalvia : Nuculanida : Nuculanidae : Ledina : *Ledina smirna*	66 - 59.2 Ma Paleocene
Nucula sp. genus	6	Animalia : Mollusca : Bivalvia : Nuculanida : Nuculanidae : *Nucula*	66 - 58.7 Ma Paleocene
Nuculidae family	5	Animalia : Mollusca : Bivalvia : Nuculida : Nuculidae	66 - 58.7 Ma Paleocene
Ostrea crenulimarginata species	7	Animalia : Mollusca : Bivalvia : Ostreida : Ostreidae : Ostrea : *Ostrea crenulimarginata*	66 - 58.7 Ma Paleocene
Atrina sp. genus	6	Animalia : Mollusca : Bivalvia : Ostreida : Pinnidae : *Atrina*	66 - 59.2 Ma Paleocene
Pteria sp. genus	6	Animalia : Mollusca : Bivalvia : Ostreida : Pteriidae : *Pteria*	66 - 58.7 Ma Paleocene
Amusium (Propeamussium) alabamense species	7	Animalia : Mollusca : Bivalvia : Pectinida : Propeamussiidae : Propeamussium : *Amusium (Propeamussium) alabamense*	66 - 59.2 Ma Paleocene
Caryocorbula sp. genus	6	Animalia : Mollusca : Bivalvia : Myida : Corbulidae : *Caryocorbula*	66 - 58.7 Ma Paleocene
Corbula sp. genus	6	Animalia : Mollusca : Bivalvia : Myida : Corbulidae : *Corbula*	66 - 58.7 Ma Paleocene
Corbula (Caryocorbula) sp. subgenus	6.3	Animalia : Mollusca : Bivalvia : Pholadida : Corbulidae : Corbula : *Corbula (Caryocorbula)*	66 - 59.2 Ma Paleocene
Teredo sp. genus	6	Animalia : Mollusca : Bivalvia : Myida : Teredinidae : *Teredo*	66 - 59.2 Ma Paleocene
Siliqua sp. genus	6	Animalia : Mollusca : Bivalvia : Adapedonta : Pharidae : *Siliqua*	66 - 59.2 Ma Paleocene
Periploma sp. genus	6	Animalia : Mollusca : Bivalvia : Periplomatidae : *Periploma*	66 - 58.7 Ma Paleocene
Kelliella sp. genus	6	Animalia : Mollusca : Bivalvia : Venerida : Kelliellidae : *Kelliella*	66 - 59.2 Ma Paleocene
Pitar sp. genus	6	Animalia : Mollusca : Bivalvia : Venerida : Veneridae : *Pitar*	66 - 58.7 Ma Paleocene
Cimomia vaughani species	7	Animalia : Mollusca : Cephalopoda : Nautilida : Hercoglossidae : Cimomia : *Cimomia vaughani*	66 - 61.6 Ma Paleocene
Hercoglossa splendens species	7	Animalia : Mollusca : Cephalopoda : Nautilida : Hercoglossidae : Hercoglossa : *Hercoglossa splendens*	66 - 59.2 Ma Paleocene
Gastropoda class	3	Animalia : Mollusca : Gastropoda	66 - 58.7 Ma Paleocene
Mathilda sp. genus	6	Animalia : Mollusca : Gastropoda : Allogastropoda : Mathildidae : *Mathilda*	66 - 59.2 Ma Paleocene
Ampullina sp. genus	6	Animalia : Mollusca : Gastropoda : Architaenioglossa : Ampullinidae : *Ampullina*	66 - 58.7 Ma Paleocene
Tornatellaea sp. genus	6	Animalia : Mollusca : Gastropoda : Cephalaspidea : Acteonidae : *Tornatellaea*	66 - 58.7 Ma Paleocene
Gilbertina sp. genus	6	Animalia : Mollusca : Gastropoda : Cephalaspidea : Ringiculidae : *Gilbertina*	66 - 59.2 Ma Paleocene
Ringicula sp. genus	6	Animalia : Mollusca : Gastropoda : Cephalaspidea : Ringiculidae : *Ringicula*	66 - 58.7 Ma Paleocene
Acteocina sp. genus	6	Animalia : Mollusca : Gastropoda : Cephalaspidea : Tornatinidae : *Acteocina*	66 - 59.2 Ma Paleocene
Scaphander sp. genus	6	Animalia : Mollusca : Gastropoda : Cephalaspidea : Cylichnidae : *Scaphander*	66 - 59.2 Ma Paleocene
Retusa sp. genus	6	Animalia : Mollusca : Gastropoda : Cephalaspidea : Retusidae : *Retusa*	66 - 58.7 Ma Paleocene
Retusa (Cylichnina) sp. subgenus	6.3	Animalia : Mollusca : Gastropoda : Cephalaspidea : Retusidae : Retusa : *Retusa (Cylichnina)*	66 - 59.2 Ma Paleocene
Colubraria sp. genus	6	Animalia : Mollusca : Gastropoda : Neogastropoda : Colubrariidae : *Colubraria*	66 - 59.2 Ma Paleocene
Laevibuccinum sp. genus	6	Animalia : Mollusca : Gastropoda : Neogastropoda : Buccinidae : *Laevibuccinum*	66 - 58.7 Ma Paleocene
Neptunea sp. genus	6	Animalia : Mollusca : Gastropoda : Neogastropoda : Buccinidae : *Neptunea*	66 - 59.2 Ma Paleocene
Pseudoliva sp. genus	6	Animalia : Mollusca : Gastropoda : Neogastropoda : Pseudolividae : *Pseudoliva*	66 - 58.7 Ma Paleocene
Cancellaria sp. genus	6	Animalia : Mollusca : Gastropoda : Neogastropoda : Cancellariidae : *Cancellaria*	66 - 59.2 Ma Paleocene
Orthosurcula sp. genus	6	Animalia : Mollusca : Gastropoda : Neogastropoda : Clavatulidae : *Orthosurcula*	66 - 58.7 Ma Paleocene
Falsifusus sp. genus	6	Animalia : Mollusca : Gastropoda : Neogastropoda : Turbinellidae : *Falsifusus*	66 - 59.2 Ma Paleocene
Levifusus sp. genus	6	Animalia : Mollusca : Gastropoda : Neogastropoda : Echinofulguridae : *Levifusus*	66 - 58.7 Ma Paleocene
Murex sp. genus	6	Animalia : Mollusca : Gastropoda : Neogastropoda : Muricidae : *Murex*	66 - 59.2 Ma Paleocene
Nassarius sp. genus	6	Animalia : Mollusca : Gastropoda : Neogastropoda : Nassariidae : *Nassarius*	66 - 58.7 Ma Paleocene
Agaronia sp. genus	6	Animalia : Mollusca : Gastropoda : Neogastropoda : Olivellidae : *Agaronia*	66 - 58.7 Ma Paleocene
Exilia sp. genus	6	Animalia : Mollusca : Gastropoda : Neogastropoda : Ptychatractidae : *Exilia*	66 - 58.7 Ma Paleocene
Coronia sp. genus	6	Animalia : Mollusca : Gastropoda : Neogastropoda : Turridae : *Coronia*	66 - 58.7 Ma Paleocene
Turris sp. genus	6	Animalia : Mollusca : Gastropoda : Neogastropoda : Turridae : *Turris*	66 - 58.7 Ma Paleocene
Athleta sp. genus	6	Animalia : Mollusca : Gastropoda : Neogastropoda : Volutidae : *Athleta*	66 - 58.7 Ma Paleocene
Athleta (Volutocorbis) sp. subgenus	6.3	Animalia : Mollusca : Gastropoda : Neogastropoda : Volutidae : Athleta : *Athleta (Volutocorbis)*	66 - 58.7 Ma Paleocene
Architectonica sp. genus	6	Animalia : Mollusca : Gastropoda : Architectonicidae : *Architectonica*	66 - 59.2 Ma Paleocene
Calyptraea sp. genus	6	Animalia : Mollusca : Gastropoda : Littorinimorpha : Calyptraeidae : *Calyptraea*	66 - 58.7 Ma Paleocene
Epitonium sp. genus	6	Animalia : Mollusca : Gastropoda : Epitoniidae : *Epitonium*	66 - 59.2 Ma Paleocene
Scalina sp. genus	6	Animalia : Mollusca : Gastropoda : Epitoniidae : *Scalina*	66 - 59.2 Ma Paleocene
Euspira sp. genus	6	Animalia : Mollusca : *Euspira*	66 - 59.2 Ma Paleocene
Lacunaria sp. genus	6	Animalia : Mollusca : Gastropoda : Littorinimorpha : Naticidae : *Lacunaria*	66 - 58.7 Ma Paleocene
Natica sp. genus	6	Animalia : Mollusca : Gastropoda : Littorinimorpha : Naticidae : *Natica*	66 - 58.7 Ma Paleocene
Naticarius sp. genus	6	Animalia : Mollusca : Gastropoda : Naticidae : *Naticarius*	66 - 59.2 Ma Paleocene
Naticidae family	5	Animalia : Mollusca : Gastropoda : Littorinimorpha : Naticidae	66 - 58.7 Ma Paleocene
Polinices sp. genus	6	Animalia : Mollusca : Gastropoda : Naticidae : *Polinices*	66 - 58.7 Ma Paleocene
Creonella sp. genus	6	Animalia : Mollusca : Gastropoda : Pyramidellidae : *Creonella*	66 - 58.7 Ma Paleocene
Odostomia sp. genus	6	Animalia : Mollusca : *Odostomia*	66 - 59.2 Ma Paleocene
Ptycheulimella sp. genus	6	Animalia : Mollusca : Gastropoda : Pyramidellidae : *Ptycheulimella*	66 - 59.2 Ma Paleocene
Ranularia sp. genus	6	Animalia : Mollusca : Gastropoda : Littorinimorpha : Cymatiidae : *Ranularia*	66 - 59.2 Ma Paleocene
Calyptraphorus sp. genus	6	Animalia : Mollusca : Gastropoda : Littorinimorpha : Rostellariidae : *Calyptraphorus*	66 - 58.7 Ma Paleocene
Teinostoma sp. genus	6	Animalia : Mollusca : Gastropoda : Trochida : Skeneidae : *Teinostoma*	66 - 59.2 Ma Paleocene
Solariorbis sp. genus	6	Animalia : Mollusca : Gastropoda : Littorinimorpha : Tornidae : *Solariorbis*	66 - 58.7 Ma Paleocene
Bittium (Bittium) estellensis species	7	Animalia : Mollusca : Gastropoda : Sorbeoconcha : Cerithiidae : Bittium : *Bittium (Bittium) estellensis*	66 - 59.2 Ma Paleocene
Mesalia sp. genus	6	Animalia : Mollusca : Gastropoda : Turritellidae : *Mesalia*	66 - 59.2 Ma Paleocene
Turritella sp. genus	6	Animalia : Mollusca : Gastropoda : Turritellidae : *Turritella*	66 - 58.7 Ma Paleocene
Dentalium sp. genus	6	Animalia : Mollusca : Scaphopoda : Dentaliida : Dentaliidae : *Dentalium*	66 - 58.7 Ma Paleocene
Cadulus sp. genus	6	Animalia : Mollusca : Scaphopoda : Gadilida : Gadilidae : *Cadulus*	66 - 58.7 Ma Paleocene
Ammobaculites sp. genus	6	Chromista : Foraminifera : Globothalamea : Lituolida : Lituolidae : *Ammobaculites*	61.6 - 59.2 Ma Paleocene

References

Gardner J. (1933) The Midway Group of Texas, The University of Texas Bulletin, Publication Bureau of Economic Geology 3301

Alexander C. I. (1934) Ostracoda of the Midway (Eocene) of Texas, Journal of Paleontology 8 2, 206-237

Vaughan T. W., Popenoe W. P. (1935) The coral fauna of the Midway Eocene of Texas, The University of Texas Bulletin 3301, 325-349

Miller A. K. (1947) Tertiary nautiloids of the Americas, Geological Society of America Memoir 23, 1-234

Palmer K. V., Brann D. C. (1965) Catalogue of the Paleocene and Eocene mollusca of the southern and eastern United States. Part 1. Pelecypoda, Amphineura, Peteropoda, Scaphopoda and Cephalopoda, Bulletins of American Paleontology 48, 1-471

Kiessling W. (2008) New opinions on coral taxonomy

Sessa J. A., Patzkowsky M. E., et al (2009) Impact of lithification on the diversity, size distribution, and recovery dynamics of marine invertebrate assemblages, Geology 37 2, 115-118 doi:10.1130/G25286A.1

Data courtesy of: PBDB: The Paleobiology Database, Creative Commons CC-BY licenced. , GBIF: the Global Biodiversity Information Facility, various licences, iDigBio, various licences, and EOL: The Encyclopedia of Life (Open Data Public Domain). Because fossils are made of minerals too!

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