USGS 00762 (Cretaceous of the United States)

Also known as Near Chatfield, from fossiliferous concretions in the village and in fields and ravines to the west, Navarro County.

Where: Navarro County, Texas (32.1° N, 96.5° W: paleocoordinates 36.9° N, 68.8° W)

• coordinate based on political unit

• outcrop-level geographic resolution

When: Nostoceras hyatti ammonoid zone, Nacatoch Sand Formation, Late/Upper Campanian (83.5 - 70.6 Ma)

• Stephenson (1941) had this unit as Maastrichtian, Cobban and Kennedy (1995) have updated it to uppermost Campanian via ammonite zonation.

• group of beds-level stratigraphic resolution

Environment/lithology: marine; concretionary lithology not reported

• fossiliferous concretions

Size class: mesofossils

Reposited in the USGS

• T. W. Stanton 1890

Primary reference: L. W. Stephenson. 1941. The larger invertebrate fossils of the Navarro group of Texas. The University of Texas Publication 4101:1-625 [M. Kosnik/M. Kosnik]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 7481: authorized by Matt Kosnik, entered by Matt Kosnik on 18.07.2000

Creative Commons license: CC BY (attribution)

Taxonomic list

Bivalvia
 Arcida - Arcidae
Breviarca nolani clam
Breviarca nolani Stephenson
 Arcida - Glycymerididae
Glycymeris rotundata clam
Glycymeris rotundata kaufmanensis Stephenson
 Arcida - Parallelodontidae
Nemodon adkinsi clam
Nemodon adkinsi Stephenson
 Myalinida - Inoceramidae
Inoceramus sp. Sowerby 1814 clam
Inoceramus sp. d Stephenson 1941 and Inoceramus sp. f Stephenson 1941
Inoceramus ? vanuxemi clam
Inoceramus vanuxemi Meek and Hayden?
 Pectinida - Entoliidae
? Syncyclonema (Syncyclonema) archeri scallop
Pecten (Syncyclonema?) archeri Stephenson
? Syncyclonema (Syncyclonema) simplicius scallop
Pecten (Syncyclonema?) simplicius Conrad
 Pectinida - Pectinoidae
? Radiopecten (Radiopecten) mississippiensis scallop
Pecten (Radiopecten) mississippiensis Conrad?
 Pectinida - Anomiidae
Anomia argentaria Morton 1833 jingle
Anomia argentaria Morton
 Ostreida - Ostreidae
Ostrea owenana oyster
Ostrea owenana Shumard
 Ostreida - Pteriidae
? Pteria ? linguaeformis pearl oyster
Pteria? linguaeformis (Evans and Shumard)?
 Ostreida - Bakevelliidae
Gervillia bryani oyster
Gervillia bryani Stephenson
 Mytilida - Mytilidae
Volsella uddeni mussel
Volsella uddeni Stephenson
 Pholadida - Corbulidae
Corbula rockensis clam
Corbula rockensis Stephenson
Corbula subradiata clam
Corbula subradiata texana Stephenson
Caestocorbula crassaplica Vincent 1910 clam
Corbula crassiplica Gabb
 Cardiida - Arcticidae
Tenea parilis clam
Tenea parilis Conrad
Veniella lineata clam
Veniella lineata (Shumard)
Veniella conradi Morton 1833 clam
Veniella conradi (Morton)
 Cardiida - Glossidae
Glossus bulbosa clam
Isocardia bulbosa Stephenson
 Cardiida - Mactridae
Cymbophora scabellum clam
Cymbophora scabellum Stephenson
 Cardiida - Veneridae
? Cyclorisma pumila venus clam
Cyclorisma? pumila Stephenson
Legumen ellipticum venus clam
Legumen ellipticum Conrad
 Cardiida - Tellinidae
Solyma gardnerae tellin clam
Solyma gardnerae Stephenson
? Solyma parva tellin clam
Solyma? parva Stephenson
Tellina munda tellin clam
Tellina munda Stephenson
 Cardiida - Cardiidae
"Brevicardium sp." = Nemocardium (Brevicardium) Stephenson 1941 cockle
Brevicardium sp.
Cardium (Pachycardium) wadei cockle
Cardium (Pachycardium) waldei Stephenson
Ethmocardium (Ethmocardium) welleri cockle
Cardium (Ethmocardium) welleri Stephenson
Granocardium (Granocardium) sp. Gabb 1868 cockle
Cardium (Granocardium) spp.
Granocardium (Granocardium) tholi cockle
Cardium (Granocardium) tholi Stephenson
 Hiatellida - Hiatellidae
Panopea subplicata clam
Panope subplicata Shumard
 Solenida - Pharidae
Leptosolen biplicata Conrad 1858 clam
Leptosolen biplicatus Conrad
 Pandorida - Laternulidae
? Laternula sulcatina clam
Laternula? sulcatina (Shumard)?
 Thraciida - Periplomatidae
? Periploma edwardsi clam
Periploma? edwardsi Stephenson
 Poromyida - Poromyidae
Liopistha formosa clam
Liopistha formosa Stephenson
Liopistha protexta Conrad 1853 clam
Liopistha protexta (Conrad)
 Lucinida - Lucinidae
Ctena parvilineata clam
Lucina parvilineata Shumard
 Trigoniida - Trigoniidae
Trigonia stantoni Stephenson 1941 clam
Trigonia stantoni Stephenson
 Nuculida - Nuculidae
Nucula chatfieldensis nut clam
Nucula chatfieldensis Stephenson
Nucula nacatochana nut clam
Nucula nacatochana Stephenson
 Protobranchia -
Malletia longifrons clam
Nuculana longifrons (Conrad)
 Protobranchia - Nuculanidae
? Nuculana houstoni pointed nut clam
Nuculana houstoni Stephenson
Gastropoda
 Cephalaspidea - Cylichnidae
Cylichna secalina Shumard 1861 snail
Cylichna secalina Shumard
 Prosobranchia - Acteoninidae
Troostella sublinearis snail
Troostella sublinearis Stephenson
 Neogastropoda - Buccinidae
Buccinopsis crassa Wade 1917 true whelk
Seminola crassa Wade
 Neogastropoda - Melongenidae
"Lomirosa eretacea" = Lomirosa cretacea
"Lomirosa eretacea" = Lomirosa cretacea Wade snail
Lomirosa eretacea (Wade)
 Neogastropoda - Fasciolariidae
Anomalofusus bellulus snail
Anomalofusus bellusus Stephenson
? Bellifusus sp. Stephenson 1941 snail
Bellifusus? sp.
Drilluta crassicostata snail
Drilluta crassicostata Stephenson
Graphidula terebriformis Stephenson 1941 snail
Graphidula terebriformis Stephenson
Ornopsis pulchra snail
Ornopsis pulchra Stephenson
 Neogastropoda - Cancellariidae
Caveola producta snail
Caveola producta Stephenson
Mataxa valida snail
Mataxa valida Stephenson
 Neogastropoda - Paladmetidae
Paladmete inequalis snail
Paladmete inequalis Stephenson
 Neogastropoda - Pholidotomidae
? Medionapus elongatus snail
Medionapus elongatus Stephenson
Morea cancellaria crassa Conrad 1860 snail
Morea cancellaria crassa Stephenson
 Neogastropoda - Volutidae
Liopeplum leioderma Conrad 1860 volute
Liopeplum lioderma longum Stephenson
? Parvivoluta sp. Wade 1926 volute
Parvivoluta? spp.
 Neogastropoda - Turbinellidae
Napulus tuberculatus snail
Napulus tubereulatus Stephenson
 Neogastropoda - Muricidae
Sargana stantoni Weller 1907 murex snail
Sargana stantoni (Weller)
 Neogastropoda - Turridae
Amuletum venustum turrid
Amuletum venustum Stephenson
Beretra contracta turrid
Beretra contracta Stephenson
Beretra firma turrid
Beretra firma Stephenson
 Capuloidea - Capulidae
Capulus spangleri snail
Capulus spangleri Henderson
 Stromboidea - Aporrhaidae
? Drepanochilus martini snail
Drepanochilus? martini Stephenson
Pterocerella densatus snail
Pterocerella densatus nacatochanus Stephenson
Pterocerella poinsettiformis snail
Pterocerella poinsettiformis Stephenson
Anchura lamari snail
Anchura lamari Stephenson
 Naticoidea - Naticidae
Euspira rectilabrum Conrad 1858 moon snail
Polinices rectilabrum (Conrad) and Polinices rectilabrum texanus Stephenson
Polinices stephensoni moon snail
Polinices stephensoni Wade
Gyrodes rotundus moon snail
Gyrodes rotundus Stephenson
Gyrodes subcarinatus moon snail
Gyrodes subcarinatus Stephenson
 Sorbeoconcha - Turritellidae
Turritella anstini, "Haustator trilira" = Turritella trilira
Turritella anstini turret shell
Turritella anstini Stephenson
"Haustator trilira" = Turritella trilira Conrad 1860 turret shell
Turritella trilira Conrad
 Heterostropha - Acteonidae
"Nonacteonina deflexa" = Nonactaeonina, "Nonacteonina graphoides" = Nonactaeonina, Tornatellaea scatesi, Tornatellaea cretacea
"Nonacteonina deflexa" = Nonactaeonina snail
Nonacteonina deflexa Stephenson
"Nonacteonina graphoides" = Nonactaeonina snail
Nonacteonina graphoides Stephenson
Tornatellaea scatesi snail
Tornatellaea scatesi Stephenson
Tornatellaea cretacea Wade 1926 snail
Tornatellaea cretacea appressa Stephenson
 Heterostropha - Ringiculidae
"Ringicula pulchella" = Ringicula (Ringicula) pulchella
"Ringicula pulchella" = Ringicula (Ringicula) pulchella Shumard 1861 snail
Ringicula pulchella Shumard
 Heterostropha - Mathildidae
? Gegania manzaneti snail
Tuba? manzaneti Stephenson
 Basommatophora - Siphonariidae
Anisomyon haydeni pulmonate
Anisomyon haydeni Shumard
 Tectibranchia - Scaphandridae
Ellipsoscapha striatella Shumard 1861 snail
Ellipsoscapha striatella (Shumard)
 Tectibranchia - Akeridae
Akera constricta Stephenson 1941 snail
Akera constricta Stephenson
Scaphopoda
 Dentaliida - Dentaliidae
Dentalium navarroi tusk shell
Dentalium navarroi Stephenson
Cephalopoda
 Ammonitida - Pachydiscidae
"Parapachydiscus arkansanus" = Pachydiscus (Pachydiscus) arkansanus
"Parapachydiscus arkansanus" = Pachydiscus (Pachydiscus) arkansanus Stephenson 1941 ammonite
Parapachydiscus arkansanus Stephenson
 Ammonitida - Scaphitidae
Scaphites rugosus ammonite
Scaphites rugosus Stephenson
"Scaphites pumilus" = Hoploscaphites pumilis Stephenson 1941 ammonite
Scaphites pumilus Stephenson
 Ammonitida - Baculitidae
Baculites claviformis ammonite
Baculites claviformis Stephenson
Baculites undatus Stephenson 1941 ammonite
Baculites undatus Stephenson
 Ammonitida - Nostoceratidae
"Nostoceras helicinum" = Nostoceras helicinus, Nostoceras hyatti, "Nostoceras stantoni" = Nostoceras approximans, "Turrilites splendidus" = Nostoceras splendidum, Helicoceras navarroense
"Nostoceras helicinum" = Nostoceras helicinus Shumard 1861 ammonite
Nostoceras helicinum (Shumard) and Nostoceras helicinum crassum Stephenson
Nostoceras hyatti Stephenson 1941 ammonite
Nostoceras hyatti Stephenson
"Nostoceras stantoni" = Nostoceras approximans Conrad 1855 ammonite
Nostoceras stantoni Hyatt and Nostoceras stantoni prematurum Hyatt and Nostoceras stantoni aberrans Hyatt
"Turrilites splendidus" = Nostoceras splendidum Shumard 1861 ammonite
Turrilites splendidus Shumard
Helicoceras navarroense ammonite
Helicoceras navarroense Shumard
 Ammonitida - Diplomoceratidae
Solenoceras multicostatum ammonite
Solenoceras multicostatum Stephenson
Solenoceras texanum Shumard 1861 ammonite
Solenoceras texanum (Shumard)
 Nautilida - Nautilidae
Eutrephoceras planoventer Stephenson 1941 nautiloid
Eutrephoceras planoventer Stephenson