Colorado River (Paleocene of the United States)

Where: Bastrop County, Texas (30.3° N, 97.4° W: paleocoordinates 35.3° N, 78.0° W)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Pisgah Member (Kincaid Formation), Danian (66.0 - 61.6 Ma)

• group of beds-level stratigraphic resolution

Environment/lithology: shallow subtidal; unlithified, sandy claystone

• Hard clay with very little sand.

Size class: mesofossils

Collection methods: bulk, surface (in situ),

• Specimens are in the private collection of Mr. Christopher Garvie. Olivella (labeled Oliva) has specimen number 15404.

Primary reference: C. L. Garvie. 2019. Unpublished collections from the Gulf Coastal Plain. [A. Miller/J. Sessa/W. Foster]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 84467: authorized by Mark Patzkowsky, entered by Jocelyn Sessa on 24.10.2008

Creative Commons license: CC BY (attribution)

Taxonomic list

unclassified
  -
Bivalvia
 Arcida - Arcidae
? Arca sp. Linnaeus 1758 ark
 Arcida - Cucullaeidae
? Cucullaea sp. Lamarck 1801 clam
 Ostreida - Pteriidae
Pteria sp. Scopoli 1777 pearl oyster
 Carditida - Crassatellidae
Crassatella sp. Lamarck 1799 clam
 Carditida - Carditidae
"Venericardia bulla" = Venericardia (Baluchicardia) bulla Dall 1903 clam
Venericardia sp. Lamarck 1801 clam
 Pholadida - Corbulidae
Corbula sp. Bruguière 1789 clam
 Cardiida - Tellinidae
Tellina sp. Linnaeus 1758 tellin clam
 Lucinida - Lucinidae
Lucina sp. Bruguière 1797 clam
 Nuculida - Nuculidae
Nucula sp. Lamarck 1799 nut clam
 Protobranchia - Nuculanidae
Nuculana sp. Link 1807 pointed nut clam
Gastropoda
 Neogastropoda - Olividae
Olivella sp. Swainson 1831 olive snail
Olivella (labeled Oliva)
 Neogastropoda - Melongenidae
Levifusus sp. Conrad 1865 snail
 Neogastropoda - Fasciolariidae
Clavilithes sp. Swainson 1840 snail
 Neogastropoda - Cancellariidae
Cancellariidae indet. Gray 1853 snail
Bonellitia sp. Jousseaume 1887 snail
 Neogastropoda - Volutidae
"Volutocorbis texanus" = Athleta (Volutocorbis)
"Volutocorbis texanus" = Athleta (Volutocorbis) volute
 Neogastropoda - Ptychatractidae
 Neogastropoda - Turridae
Turridae indet. Swainson 1840 turrid
Orthosurcula sp. Casey 1904 turrid
Orthosurcula sp. & langdoni
"aff. Leptosurcula sp." = Turricula (Leptosurcula) Casey 1904 turrid
"Surcula sp." = Turricula Schumacher 1817 turrid
Eosurcula sp. Casey 1904 turrid
Surculites sp. Conrad 1865 turrid
Protosurcula sp. Casey 1904 turrid
Protosurcula sp. Casey 1904 turrid
 Neogastropoda - Raphitomidae
Raphitoma ? sp. Monterosato 1884 snail
 Stromboidea - Strombidae
? Strombidae indet., "Ectinochilus sp." = Rimella
? Strombidae indet. Rafinesque 1815 true conch
"Ectinochilus sp." = Rimella Agasiz 1841 true conch
 Stromboidea - Rostellariidae
Calyptraphorus spp. Conrad 1857 snail
 Calyptraeoidea - Calyptraeidae
Calyptraea sp. Lamarck 1799 slipper shell
 Tonnoidea - Ranellidae
Ranella sp. Lamarck 1816 triton shell
Argobuccinum (Ranella)
 Sorbeoconcha - Turritellidae
Turritella sp. Lamarck 1799 turret shell
Turritella sp., spp., & poor pres
 Sorbeoconcha - Cerithiidae
Bittium sp. Gray 1847 cerith snail
 Heterostropha - Acteonidae
Acteon sp. Montfort 1810 snail
 Pyramidelloidea - Pyramidellidae
Odostomia sp. Fleming 1817 snail
 Architectonicoidea - Architectonicidae
Architectonica sp. Röding 1798 sundial
 Turbinoidea - Turbinidae
Solariorbis sp. Conrad 1865 snail