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: W. J. Foster, C. L. Garvie, A. M. Weiss, A. D. Muscente, M. Aberhan, J. W. Counts, and R. C. Martindale. 2020. Resilience of marine invertebrate communities during the early Cenozoic hyperthermals. Scientific Reports 10:2176 [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

Show authors, comments, and common names
unclassified
  -
Opistobranchia indet.
Gastropoda
 Trochoidea - Skeneidae
Solariorbis sp.
Solariorbis sp. Conrad 1865 snail
 Neotaenioglossa - Calyptraeidae
Calyptraea sp.
Calyptraea sp. Lamarck 1799 slipper shell
 Cerithioidea - Turritellidae
Turritella cf. biplicata, Turritella sp.
Turritella sp. Lamarck 1799 turret shell
Turritella sp., spp., & poor pres
 Cerithioidea - Cerithiidae
Bittium sp.
Bittium sp. Gray 1847 cerith snail
 Neogastropoda - Olividae
Olivella sp.
Olivella sp. Swainson 1831 olive snail
Olivella (labeled Oliva)
 Neogastropoda - Volutidae
"Volutocorbis texanus" = Athleta (Volutocorbis)
"Volutocorbis texanus" = Athleta (Volutocorbis) volute
 Neogastropoda - Melongenidae
Levifusus sp.
Levifusus sp. Conrad 1865 snail
 Neogastropoda - Fasciolariidae
Clavilithes sp.
Clavilithes sp. Swainson 1840 snail
 Neogastropoda - Costellariidae
Orthosurcula sp.
Orthosurcula sp. Casey 1904 ribbed mitre
Orthosurcula sp. & langdoni
 Neogastropoda - Ptychatractidae
Exilia pergracilis
Exilia pergracilis Conrad 1860 snail
 Neogastropoda - Cancellariidae
Cancellariidae indet., Bonellitia sp.
Cancellariidae indet. Gray 1853 snail
Bonellitia sp. Jousseaume 1887 snail
 Neogastropoda - Raphitomidae
Raphitoma ? sp.
Raphitoma ? sp. Monterosato 1884 snail
 Neogastropoda - Turridae
Turridae indet., Protosurcula sp., Protosurcula sp., Surculites sp., Eosurcula sp.
Turridae indet. Swainson 1840 turrid
Protosurcula sp. Casey 1904 turrid
Protosurcula sp. Casey 1904 turrid
Surculites sp. Conrad 1865 turrid
Eosurcula sp. Casey 1904 turrid
 Neogastropoda - Clavatulidae
"Surcula sp." = Turricula, "aff. Leptosurcula sp." = Turricula (Leptosurcula)
"Surcula sp." = Turricula Schumacher 1817 snail
"aff. Leptosurcula sp." = Turricula (Leptosurcula) Casey 1904 snail
 Sorbeoconcha - Strombidae
? Strombidae indet., "Ectinochilus sp." = Rimella
? Strombidae indet. Rafinesque 1815 true conch
"Ectinochilus sp." = Rimella Agassiz 1840 true conch
 Sorbeoconcha - Rostellariidae
Calyptraphorus spp.
Calyptraphorus spp. Conrad 1857 snail
 Sorbeoconcha - Cymatiidae
Ranella sp.
Ranella sp. Lamarck 1816 snail
Argobuccinum (Ranella)
 Heterostropha - Architectonicidae
Architectonica sp.
Architectonica sp. Röding 1798 sundial
 Heterostropha - Pyramidellidae
Odostomia sp.
Odostomia sp. Fleming 1817 snail
 Heterostropha - Acteonidae
Acteon sp.
Acteon sp. Montfort 1810 snail
Bivalvia
 Nuculida - Nuculidae
Nucula sp.
Nucula sp. Lamarck 1799 nut clam
 Nuculanida - Nuculanidae
Nuculana sp.
Nuculana sp. Link 1807 pointed nut clam
 Carditida - Crassatellidae
Crassatella sp.
Crassatella sp. Lamarck 1799 clam
 Carditida - Carditidae
"Venericardia bulla" = Venericardia (Baluchicardia) bulla, Venericardia sp.
"Venericardia bulla" = Venericardia (Baluchicardia) bulla Dall 1903 clam
Venericardia sp. Lamarck 1801 clam
 Lucinida - Lucinidae
Lucina sp.
Lucina sp. Bruguière 1797 clam
 Pholadida - Corbulidae
Corbula sp.
Corbula sp. Bruguière 1789 clam
 Cardiida - Tellinidae
Tellina sp.
Tellina sp. Linnaeus 1758 tellin clam
 Arcida - Cucullaeidae
? Cucullaea sp.
? Cucullaea sp. Lamarck 1801 clam
 Arcida - Arcidae
? Arca sp.
? Arca sp. Linnaeus 1758 ark
 Ostreida - Pteriidae
Pteria sp.
Pteria sp. Scopoli 1777 pearl oyster