TMM Tehuacana 1 (Paleocene to of the United States)

Where: Limestone County, Texas (31.7° N, 96.5° W: paleocoordinates 36.2° N, 77.7° W)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Tehuacana Member (Kincaid Formation), Early/Lower Paleocene to Early/Lower Paleocene (66.0 - 58.7 Ma)

• very likely Tehuacana LS of Kincaid, labeled "Midway"

• group of beds-level stratigraphic resolution

Environment/lithology: shallow subtidal; unlithified, gray, silty marl

• grey silty marl

Size class: mesofossils

Reposited in the TMM

• TMM Catalog #NPL 4618

Primary reference: J. A. Sessa, M. E. Patzkowsky, and T. J. Bralower. 2009. Impact of lithification on the diversity, size distribution, and recovery dynamics of marine invertebrate assemblages. Geology 37(2):115-118 [M. Patzkowsky/J. Sessa/J. Sessa]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 86328: authorized by Mark Patzkowsky, entered by Jocelyn Sessa on 29.01.2009

Creative Commons license: CC BY (attribution)

Taxonomic list

Scaphopoda
 Dentaliida - Dentaliidae
Dentalium sp. Linnaeus 1758 tusk shell
Gastropoda
 Epitonioidea - Epitoniidae
Epitonium dolosum wentletrap
Epitonium (Ferminoscala?) dolosum
 Cerithioidea - Turritellidae
Turritella hilli turret shell
 Sorbeoconcha - Naticidae
Naticidae indet. Guilding 1834 moon snail
Natica sp. Scopoli 1777 moon snail
 Sorbeoconcha - Ranellidae
"Cymatium (Ranularia) hula" = Ranularia
"Cymatium (Ranularia) hula" = Ranularia triton shell
 Neogastropoda - Costellariidae
 Neogastropoda - Olivellidae
 Neogastropoda - Cancellariidae
? Cancellaria sp. Lamarck 1799 snail
"Cancellaria"
 Neogastropoda - Fasciolariidae
 Neogastropoda - Melongenidae
 Neogastropoda - Nassariidae
"Tritiaria ? emoryi" = Nassarius (Tritiaria)
"Tritiaria ? emoryi" = Nassarius (Tritiaria) snail
 Neogastropoda - Volutidae
"Volutocorbis rugatus" = Athleta (Volutocorbis)
"Volutocorbis rugatus" = Athleta (Volutocorbis) volute
 Neogastropoda - Clavatulidae
"Surcula ? sp." = Turricula
"Surcula ? sp." = Turricula Schumacher 1817 snail
 Neogastropoda - Turridae
"Coronia mediavia" = Gemmula (Coronia)
"Coronia mediavia" = Gemmula (Coronia) turrid
 Heterostropha - Acteonidae
 Opisthobranchia - Retusidae
Bivalvia
 Nuculanida - Nuculanidae
Jupiteria sp. Bellardi 1875 pointed nut clam
Jupiteria (labeled "Leda" sp)
Jupiteria smirna pointed nut clam
 Pholadida - Corbulidae
 Cardiida - Cardiidae
Cardium sp. Linnaeus 1758 cockle
 Lucinida - Lucinidae
Saxolucina ? sp. Stewart 1930 clam
 Carditida - Carditidae
"Venericardia wilcoxensis" = Venericardia (Baluchicardia) wilcoxensis
"Venericardia wilcoxensis" = Venericardia (Baluchicardia) wilcoxensis Dall 1903 clam
Venericardia wilcoxensis subsp.
 Ostreida - Ostreidae
Ostrea pulaskensis Harris 1892 oyster
 Arcida - Arcidae
Barbatia sp. Gray 1842 clam
 Arcida - Cucullaeidae
Cucullaea sp. Lamarck 1801 clam
Anthozoa
 Hexacorallia -
Scleractinia indet. Bourne 1900 stony coral