ATAS (Eocene of the United States)

Also known as Atascosita Ranch

Where: Nacogdoches County, Texas (31.6° N, 94.5° W: paleocoordinates 33.4° N, 83.3° W)

When: Weches Formation (Claiborne Group), Lutetian (47.8 - 41.3 Ma)

Environment/lithology: shallow subtidal; poorly lithified marl

• glauconitic marl

Size classes: macrofossils, mesofossils

Collected by Christopher Garvie

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: paleoecologic analysis

PaleoDB collection 205417: authorized by William Foster, entered by William Foster on 15.10.2019

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
Gastropoda
 Cerithioidea - Cerithiidae
Dirocerithium wechesense
 Cerithioidea - Turritellidae
Turritella sp.
Turritella sp. Lamarck 1799 turret shell
 Sorbeoconcha - Naticidae
Sinum sp., Neverita limula
Sinum sp. Röding 1798 moon snail
Neverita limula Conrad 1833 moon snail
 Neogastropoda - Turridae
"Coronia sp." = Gemmula (Coronia), Protosurcula sp., Protosurcula gabbii
"Coronia sp." = Gemmula (Coronia) turrid
Protosurcula sp. Casey 1904 turrid
Protosurcula gabbii Conrad 1865 turrid
 Neogastropoda - Cochlespiridae
aff. Cochlespira sp.
aff. Cochlespira sp. Conrad 1865 snail
 Neogastropoda - Olividae
Ancilla sp.
Ancilla sp. Lamarck 1799 olive snail
 Neogastropoda - Buccinidae
Bolis sp., Pseudoliva sp., Monoptygma cf. crassiplicum
Bolis sp. Gardner 1939 true whelk
Pseudoliva sp. Swainson 1840 true whelk
 Neogastropoda - Fasciolariidae
Papillina sp.
 Neogastropoda - Nassariidae
Colwellia sp.
Colwellia sp. Nuttall and Cooper 1973 snail
 Neogastropoda - Melongenidae
Sycostoma sp.
Sycostoma sp. Cox 1931 snail
 Neogastropoda - Muricidae
Pterynotus sp.
Pterynotus sp. Swainson 1833 mustached bat
 Neogastropoda - Volutidae
"Athleta petrosus" = Athleta petrosa, Cryptochorda sp.
"Athleta petrosus" = Athleta petrosa Conrad 1833 volute
Cryptochorda sp. Mörch 1858 volute
 Tectibranchia - Akeridae
? Akera sp.
? Akera sp. Muller 1776 snail
Bivalvia
 Ostreida - Ostreidae
Cubitostrea sellaeformis, Cubitostrea smithvillensis
Cubitostrea sellaeformis Conrad 1832 oyster
Cubitostrea smithvillensis Harris 1919 oyster
 Carditida - Carditidae
Venericardia sp., "Venericardia (Claibornicardia) sp." = Glyptoactis (Claibornicardia)
Venericardia sp. Lamarck 1801 clam
"Venericardia (Claibornicardia) sp." = Glyptoactis (Claibornicardia) Stenzel and Krause 1957 clam
 Carditida - Crassatellidae
Crassatella sp.
Crassatella sp. Lamarck 1799 clam
 Nuculanida - Nuculanidae
Calorhadia sp.
Calorhadia sp. Stewart 1930 pointed nut clam