Lewis (Cretaceous of the United States)

Where: Wise County, Texas (33.1° N, 97.6° W: paleocoordinates 30.6° N, 57.2° W)

• coordinate based on political unit

• small collection-level geographic resolution

When: Middle Member (Paluxy Formation), Albian (113.0 - 100.5 Ma)

• said to be Albian

• bed-level stratigraphic resolution

Environment/lithology: terrestrial; sandy claystone

• "sandy clay matrix" (Tasch 1967)

Size class: mesofossils

Collected by B. H. Slaughter

Collection methods: bulk,

• SMU collection

Primary reference: B. H. Slaughter. 1969. Astroconodon, the Cretaceous Triconodont. Journal of Mammalogy 50(1):102-107 [J. Alroy/J. Alroy/J. Ju]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 14391: authorized by John Alroy, entered by John Alroy on 15.05.2002, edited by Matthew Carrano

Creative Commons license: CC BY (attribution)

Taxonomic list

Branchiopoda
 Diplostraca - Lioestheriidae
"? Cyzicus (Lioestheria) sp." = Lioestheria1
"? Cyzicus (Lioestheria) sp." = Lioestheria1 Deperet and Mazeran 1912 clam shrimp
Actinopteri
 Teleostei - Aspidorhynchidae
Belonostomus sp.2 Agassiz 1843
SMUSMP 62135
 Pycnodontiformes - Pycnodontidae
Nonaphalagodus trinitiensis n. gen. n. sp.2, Callodus coronatus n. gen. n. sp.2
Nonaphalagodus trinitiensis n. gen. n. sp.2 Thurmond 1974
SMPSMP 62086
Callodus coronatus n. gen. n. sp.2 Thurmond 1974
SMPSMP 62087, 62107
 Pycnodontiformes - Nursallidae
Palaeobalistum rectidens n. sp.2 Thurmond 1974
SMUSMP 62105, 61624, 62106, 62114, 62116
 Lepisosteiformes -
Lepidotes sp.2 Agassiz 1843 gar
 Lepisosteiformes - Lepisosteidae
? Lepisosteus sp.2 Agassiz 1843 gar
SMUSMP 62252
Coelacanthimorpha
 Coelacanthiformes - Coelacanthidae
? Coelacanthidae indet.2 Agassiz 1843 coelacanth
SMUSMP 62239
Mammalia
 Eutriconodonta - Triconodontidae
Astroconodon denisoni Patterson 1951 mammal