The Cow Branch Formation is a Late Triassic (Carnian to Norian, or Tuvalian in the regional stratigraphy) geologic formation in the eastern United States. Indeterminate fossil ornithischian tracks have been reported from the formation.
Fossil content
The following fossils have been reported from the formation:
Reptiles
Mecistotrachelos apeoros
Tanytrachelos ahynis
cf. Pariostegus sp. Anthophyta indet.
Fish
Diplurus cf. newarki
Cionichthys sp. Semionotus sp. Synorichthys sp. Turseodus sp.
Ichnofossils
Anchisauripus milfordensis
Arachnids
Argyrarachne solitus
Insects
Alinka cara
Architipula youngi
Brachyrhyphus distortus
Cascadelcana virginiana
Crosaphis virginiensis
Holcoptera solitensis
Leehermania prorova
Metarchilimonia krzeminskorum
M. solita
Mormolucoides articulatus
Phyloblatta grimaldii
Prosechamyia dimedia
P. trimedia
Pseudopolycentropodes virginicus
Triassonepa solensis
Triassopsychoda olseni
Triassothrips virginicus
Veriplecia rugosa
Virginiptera certa
V. lativentra
V. similis
Yalea argentata
Y. rectimedia
Archescytinidae indet. Blattodea indet. Diptera indet. Naucoridae indet. Orthoptera indet. Phoroschizidae indet. Thysanoptera indet. Tipulomorpha indet.
Flora
Lonchopteris virginiensis
Pagiophyllum diffusum
P. simpsoniae
Zamites powellii
cf. Acrostichites linnaeafolius
cf. Compsostrobus neotericus
Glyptolepis cf. platysperma
Neocalamites cf. knowltonii
cf. Zamiostrobus lissocardus
Dictyophyllum sp. Glandulozamites sp. Lepacyclotes sp. Lepidodendron sp. Pagiophyllum sp. Pelourdea sp. Podozamites sp. Pterophyllum sp. Sphenozamites sp. Wingatea sp. cf. Dechellyia sp. cf. Elatocladus sp. cf. Grammaephloios sp. cf. Sagenopteris sp.