Wikimedi'Òc

Tracksite, initial guess is Eubrontes (most common in the area), Jurassic - Moenave - Springdale formation - panoramio.jpg - Panoramio upload bot

Ripple Marks in Jurassic Kayenta Formation - panoramio.jpg - Panoramio upload bot

Mudcracks on base of sandstone bed (Kayenta Formation or Navajo Sandstone, Lower Jurassic; Potash-Poison Spider dinosaur tracksite, Williams Bottom, southwest of Moab, Utah, USA) 9 (32339942243).jpg - Rudolphous

Mudcracks on base of sandstone bed (Kayenta Formation or Navajo Sandstone, Lower Jurassic; Potash-Poison Spider dinosaur tracksite, Williams Bottom, southwest of Moab, Utah, USA) 26 (32309969614).jpg - Rudolphous

Ooids Carmel Formation Jurassic.jpg - Wilson44691

Entrada Sandstone over Kayenta Formation over Wingate Sandstone (Jurassic; Red Canyon, Colorado National Monument, Colorado, USA) 1 (23363863244).jpg - Ser Amantio di Nicolao

Entrada Sandstone over Kayenta Formation over Wingate Sandstone (Jurassic; Red Canyon, Colorado National Monument, Colorado, USA) 2 (23883830442).jpg - Ser Amantio di Nicolao

Entrada Sandstone over Kayenta Formation (Jurassic; Red Canyon, Colorado National Monument, Colorado, USA) 1 (23992324685).jpg - Ser Amantio di Nicolao

Entrada Sandstone over Kayenta Formation (Jurassic; Red Canyon, Colorado National Monument, Colorado, USA) 2 (23696612810).jpg - Ser Amantio di Nicolao

Ripple marks in sandstone (Kayenta Formation or Navajo Sandstone, Lower Jurassic; Potash-Poison Spider dinosaur tracksite, Williams Bottom, west of Moab, Utah, USA) 2 (33062528101).jpg - Ser Amantio di Nicolao

Ferruginous quartz-pebble conglomerate (Newark Supergroup, Jurassic; Matawan, New Jersey, USA) (39868094640).jpg - Ser Amantio di Nicolao

Weathered claystones (Pekin Formation, Upper Triassic; Boren Clay Pit, Gulf, North Carolina, USA) 13 (51382969296).jpg - SeichanGant

Weathered claystones (Pekin Formation, Upper Triassic; Boren Clay Pit, Gulf, North Carolina, USA) 12 (51383713109).jpg - SeichanGant

Weathered claystones (Pekin Formation, Upper Triassic; Boren Clay Pit, Gulf, North Carolina, USA) 15 (51383214198).jpg - SeichanGant

Weathered claystones (Pekin Formation, Upper Triassic; Boren Clay Pit, Gulf, North Carolina, USA) 22 (51383213608).jpg - SeichanGant