Redding Formation

Filed under the Pacheco Group. Members recorded: Bellavista Sandstone, Hooten Gulch Mudstone, Frazier Siltstone, Frazier, Bellavista, Bear Creek Sandstone, Bella Vista, Oak Run Conglomerate, Melton, Hooten Gulch, Bear Creek, Oak Run.

Macrostrat dates this rock 101–66 Ma. Macrostrat’s own record

13 distinct localities, where the rock is now rather than where it was laid down. Tectonics draws the world it belonged to.

When

• Late Cretaceous829 fossils

What has been found

• Ostrea malleiformis35
• Natica (Gyrodes) conradiana30
• Biplica isoplicata29
• Gymnarus manubriatus29
• Actaeonella oviformis25
• Glycymeris pacifica24
• Anchura (Helicaulax) condoniana22
• Gyrodes (Gyrodes) dowelli22
• Pterotrigonia klamathonia22
• Carota mitraeformis20
• Cucullaea (Idonearca) gravida20
• Paosia californica17
• Tenea16
• Acteon politus15
• Ampullina pseudoalveata15
• Calva (Calva) regina15
• Turritella robusta15
• Meekia (Mygallia) takeoana14
• Willimactra (Willimactra) putida14
• Liocium punctatum13
• Atresius liratus12
• Yezoites puerculus12
• Carota dilleri11
• Acteonella frazierensis10
• Calliomphalus (Calliomphalus)8
• Plectocion curvirostris8
• Turritella hearni8
• Baculites boulei7
• Glycymerita veatchii7
• Hypophylloceras (Neophylloceras) ramosum7
• Paosia ursula7
• Perissitys cretacea7
• Biplica heteroplicata6
• Nerita salsa6
• Perissitys elaphia6
• Tetragonites glabrus6
• Tragodesmoceras ashlandicum6
• Trigonarca6
• Calva (Egelicalva) taffi5
• Diozoptyxis ursana5

The 40 most often recorded, of 181.

What else lived thenRank the rock of a period