Ostrea beloiti Logan, 1899

Remarks

• Collector:    Gerardo Perez Reveles

• Formation:  Terlingua Group, Ojinaga Formation

• Location:     Chihuahua, Mexico

General Info

Synonyms (older names and misidentifications in the literature)

• 1884 Ostrea elegantula Newberry; White
• 1899 Ostrea beloiti Logan
• 1903 Ostrea anomioides var. nanus Johnson
• 1903 Ostrea anomioides var. nanus Johnson; Shimer & Blodgett
• 1936 Ostrea elegantula White; Stephenson
• 1937 Ostrea elegantula White; Stephenson
• 1965 Ostrea beloiti Logan; Hattin
• 1980 Ostrea beloiti Logan; Cobban & Hook

Stratigraphic Occurrence

• Austin Group, Blossom Formation of northeast Texas
• Austin Group, Hutchins Chalk of north Texas
• Terlingua Group, Boquillas Formation of West Texas
• Terlingua Group, Chispa Summit Formation of West Texas
• Terlingua Group, Ojinaga Formation of West Texas and Mexico
• Tornillo Group, San Carlos Formation of West Texas
• Tombigbee Sand Member of the Eutaw Formation
• Upper Mancos Shale of New Mexico
• Basal Mesaverde Formation of New Mexico

Age

• Ostrea beloiti Logan ranges from the Late Cenomanian Stage to the Late Santonian Stage (~94−84 mya).

Geographic Occurrence (not an all-inclusive list)

• Bell County, TX
• North central NM
• Culberson County, TX
• El Paso County, TX
• Hudspeth County, TX
• Jeff Davis County, TX
• Northwest NM
• Presidio County, TX
• Red River County, TX
• Russell County, AL

Remarks

         For identification and descriptions, see:

• Cobban, W. A.; Hook, S. C.  1980.  Occurrence of Ostrea beloiti Logan in Cenomanian Rocks of Trans-Pecos Texas.  New Mexico Geological Society Guidebook, 31st Field Conference, Trans-Pecos Region, Southeast New Mexico and West Texas, 169–172.
• Stephenson, L. W.  1936.  New Upper Cretaceous Ostreidae from the Gulf Region.  United States Geological Survey Professional Paper 186-A, 6–8; plate 1, fig's 5–10.