Leptosolen striatula Perkins, 1960

Remarks

• Collector:      Keith Minor

• Formation:    Fredericksburg Group, Bee Caves Limestone (= Upper Walnut Clay in north Texas)

• Location:       Travis County, TX

• Dimensions:   lt = 1.56", widest part = 0.69"         *

• Leptosolen striatula Perkins is characterized by fine striae on the posterior margin, and a prominent constriction that appears as a line radiating from the beak.

General Info

Synonyms (older names and misidentifications in the literature)

• 1960 Leptosolen striatula Perkins

Stratigraphic Occurrence

• Fredericksburg Group, Goodland Limestone of north Texas
• Fredericksburg Group, Bee Caves Limestone of central Texas

Age

• Leptosolen striatula Perkins is a Middle Albian Stage clam (~105 mya).

Geographic Occurrence (not an all-inclusive list)

• Tarrant County, Texas
• Travis County, Texas

Remarks   

For identification and descriptions, see:

• Perkins, B. F.  1960.  Biostratigraphic Studies in the Comanche (Cretaceous) Series of Northern Mexico and Texas.  Geological Society of America Memoir 83, 78, plate 22, fig. 13.