Macraster obesus Adkins, 1930

Remarks

• Collector:    Keith Minor
• Formation:  Washita Group, Weno Formation
• Location:     Tarrant County, Texas

General Info

Synonyms (older names and misidentifications in the literature)

• 1930 Macraster obesus Adkins
• 1987 Macraster obesus Adkins; Akers & Akers

Stratigraphic Occurrence

• Upper Washita Group, Weno Formation of north–central Texas

Age

• Macraster obesus Adkins occurs in the Mortoniceras (Mortoniceras) wintoni (Adkins) zone of Young, upper Albian stage (~98 mya).

Geographic Occurrence (by no means an all-inclusive list)

• Bell County, TX
• Coryell County, TX
• McLennan County, TX
• Tarrant County, TX

Remarks

• It ranges down into the Fort Worth Formation, according to Finsley.

         For identification and descriptions, see:

• Adkins, W. S. 1930. "Texas Comanchean Echinoids of the Genus Macraster".  In:  Contributions to Geology, 1930. University of Texas Bulletin 3001, 116–119; plate X, figs 2–4; plate XI, fig 6.