Tetragramma taffi (Cragin, 1893)

Remarks

• Collector:        Eric Rosene
• Formation:      Fredericksburg Group, Goodland Formation
• Location:        Tarrant County, Texas
• Dimensions:    diam  ~ 68 mm
• We would like to thank Kevin Durney for the identification.

General Info

Synonyms (older names and misidentifications in the literature)

• 1893 Diplopodia taffi Cragin

• 1987 Tetragramma taffi (Cragin); Akers & Akers

Stratigraphic Occurrence

• Fredericksburg Group, Goodland Limestone of of north Texas

Age

• Tetragramma taffi (Cragin) occurs in the late Middle Albian Stage (~104 mya).

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

• Tarrant County, Texas

Remarks

         For identification and descriptions, see:

• Akers, R. E.; Akers, T. J.  1987.  Texas Cretaceous Echinoids.  Texas Paleontology Series Publication 3.  Houston:  Paleontology Section, Houston Gem and Mineral Society, p. 50.