Tricrepicephalus texanus (Shumard, 1861) [= Tricrepicephalus coria (Walcott, 1916)]

Name: Tricrepicephalus texanus (Shumard, 1861) [= Tricrepicephalus coria (Walcott, 1916) (see Pratt, 1992)]
Locality: left: North Canyon, Millard County Utah; right: House Range, Millard Co., Utah
Stratigraphy: Weeks Fm., Upper Cambrian
Remarks: left Photo: Matt Heaton; right: Photographed by Brent Lewis

Size: left: 3/4 inch long

Comments:

    The Tricrepicephalus species in the Weeks Formation referred to as T. coria, have been synonomized with T. texanus (see Pratt, 1992, Peters, 2003), although this is not as yet universally accepted. The jury is still out until more specimens of Tricrepicephalus are found.

See also: Weeks Formation Plate 3 (includes: Genevievella granulatus, Tricrepicephalus texanus, Beckwithia typa, and Lingulella sp. ). Many thanks to Dr. Shanan Peters for his permission to use these unpublished plates (Shanan Peters, unpubl. dissertation, 2003). As these are unpublished plates, and the sole property of Dr. Peters, permission from the author must be gained in order to reproduce these plates. Please note that these plates are not from the final, peer-reviewed version of the manuscript.