Ophiura graysonensis (Alexander, 1931)

Remarks

• Collector:     Robert Bowen
• Collection:    Dan Woehr (sent photo)
• Formation:   Washita Group, Grayson Formation
• Location:      McLennan County, TX

General Info

Synonyms (older names and misidentifications in the literature)

• "Brittle Star"

• "Serpent Star"

• 1931 Ophioglypha graysonensis Alexander

• 1959 Ophiura graysonensis (Alexander); Clark

Stratigraphic Occurrence (older names and misidentifications in the literature)

• Washita Group, base and middle of Grayson Formation of north and north-central Texas

Age

• Ophiura graysonensis (Alexander) occurs in the Graysonites adkinsi Young zone or Graysonites lozoi Young zone, Early Cenomanian Stage (~97 mya).

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

• McLennan County, TX
• Tarrant County, TX

Remarks

         For comparison with Goniopygus spp. in the literature, see:

• Alexander, C. I.  1931.  A New Lower Cretaceous Ophiuroid.  Journal of Paleontology, Paleontological Notes 5(2), 152–153, plate 20, fig's 19 & 20.
• Clark, D. L.  1959.  Texas Cretaceous Ophiuroids.  Journal of Paleontology, Paleontological Notes 33(6), 1126–1127.