Keywords: Ophiomorpha elk basin.jpg Ichnofossil called Ophiomorpha in the sandstone of the Parkman Member of the Clagget Formation in Elk Basin on the Montana/Wyoming border Taken June 1997 Hammer for scale 2009-5-10 Own <br />Transferred from http //en wikipedia org en wikipedia Jstuby at http //en wikipedia org en wikipedia en wikipedia Jstuby Original upload log page en wikipedia Ophiomorpha_elk_basin jpg 2009-05-10 20 26 Jstuby 588×345 223963 bytes <nowiki>Ichnofossil called Ophiomorpha in the sandstone of the Parkman Member of the Clagget Formation in Elk Basin on the Montana/Wyoming border Taken June 1997 Hammer for scale </nowiki> Ophiomorpha |