Ludwigia murchisonae (Sowerby)
Zonal index species for the lower Aalenian. from the type locality for this species. Beach find. matrix free. To centre one side.
Jurassic, Aalenian, Murchisonae Zone. Bearreraig Sandstone.
Bearreraig, Isle of Skye, Scotland.
Ammonite : 8 cm diam.
