The geology and paleontology of the marine Pliocene of San Diego, California. Part 2A, Paleontology (Coelenterata, Bryozoa, Brachiopoda, Echinodermata)Authors: Leo George Hertlein | U S GrantPublished in Memoirs of the San Diego Society of Natural History, in 1960, in volume 2, pages 73-133Created: 2014-06-09, modified: 2014-06-09