Published in Transactions of the San Diego Society of Natural History, in 1981, in volume 19, pages 227-250

Created: 2010-02-19, modified: 2011-12-09

Published in Transactions of the San Diego Society of Natural History, in 1981, in volume 19, issue 17, pages 251-268

Created: 2010-02-19, modified: 2013-02-28