Published in Transactions of the San Diego Society of Natural History, in 1988, in volume 21, pages 203-220
Published in Transactions of the San Diego Society of Natural History, in 1988, in volume 21, pages 221-225
Published in Transactions of the San Diego Society of Natural History, in 1988, in volume 21, pages 227-244
Published in Transactions of the San Diego Society of Natural History, in 1988, in volume 21, issue 5, pages 245-257