Published in Scientific Papers Natural History Museum the University of Kansas, in 2001, in volume 20, pages 1-9
Published in Scientific Papers Natural History Museum the University of Kansas, in 2001, in volume 21, pages 1-11
Published in Scientific Papers Natural History Museum the University of Kansas, in 2001, in volume 22, pages 1-10
Published in Scientific Papers Natural History Museum the University of Kansas, in 2001, in volume 23, pages 1-9