. "Xerinae" . . "Spermophilus" . . "Spermophilus atricapillus W. Bryant, 1889" . "Animalia" . "Spermophilus atricapillus" . . . . . "Sciuridae" . "Baja California rock squirrel" . . "http://lod.geospecies.org/ses/BNDa9" . . "atricapillus" . . "Chordata" . . . . . . "632445" . . "W. Bryant, 1889" . . "Otospermophilus" . . . . "Rodentia" . . "Spermophilus atricapillus W. Bryant, 1889" . . "Spermophilus atricapillus W. Bryant, 1889" . . "99833" . . . . . . . "2010-07-15T12:42:09-0500" . . . "Mammalia" . . . .