BioStor
 | Synonymical notes on two species of Aulacaspis (Hemiptera: Coccidae) (1924) Proceedings of The Entomological Society of Washington 26: 231-232 |
 | Studies in Neotropical Paleobotany. II. The Miocene Communities of Veracruz, Mexico Alan Graham (1976) Annals of the Missouri Botanical Garden 63: 787-842 |