Küüsikloomade roll lülijalgsete evolutsiooni mõistmises
plan. 4, 6. 459-499. [online]
(http://ehis.ebscohost.com.ezproxy.tlu.ee/ehost/pdfviewer/pdfviewer?sid=7c738895-1958-
42d8-822f-d5386559d587%40sessionmgr14&vid=2&hid=3) (07.03.2012)
Mayer, G., Harzsch, S. 2007. Immunolocalization of serotonin in Onychophora argues
against segmental ganglia being an ancestral feature of arthropods. 7, 1, 118. [online]
(http://www.springerlink.com.ezproxy.tlu.ee/content/y02u8xn8w5q15065/fulltext.html)
(07.03.2012)
Mayer, G., Whitington, P. M., Sunnucks, P., Pflüger, H-J. 2010. A revision of brain
composition in Onychophora (velvet worms) suggests that the tritocerebrum evolved in
arthropods. BMC Evolutionary Biology. 10, 255. [online]
(http://www.springerlink.com.ezproxy.tlu.ee/content/8hq7711416578526/fulltext.pdf)
(26.03.2012)
Whitington, P. M., Mayer, G. 2011. The origins of the arthropod nervous system: Insights
from the Onychophora. Arthropod Structure & Development. 40, 3, 193-209. [online]
(http://www.sciencedirect.com.ezproxy.tlu
annaabi.ee 
