Table 1.

Trophozoite size for Giardia cricetidarum and other Giardia spp

Species	Length (μm)	Width (μm)	Length/width ratio
G. cricetidarum n. sp.	12–18	8–12	1.40
G. intestinalis	12–15	6–8	1.79
G. muris	9–12	5–7	1.75
G. microti	12–15	6–8	1.79
G. agilis	20–30	4–5	5.56
G. ardeae	c.10	c.6.5	1.54
G. psittaci	c.14	c.6	2.33

Note: The data for Giardia spp. are from Lujan et al. [3]