Table 2.

Measurements and position of ommatidia in specimens having ommatidia of different sizes

	Ommatidia size
Specimen	Lower	Position on eye	Intermediate	Position on eye	Higher	Position on eye	Mean value
UJF-ID 14020	68	dorsal	76	anterior	92.4	anterior	78.80
MNHN.F.A29521	61	lateral	70	posterior	75.5	posterior	68.83
MNHN.F.A50709	21.5	anterior	27	lateral, dorsal	NA	NA	24.25

Indication is made of the position of measured ommatidia on the surface of the eye. Measurements in μm