Fig. 63
From: Evolutionary morphology of sperm in pholcid spiders (Pholcidae, Synspermiata)
Ultrastructure and 3D surface reconstruction of the sperm transfer form of Pehrforsskalia conopyga. A, B Cleistospermia in the lumen of the deferent duct. Note the lamellar centriolar adjunct material and the helical band (arrow) in (A). C, D, E, F 3D surface reconstruction of a cleistosperm