Table 1.

Number of aesthetascs, OSNs, subunits per AL and aesthetascs/subunits ratio.

Species	Aesthetasc count	OSN count	Subunits count	Aesthetasc/Subunits ratio	Subunit volumes, μm3
Coenobita clypeatus	(519a) 358b	20,000b	(799a) 1065 ± 776b	(0.65a) 0.33b	(154,000a) 40,167 ± 23,887b
Birgus latro	(780d) 1700c	–	1338c	(0.584) 1.27c	–
Pagurus bernhardus	673b	33,000b	536b	1.26b	170,000 ± 40,000e
Panulirus argus	1255a	–	1332a	0.94a	–

^a(Beltz et al., 2003);

^b(Koczan, 2012) and current manuscript;

^c(Krieger et al., 2010);

^d(Harms, 1932);

^e(Krieger et al., 2012).

Bold indicates data for the species which a subject of the current paper.