Table 1.

The studied species and the states of the three main characters examined.

	Species	Knobs on the posterior surface of the prozonites	Limbus	Intercalary micro-scutes <br/> on metazonites
Suborder Polydesmidea
Ammodesmidae	Elassystremma sp.	+	lobes and spikes	‒
Cryptodesmidae	Aporodesmus sp.	‒	jagged lobes and spikes	‒
	Elythesmus enghoffi	+	jagged lobes and spikes	_
Cyrtodesmidae	cyrtodesmid gen. sp.	+	lobes and spikes	‒
Fuhrmannodesmidae	Fuhrmannodesmus lividus	–	reduced	+
	fuhrmannodesmid sp.	‒	reduced	+
	Gyrophallus sp.	‒	reduced	+
Haplodesmidae	Prosopodesmus jacobsoni	+	lobes	‒
Macrosternodesmidae	Ophiodesmus albonanus	‒	reduced	+
Nearctodesmidae	nearctodesmid sp.	‒	reduced	+
Oniscodesmidae	Amphitomeus attemsi	+	lobes and spikes	‒
Opisotretidae	Corypholophus sp.	‒	reduced	?+
	Solaenaulus butteli	–	reduced	+
Polydesmidae	Brachydesmus superus	‒	ramified spikes	+
	Propolydesmus laevidentatus	–	ramified spikes	+
Pyrgodesmidae	Cryptocorypha ornata	+	lobes	‒
	Cynedesmus sp.	+	lobes	–
	Rharodesmus tabarkensis	+	lobes	–
	Tonodesmus sp.	+	lobes	–
Trichopolydesmidae	Napocodesmus endogeus	‒	reduced	+
	trichopolydesmid sp.	–	reduced	+
Suborder Dalodesmidea
Dalodesmidae	Icosidesmus sp.	‒	ramified spikes	+