Table 1.

Primarily Wingless Hexapod Species Included in This Study, and Their Number of OGs in the Original Supermatrix and in Three Data Subsets.

Order	Family	Species	Source	No. of Contigs	Total no. of OGs	No. of OGs in M_Ento	No. of OGs in SOS	No. of OGs in SOSω
Protura	Acerentomidae	Acerentomon sp.a	NCBIa	1,999	191	117	91	12
Diplura	Campodeidae	Campodea fragilis	NCBI	6,407	370	77	116	64
Diplura	Japygidae	Megajapyx sp.	this study	57,602	547	105	164	89
Collembola	Neanuridae	Anurida maritima	NCBI	3,504	328	55	105	60
Collembola	Onychiuridae	Onychiurus arcticus	NCBI	9,981	795	103	183	114
Collembola	Isotomidae	Cryptopygus antarcticus	NCBI	1,897	199	49	78	35
Collembola	Isotomidae	Folsomia candida	NCBI	5,967	442	60	122	78
Collembola	Entomobryidae	Orchesella cincta	NCBI	754	52	10	—	—
Archaeognatha	Machilidae	Lepismachilis y-signata	NCBI	2,288	270	60	107	54
Zygentoma	Lepismatidae	Tricholepisma aurea	NCBI	344	54	22	—	—
Zygentoma	Lepismatidae	Thermobia domestica	this study	45,358	682	96	194	124

Note.—M_Ento is the decisive data set in which all OGs are covered by Protura, Diplura, and Collembola; SOS and SOS_ω are indecisive to address the relationships of entognathous hexapod orders.

^aAcerentomon sp.: erroneously assigned as A. franzi in Meusemann et al. (2010) and NCBI.