Allocrangonyx pellucidus (Mackin, 1935) (status source)
Apocrangonyx subtilis Hubricht, 1943 accepted as Stygobromus subtilis (Hubricht, 1943) (original description)
Bactrurus mucronatus (Forbes, 1876) (taxonomy source)
Crangonyx anomalus Hubricht, 1943 (status source)
Crangonyx anomalus Hubricht, 1943 (original description)
Crangonyx forbesi (Hubricht & Mackin, 1940) (new combination reference)
Crangonyx gracilis packardi Hubricht, 1943 accepted as Crangonyx packardi S.I. Smith, 1888 (original description)
Crangonyx minor Bousfield, 1958 (additional source)
Crangonyx obliquus (Hubricht & Mackin, 1940) (new combination reference)
Crangonyx obliquus (Hubricht & Mackin, 1940) (status source)
Crangonyx onondagaensis Hubricht & Mackin, 1940 accepted as Stygobromus onondagaensis (Hubricht & Mackin, 1940) (status source)
Crangonyx shoemakeri (Hubricht & Mackin, 1940) (new combination reference)
Crangonyx shoemakeri (Hubricht & Mackin, 1940) (status source)
Crangonyx spinosus Hubricht & Mackin, 1940 accepted as Stygobromus spinosus (Hubricht & Mackin, 1940) (status source)
Eucrangonyx obliquus Hubricht & Mackin, 1940 accepted as Crangonyx obliquus (Hubricht & Mackin, 1940) (status source)
Eucrangonyx shoemakeri Hubricht & Mackin, 1940 accepted as Crangonyx shoemakeri (Hubricht & Mackin, 1940) (status source)
Stygobromus emarginatus (Hubricht, 1943) (original description)
Stygobromus exilis Hubricht, 1943 (original description)
Stygobromus exilis Hubricht, 1943 (status source)
Stygobromus heteropodus Hubricht, 1943 (status source)
Stygobromus heteropodus Hubricht, 1943 (original description)
Stygobromus iowae Hubricht, 1943 (original description)
Stygobromus iowae Hubricht, 1943 (status source)
Stygobromus mackini Hubricht, 1943 (original description)
Stygobromus mackini Hubricht, 1943 (status source)
Stygobromus onondagaensis (Hubricht & Mackin, 1940) (status source)
Stygobromus onondagaensis (Hubricht & Mackin, 1940) (new combination reference)
Stygobromus smithi Hubricht, 1943 (original description)
Stygobromus smithi Hubricht, 1943 (status source)
Stygobromus spinosus (Hubricht & Mackin, 1940) (new combination reference)
Stygobromus spinosus (Hubricht & Mackin, 1940) (status source)
Stygonectes balconis Hubricht, 1943 accepted as Stygobromus balconis (Hubricht, 1943) (original description)
Synpleonia emarginata Hubricht, 1943 accepted as Stygonectes emarginatus (Hubricht, 1943) accepted as Stygobromus emarginatus (Hubricht, 1943) (original description)
Synurella chamberlaini (Ellis, 1941) accepted as Stygobromus chamberlaini Ellis, 1941 accepted as Sicifera chamberlaini (Ellis, 1941) (new combination reference)
Synurella dentata Hubricht, 1943 accepted as Sicifera dentata (Hubricht, 1943) (original description)

Alabama for Stygobromus smithi Hubricht, 1943 
Illinois for Apocrangonyx subtilis Hubricht, 1943 
Iowa for Stygobromus iowae Hubricht, 1943 
Kentucky for Stygobromus exilis Hubricht, 1943 
Missouri for Stygobromus heteropodus Hubricht, 1943 
Nearctic for Stygobromus balconis (Hubricht, 1943) 
Nearctic for Stygobromus emarginatus (Hubricht, 1943) 
Nearctic for Stygobromus exilis Hubricht, 1943 
Nearctic for Stygobromus heteropodus Hubricht, 1943 
Nearctic for Stygobromus iowae Hubricht, 1943 
Nearctic for Stygobromus onondagaensis (Hubricht & Mackin, 1940) 
Nearctic for Stygobromus smithi Hubricht, 1943 
Nearctic for Stygobromus spinosus (Hubricht & Mackin, 1940) 
Nearctic for Stygobromus subtilis (Hubricht, 1943) 
Nearctic for Synurella dentata Hubricht, 1943 
Texas for Stygonectes balconis Hubricht, 1943 
Virginia for Stygobromus mackini Hubricht, 1943 
West Virginia for Stygobromus emarginatus (Hubricht, 1943) 
West Virginia for Synpleonia emarginata Hubricht, 1943 

 Environment

 for Stygobromus balconis (Hubricht, 1943)

Subterranean/Hypogean [details]

 Environment

 for Stygobromus exilis Hubricht, 1943

Subterranean/Hypogean [details]

 Environment

 for Stygobromus onondagaensis (Hubricht & Mackin, 1940)

Subterranean/Hypogean [details]

 Environment

 for Stygobromus smithi Hubricht, 1943

Subterranean/Hypogean [details]

 Environment

 for Stygobromus subtilis (Hubricht, 1943)

Subterranean/Hypogean [details]

 Habitat

 for Stygobromus balconis (Hubricht, 1943)

Troglobitic: small drip pools in caves containing organic debris [details]

 Habitat

 for Stygobromus exilis Hubricht, 1943

Drip-pools and streams in caves [details]

 Habitat

 for Stygobromus heteropodus Hubricht, 1943

Small spring [details]

 Habitat

 for Stygobromus iowae Hubricht, 1943

Spring [details]

 Habitat

 for Stygobromus smithi Hubricht, 1943

Wells and seeps [details]

 Habitat

 for Stygobromus subtilis (Hubricht, 1943)

Small seeps, drip-pools in caves [details]

 Habitat

 for Synurella dentata Hubricht, 1943

Springs, spring runs [details]

 Source

 for Crangonyx setodactylus Bousfield, 1958

Part of C. shoemakeri in Hubricht (1943: 690); all from Ohio, Michigan and Kentucky [details]