Acanthocrania Williams, 1943 † (additional source)
Acanthocrania alta Cooper & Grant, 1974 † (original description)
Acanthocrania conferta Cooper & Grant, 1974 † (original description)
Acanthocrania densispina Cooper & Grant, 1974 † (original description)
Acanthocrania intermedia Cooper & Grant, 1974 † (original description)
Acanthocrania magna Cooper & Grant, 1974 † (original description)
Acanthocrania minutispinosa Cooper & Grant, 1974 † (original description)
Acanthocrania platys Cooper & Grant, 1974 † (original description)
Acanthocrania regularis Cooper & Grant, 1974 † (original description)
Acanthocrania vasta Cooper & Grant, 1974 † (original description)
Derbyoides Dunbar & Condra, 1932 † (additional source)
Derbyoides dunbari Cooper & Grant, 1974 † (original description)
Derbyoides marathonensis Cooper & Grant, 1974 † (original description)
Derbyoides nebrascensis Dunbar & Condra, 1932 † (basis of record)
Diplanus Stehli, 1954 † (additional source)
Diplanus apochordus Cooper & Grant, 1974 † (original description)
Diplanus catatonus Cooper & Grant, 1974 † (original description)
Diplanus lamellatus (King, 1931) † (basis of record)
Diplanus rarus Cooper & Grant, 1974 † (original description)
Diplanus redactus Cooper & Grant, 1974 † (original description)
Goniarina Cooper & Grant, 1969 † (additional source)
Goniarina appeli Cooper & Grant, 1974 † (original description)
Goniarina diabloensis Cooper & Grant, 1974 † (original description)
Goniarina futilis Cooper & Grant, 1974 † (original description)
Goniarina magniextensa Cooper & Grant, 1974 † (original description)
Goniarina permiana (Stehli, 1954) † (new combination reference)
Goniarina pyelodes Cooper & Grant, 1969 † (additional source)
Goniarina striata Cooper & Grant, 1974 † (original description)
Hypopsia Cooper & Grant, 1974 † (original description)
Hypopsia versuta Cooper & Grant, 1974 † (original description)
Hypopsiinae Cooper & Grant, 1974 † (original description)
Isogramma Meek & Worthen, 1870 † (basis of record)
Isogramma concavum Cooper & Grant, 1974 † (original description)
Isogramma diabloense Cooper & Grant, 1974 † (original description)
Isogramma lobatum Cooper & Grant, 1974 † (original description)
Isogramma vidriense Cooper & Grant, 1974 † (original description)
Isogrammidae Schuchert & Levene, 1929 † (additional source)
Lepidocrania Cooper & Grant, 1974 † (original description)
Lepidocrania sparsispinosa Cooper & Grant, 1974 † (original description)
Lepidocrania sublamellosa Cooper & Grant, 1974 † (original description)
Lepidocrania tardispinosa Cooper & Grant, 1974 † (original description)
Orthotetella King, 1931 † (additional source)
Orthotetella wolfcampensis King, 1931 † (basis of record)
Orthotetellidae Cooper & Grant, 1974 † (original description)
Petrocrania diabloensis Cooper & Grant, 1974 † (original description)
Petrocrania exasperata Cooper & Grant, 1974 † (original description)
Petrocrania septifera Cooper & Grant, 1974 † (original description)
Petrocrania teretis Cooper & Grant, 1974 † (original description)
Pulsiidae Cooper & Grant, 1974 † (original description)
Roemerella Hall & Clarke, 1892 † (basis of record)
Roemerella gigantissima Cooper & Grant, 1974 † (original description)
Schuchertella Girty, 1904 † (additional source)
Schuchertella lens (White, 1862) † (basis of record)
Schuchertella subvexa Cooper & Grant, 1974 † (original description)

Texas for Derbyoides dunbari Cooper & Grant, 1974 † 
Texas for Derbyoides marathonensis Cooper & Grant, 1974 † 
Texas for Diplanus apochordus Cooper & Grant, 1974 † 
Texas for Diplanus catatonus Cooper & Grant, 1974 † 
Texas for Diplanus rarus Cooper & Grant, 1974 † 
Texas for Diplanus redactus Cooper & Grant, 1974 † 
Texas for Goniarina appeli Cooper & Grant, 1974 † 
Texas for Goniarina diabloensis Cooper & Grant, 1974 † 
Texas for Goniarina futilis Cooper & Grant, 1974 † 
Texas for Goniarina magniextensa Cooper & Grant, 1974 † 
Texas for Goniarina permiana (Stehli, 1954) † 
Texas for Goniarina pyelodes Cooper & Grant, 1969 † 
Texas for Goniarina striata Cooper & Grant, 1974 † 
Texas for Hypopsia versuta Cooper & Grant, 1974 † 
Texas for Orthotetella wolfcampensis King, 1931 † 
Texas for Roemerella gigantissima Cooper & Grant, 1974 † 

Holotype USNM 150202b, geounit Texas, identified as Goniarina magniextensa Cooper & Grant, 1974
Holotype USNM 150390b, geounit Texas, identified as Goniarina diabloensis Cooper & Grant, 1974
Holotype USNM 150393J, geounit Texas, identified as Goniarina futilis Cooper & Grant, 1974
Holotype USNM 150395, geounit Texas, identified as Goniarina appeli Cooper & Grant, 1974
Holotype USNM 150411g, geounit Texas, identified as Goniarina pyelodes Cooper & Grant, 1969
Holotype USNM 150424a, geounit Texas, identified as Derbyoides dunbari Cooper & Grant, 1974
Holotype USNM 150425a, geounit Texas, identified as Derbyoides marathonensis Cooper & Grant, 1974
Holotype USNM 150432a, geounit Texas, identified as Diplanus catatonus Cooper & Grant, 1974
Holotype USNM 150440b, geounit Texas, identified as Diplanus apochordus Cooper & Grant, 1974
Holotype USNM 150472a, geounit Texas, identified as Diplanus rarus Cooper & Grant, 1974
Holotype USNM 150475a, geounit Texas, identified as Diplanus redactus Cooper & Grant, 1974
Holotype USNM 151382b, geounit Texas, identified as Isogramma diabloense Cooper & Grant, 1974
Holotype USNM 151384, geounit Texas, identified as Isogramma lobatum Cooper & Grant, 1974
Holotype USNM 151385, geounit Texas, identified as Isogramma vidriense Cooper & Grant, 1974
Holotype USNM 151393a, geounit Texas, identified as Roemerella gigantissima Cooper & Grant, 1974
Holotype USNM 151401, geounit Texas, identified as Lepidocrania sparsispinosa Cooper & Grant, 1974
Holotype USNM 151405a, geounit Texas, identified as Petrocrania teretis Cooper & Grant, 1974
Holotype USNM 151406a, geounit Texas, identified as Lepidocrania sublamellosa Cooper & Grant, 1974
Holotype USNM 151422, geounit Texas, identified as Petrocrania septifera Cooper & Grant, 1974
Holotype USNM 151430b, geounit Texas, identified as Acanthocrania conferta Cooper & Grant, 1974
Holotype USNM 151434b, geounit Texas, identified as Acanthocrania densispina Cooper & Grant, 1974
Holotype USNM 151440c, geounit Texas, identified as Acanthocrania intermedia Cooper & Grant, 1974
Holotype USNM 151447, geounit Texas, identified as Acanthocrania minutispinosa Cooper & Grant, 1974
Holotype USNM 151456, geounit Texas, identified as Acanthocrania platys Cooper & Grant, 1974
Holotype USNM 152571, geounit Texas, identified as Acanthocrania alta Cooper & Grant, 1974
Holotype USNM 152572c, geounit Texas, identified as Acanthocrania regularis Cooper & Grant, 1974
Holotype USNM 152573, geounit Texas, identified as Acanthocrania vasta Cooper & Grant, 1974
Holotype USNM 152578a, geounit Texas, identified as Petrocrania exasperata Cooper & Grant, 1974
Holotype USNM 152582a, geounit Texas, identified as Lepidocrania tardispinosa Cooper & Grant, 1974
Holotype USNM 152587i, geounit Texas, identified as Hypopsia versuta Cooper & Grant, 1974
Holotype USNM 152589h, geounit Texas, identified as Schuchertella subvexa Cooper & Grant, 1974
Holotype USNM 153188, geounit Texas, identified as Isogramma concavum Cooper & Grant, 1974
Holotype USNM 153550a, geounit Texas, identified as Goniarina striata Cooper & Grant, 1974
Holotype USNM 153908, geounit Texas, identified as Acanthocrania magna Cooper & Grant, 1974
Holotype USNM 154103, geounit Texas, identified as Petrocrania diabloensis Cooper & Grant, 1974
Holotype YPM 11366, geounit Texas, identified as Orthotetella wolfcampensis King, 1931

 Etymology

 for Hypopsia Cooper & Grant, 1974 †

Genus name from the Greek 'hypopsia' (= suspicion). [details]

 Taxonomic remark

 for Diplanus Stehli, 1954 †

Cooper & Grant (1974) placed this genus in sub-Family Diplaninae, within family Schuchertellidae. This departs from ... [details]