Brissus glenni Cooke, 1959 † (original description)
Cassidulus (Pygorhynchus) carolinensis Twitchell in Clark & Twitchell, 1915 † accepted as Cassidulus conradi carolinensis Twitchell in Clark & Twitchell, 1915 † (status source)
Cassidulus (Pygorhynchus) carolinensis cravenensis Kellum, 1926 † accepted as Eurhodia holmesi (Twitchell in Clark & Twitchell, 1915) † (status source)
Cassidulus conradi (Conrad, 1850) † (basis of record)
Cassidulus conradi carolinensis Twitchell in Clark & Twitchell, 1915 † (basis of record)
Echinocyamus macneili Cooke, 1959 † (original description)
Eurhodia holmesi (Twitchell in Clark & Twitchell, 1915) † (basis of record)
Fibularia alabamensis Cooke, 1959 † (original description)
Hemiaster moscovensis Cooke, 1959 † (original description)
Lovenia alabamensis Cooke, 1959 † (original description)
Neolaganum durhami Cooke, 1959 † (original description)
Spatangus glenni Cooke, 1959 † (original description)
Tylocidaris macneili Cooke, 1959 † (original description)
Tylocidaris salina Cooke, 1959 † (original description)

 Stratigraphy

 for Echinocyamus macneili Cooke, 1959 †

Probably Moodys Branch Formation [details]

 Stratigraphy

 for Fibularia alabamensis Cooke, 1959 †

Probably Moodys Branch Formation [details]

 Stratigraphy

 for Hemiaster moscovensis Cooke, 1959 †

Porters Creek Clay [details]

 Stratigraphy

 for Lovenia alabamensis Cooke, 1959 †

Chickasawhay Limestone [details]

 Stratigraphy

 for Neolaganum durhami Cooke, 1959 †

Inglis and Ocala Limestone [details]

 Stratigraphy

 for Tylocidaris macneili Cooke, 1959 †

Clayton Formation [details]

 Stratigraphy

 for Tylocidaris salina Cooke, 1959 †

Salt Mt. Limestone [details]