Oulodus
Species
Oulodus oregonia (Branson, Mehl, & Branson, 1951)
Occurrence: Edenian - Maysvillian
Reference: Bergström and Sweet, 1966; Kohut and Sweet, 1968; Sweet, 1979
Includes form-species: Cordylodus excavatus Sweet, Turco, Warner & Wilkie, 1959; Oulodus casteri Pulse and Sweet, 1960; Prioniodina velicuspis Pulse & Sweet, 1960 (later known as Oulodus oregonia velicuspis)
Oulodus robustus (Branson, Mehl, & Branson, 1951)
Occurrence: Edenian - Richmondian
Reference: Kohut and Sweet, 1968; Sweet, 1979
Formerly known as Plectodina robusta (Branson, Mehl & Branson, 1951)
Includes form-species: Eoligonodina robusta Branson, Mehl & Branson, 1951; Eoligonodina fairmountensis Pulse & Sweet, 1960; Prioniodina oregonia Branson, Mehl and Branson, 1951 (Later known as Oulodus oregonia; Includes Microcoelodus sweeti Stone & Furnish, 1959 and Prioniodina rotunda Sweet, Turco, Warner & Wilkie, 1959)
Oulodus subundulatus (Sweet, Turco, Warner & Wilkie, 1959)
Occurrence: Edenian
Reference: Sweet, 1979
Includes form-species: Trichonodella subundulata Sweet, Turco, Warner & Wilkie, 1959
Oulodus ulrichi (Stone & Furnish, 1959)
Occurrence: Richmondian
Reference: Kohut and Sweet, 1968; Sweet, 1979
Includes form-species: Eoligonodina ulrichi Stone & Furnish, 1959 (Also known as Oulodus oregonia ulrichi)
