Angulatergum moorei (Hatttin, 1977) † (taxonomy source)
Angulatergum syriacum (Dames, 1878) † (taxonomy source)
Angulatergum texanum (Withers, 1945) † (taxonomy source)
Leweslepas Gale, 2015 † (original description)
Leweslepas Gale, 2015 † (taxonomy source)
Leweslepas acuminata (Darwin, 1851) † (taxonomy source)
Leweslepas hattini Gale, 2015 † (original description)
Leweslepas hauschkei Gale, 2015 † (original description)
Leweslepas obsoleta (Geinitz, 1875) † (taxonomy source)
Leweslepas wrightorum Gale, 2015 † (original description)
Loriculina ifrimae Gale, 2015 † (original description)
Loriculinae Gale, 2015 † (original description)
Loriolepas Gale, 2015 † (original description)
Metaloriculina Gale, 2015 † (original description)
Metaloriculina norvicensis Gale, 2015 † (original description)
Metaloriculina stramentoides Gale, 2015 † (original description)
Parastramentum Gale, 2015 † (original description)
Parastramentum albertaensis Gale, 2015 † (original description)
Parastramentum brydonei Gale, 2015 † (original description)
Parastramentum expansum (Withers, 1911) † (original description)
Parastramentum peakei Gale, 2015 † (original description)
Stramentinae Withers, 1920 † (status source)
Stramentum Logan, 1897 † (taxonomy source)
Stramentum alekseevi Gale, 2015 † (original description)
Stramentum canadensis (Whiteaves, 1889) † (basis of record)
Stramentum elegans Hattin, 1977 † (basis of record)
Stramentum haworthi (Williston, 1896) † (basis of record)
Stramentum inconstans Collins, 1986 † (basis of record)
Stramentum praecursor Gale, 2015 † (original description)
Stramentum pulchellum (Sowerby, 1843) † (basis of record)
Thoracicalcarea (original description)