Classification of the family Dikelocephalidae

Fm. †Dikelocephalidae Miller 1889
show all | hide all
G. †Berkeia Resser 1937
+
Berkeia glabellamersa Wilson 1949
Berkeia typica Resser 1937
G. †Blandicephalus Palmer 1954
+
Blandicephalus texanus Palmer 1954
G. †Briscoia Walcott 1924
+
Briscoia angustilimba Westrop 1986
Briscoia coloradoensis Walcott 1914
Briscoia dalyi Walcott 1914
Briscoia devinei Billings 1865
Briscoia elegans Kobayashi 1935
+
Invalid names: Parabriscoia stenorachis Kobayashi 1935 [synonym]
Briscoia llanoensis Winston and Nicholls 1967
Briscoia nevadensis Resser 1937
Briscoia pertransversa Lochman 1956
Briscoia schucherti Ulrich and Resser 1930
Briscoia septentrionalis Kobayashi 1935
+
Invalid names: Briscoia mertiei Kobayashi 1935 [synonym], Briscoia robusta Kobayashi 1935 [synonym]
Briscoia sinclairensis Walcott 1924
Invalid names: Parabriscoia Kobayashi 1935 [synonym]
G. †Dikelocephalus Owen 1852
+
Dicellocephalus bilobatus Hall and Whitfield 1877
Dicellocephalus iole Walcott 1884
Dicellocephalus marica Walcott 1884
Dicellocephalus nasutus Walcott 1884
Dicellocephalus tribulus Walcott 1912
Dikelocephalus halli Ulrich and Resser 1930
+
Invalid names: Dikelocephalus barretti Ulrich and Resser 1930 [synonym], Dikelocephalus beani Ulrich and Resser 1930 [synonym], Dikelocephalus brevis Ulrich and Resser 1930 [synonym], Dikelocephalus declivis Ulrich and Resser 1930 [synonym], Dikelocephalus edwardsi Ulrich and Resser 1930 [synonym], Dikelocephalus gracilis Ulrich and Resser 1930 [synonym], Dikelocephalus granosus Ulrich and Resser 1930 [synonym], Dikelocephalus hotchkissi Ulrich and Resser 1930 [synonym], Dikelocephalus inaequalis Ulrich and Resser 1930 [synonym], Dikelocephalus intermidius Ulrich and Resser 1930 [synonym], Dikelocephalus juvinalis Ulrich and Resser 1930 [synonym], Dikelocephalus marginatus Ulrich and Resser 1930 [synonym], Dikelocephalus norwalkensis Ulrich and Resser 1930 [synonym], Dikelocephalus orbiculatus Ulrich and Resser 1930 [synonym], Dikelocephalus ovatus Ulrich and Resser 1930 [synonym], Dikelocephalus oweni Ulrich and Resser 1930 [synonym], Dikelocephalus postrectus Ulrich and Resser 1930 [synonym], Dikelocephalus raaschi Ulrich and Resser 1930 [synonym], Dikelocephalus regalis Ulrich and Resser 1940 [synonym], Dikelocephalus retrorsus Ulrich and Resser 1930 [synonym], Dikelocephalus subplanus Ulrich and Resser 1930 [synonym], Dikelocephalus thwaitesi Ulrich and Resser 1930 [synonym], Dikelocephalus weidmani Ulrich and Resser 1930 [synonym], Dikelocephalus wiltonensis Ulrich and Resser 1930 [synonym], Dikelocephalus wisconsinensis Ulrich and Resser 1930 [synonym], Ogygia minnesotensis Chapman 1856 [synonym]
Dikelocephalus wisconensis Ulrich and Resser 1930
G. †Elkia Walcott 1924
G. †Monocheilus Resser 1937
+
Monocheilus anatinum Hall 1863
Monocheilus micros Walter 1926
G. †Neoiranella Ă–zdikmen 2006
+
Neoiranella latefrons King 1937
Invalid names: Iranella Hupe 1953 [replaced]
G. †Osceolia Walcott 1914
G. †Princetonella Lochman 1953
G. †Pterocephalops Rasetti 1944
+
G. †Randicephalus Ivshin 1962
G. †Stigmacephalus Resser 1937
+
Stigmacephalus oweni Hall 1863
G. †Walcottaspis Ulrich and Resser 1930
+
Walcottaspis vanhornei Walcott 1914
Invalid names: Saukiidae Ulrich and Resser 1930 [synonym]