Classification of the genus Opalia
G. Opalia Adams and Adams 1853
show all | hide all
Subg. †Opalia (Contemniscala) de Boury 1909
Subg. †Opalia (Crassiscala) de Boury 1887
+
†Crassiscala subterranea Wrigley 1940
†Opalia (Crassiscala) riachuelanum Maury 1936
Subg. Opalia (Dentiscala) de Boury 1886
+
Dentiscala funiculata Carpenter 1857
†Opalia (Dentiscala) hertleini Moore 1976
Invalid names: Opalia crenatoides insculpta Carpenter 1863 [synonym]
Subg. †Opalia (Granuliscala) de Boury 1909
Subg. Opalia (Nodiscala) De Boury 1890
+
†Opalia (Nodiscala) obtusicostata Wood 1842
Opalia (Nodiscala) retiporosa Carpenter 1863
Invalid names: Funiscala de Boury 1891 [synonym]
Subg. Opalia (Opalia) Adams and Adams 1858
+
†Opalia (Opalia) bravinderi Durham 1937
†Opalia (Opalia) rugiferum Dall 1909
†Opalia (Opalia) wishkahensis Durham 1937
Subg. †Opalia (Rugatiscala) de Boury 1913
+
†Opalia (Rugatiscala) cowlitzensis Durham 1937
†Opalia (Rugatiscala) williamsoni Anderson and Martin 1914
†Pliciscala (Rugatiscala) levesquei de Boury 1887
†Opalia atra Squires and Saul 2003
Opalia borealis Gould 1852
+
Invalid names: Opalia chacei Strong 1937 [synonym], Scala wroblewskyi Mörch 1876 [synonym], Scalaria (Psychrosoma) gouldii Tapparone-Canefri 1876 [synonym]
†Opalia cavea Squires and Saul 2003
Opalia crenatoides Carpenter 1864
†Opalia insculpta Carpenter 1866
Opalia mathewsonii Gabb 1864
Opalia montereyensis Dall 1907
†Scala (Opalia) calvertensis Martin 1904
†Scala (Opalia) prunicola Martin 1904
†Scala (Opalia) reticulata Martin 1904