Ectenonotus Raymond, 1920

E. whittingtoni Ross, 1967

Edelsteinaspis

E. sp. (Bonnia-Olenellus Biozone, Inyo-White Mts.)

Ehmania Resser, 1935

E. brevis (Deiss, 1939) = E. weedi Resser, 1935
E. convexa (Deiss, 1939) [Montana]
E.? elongate (Deiss, 1939) [Montana]
E. exilis (Deiss, 1939) [Montana]
E. grandis (Deiss, 1939) = E. weedi Resser, 1935
E. incerta (Deiss, 1939) = Parehmania princeps
E. inconstans (Deiss, 1939) = E. weedi Resser, 1935
E. perfecta (Deiss, 1939) = Parehmania princeps
E. planiorata (Deiss, 1939) = E. weedi Resser, 1935
E. sexannulata (Deiss, 1939) = E. weedi Resser, 1935
E. sulcata (Deiss, 1939) = Parehmania princeps
E. transversa (Deiss, 1939) = E. weedi Resser, 1935
E.? unispinata (Deiss, 1939) [Montana]
E. weedi Resser, 1935
E. sp. [Whirlwind Fm.]
E. sp. [Pierson Cove Fm.]

Ehmaniella Resser, 1937 [=Anomalocephalus is a junior synonym of Ehmaniella, fide HOWELL in MOORE, 1959]

E. angustigena Sundberg, 1994
E. burgessensis Rasetti, 1951
E. concava
E. convexa
E. coriacea
E. dotis
E. fronsplanata Sundberg, 1994
E. fronsplanata concava Sundberg, 1994
E. fronsplanata convexa Sundberg, 1994
E. fronsplanata fronsplanata Sundberg, 1994
E. hebetis
E. idahoensis
E. lanata
E. lickensis
E. mcnairi
E. obscura
E. ornatus (Deiss, 1939 ) [Anomocephalus ornatus (Deiss, 1939) is a j.s.s.] [Montana]
E. papulata
E. quadrans (Hall & Whitfield, 1877)
E. singularis
E. spencei
E. striata
E. typica
E. waptaensis Rasetti, 1951
E. sp. [Pierson Cove Fm.]
E. sp.B (Swasey Formation)
E. sp. [Ute Fm., Utah]

Elburgia

E. granulosa (Hall and Whitfield)
E. quinnensis (Resser)

Eleutherocentrus Clark, 1935

E. petersoni Clark 1935 [Swan Peak Fm.]
E. williamsi Ross, 1951

Ellipsocephaloides

E. butler Resser

Elrathia Walcott, 1924

Elrathia alapyge
E. domensa
E. kingii (Meek, 1870)
E. longiceps Resser, 1938
E. marjumi Robison, 1964
E. rara
E. spencei Resser, 1939a
E. sp. [Ute Formationm., Utah]

Elrathiella Poulsen, 1927

E. convexa Deiss, 1939 = Parehmania princeps Deiss, 1939
E. crassiorata Deiss, 1939 [Montana]
E. decora Resser, 1945
E. domensa Sundberg, 1994
E. dugwayensis Sundberg, 1994
E. euthyopsis Sundberg, 1994
E.? intermedia Sundberg, 1994
E. manifesta Deiss, 1939 = Parehmania princeps Deiss, 1939
E. nitida Deiss, 1939 [Montana]
E. plana Deiss, 1939 [Montana]
E. recta Deiss, 1939 = Parehmania princeps Deiss, 1939 [Montana]
E. rectangularia Sundberg, 1994
E. sulcata Deiss, 1939 = Parehmania princeps Deiss, 1939 [Montana]
E. tenuis Deiss, 1939 = Parehmania princeps Deiss, 1939 [Montana]
E. unisulcata Deiss, 1939 = Parehmania princeps Deiss, 1939 [Montana]
E. valens Deiss, 1939 = Parehmania princeps Deiss, 1939 [Montana]
E. spp. [Ute Fm., Utah]

Elrathina Resser, 1937 = Ptychoparella Poulsen, 1927

E. antiqua = Ptychoparella antique (Palmer in Palmer & Halley, 1979)
E. candace = Ptychoparella candace (Deiss, 1939) [Montana]
E. cordillerae (Rominger, 1887) = Ptychoparella cordillerae (Rominger, 1887)
E. erecta = Ptychoparella erecta (Deiss, 1939) [Montana]
E. fecunda = Ptychoparella fecunda (Deiss, 1939) [Montana]
E. hybrida = Ptychoparella hybrida (Deiss, 1939) [Montana]
E. lickensis = Ptychoparella lickensis (Deiss, 1939) [Montana]
E. nodulosa = Ptychoparella nodulosa (Deiss, 1939) [Montana]
E. oculineata = Ptychoparella oculineata (Deiss, 1939) [Montana]
E. pylas = Ptychoparella pylas
E. wheeleri = Ptychoparella wheeleri
E. sp. (Marjum Formation = Ptychoparella sp ?)

Elvinia Walcott, 1924

Elvinia granulata Resser
E. roemeri (Shumard, 1861)
Elvinia? sp. [Dunderberg Fm.]

Elviniella

E. laevis n. sp. Palmer, 1960

Emigrantia n. gen.

E. sp. (Thimble Limestone, Cararra Fm.)

Encrinurus Emmrich, 1844

E. sp. (of Norford, 1962) = Wallacia hendersoni

Encrinurus (Cromus)

E. (C.) beaumonti (Barrande, 1852)

Entomaspis  [Hypothetica Ross, 1951 is a junior synonym of Entomaspis, fide ADRAIN 2003]

E. rawi (Ross, 1951) [formerly Hypothetica rawi (Ross, 1951)]

Eofallotaspis

Eokochaspis Sundberg and McCollum, 2000

E.? cabinensis Sundberg and McCollum, 2003a
E. delamarensis Sundberg and McCollum, 2000
E. longspina Sundberg and McCollum, 2000
E. metalaspis Sundberg and McCollum, 2000
E. nodosa Sundberg and McCollum, 2000
E. piochensis (Palmer in Palmer & Halley, 1979)

Eophacops Delo, 1935

E. aff. E. marklandensis = Podowrinella rossi

Esmeraldina

E. argenta (Walcott, 1910) [=Olenellus argentus Walcott, 1910 (in L. Bohach, unpubl. dissertation)]
Esmeraldina sp. (Poleta Fm.)
Esmeraldina / Palmettaspis sp. (Campito Fm.)