TRILOBITE GENERA AND SPECIES LIST
for Genera beginning with letter Z

Zacanthoides Walcott, 1888

Zacanthoides abbreviatus (Resser, 1939a)
Zacanthoides adjunctus (Resser, 1939a)
Zacanthoides alatus (Resser, 1939b)
Zacanthoides cnopus (Walcott, 1917)
Zacanthoides demissus Fritz, 1968 [Nevada]
Zacanthoides divergens (Rasetti, 1951)
Zacanthoides divergens divergens (Sundberg, 1994)
Zacanthoides divergens limbus (Sundberg, 1994)
Zacanthoides fronsilicinus (Sundberg, 1994)
Zacanthoides grabaui (Pack, 1906) [Spence Shale Formation]
Zacanthoides cf. grabaui (Pack, 1906) [Chisholm Shale]
Zacanthoides gradates (Resser, 1939a)
Zacanthoides holopygus (Resser, 1939a)
Zacanthoides idahoensis (Walcott, 1908)
Zacanthoides longipygus (Rasetti, 1951)
Zacanthoides planifrons (Rasetti, 1951)
Zacanthoides romingeri (Resser, 1942)
Zacanthoides serratus (Resser, 1939a)
Zacanthoides sexdentatus (Rasetti, 1951)
Zacanthoides submuticus (Rasetti, 1951)
Zacanthoides typicalis (Walcott, 1886)
Zacanthoides variacantha (Palmer in Palmer & Halley, 1979)
Zacanthoides walapai Sundberg, 1994
Zacanthoides. sp. [Wheeler Formation]
Zacanthoides sp. [Carrara Formation]
Zacanthoides sp. [Spence Formation - which species is this?]
Zacanthoides sp. (Glossopleura Zone, Washington)
Zacanthoides ? sp.
Zacanthoides sp. 2 [Wolsey Shale]
Zacanthoides n. sp. [Spence Shale]
Zacanthoides n. sp. [Chisholm Shale]

Zacanthopsina (Palmer, 1964)

Zacanthopsina eperephes (Palmer, 1964)
Zacanthopsis (Resser, 1938b)
Zacanthopsina. contractus (Palmer, 1964)
Zacanthopsina levis (Walcott, 1886)
Zacanthopsina n. sp.
Zacanthopsina sp. (Harkless Formation)
Zacanthopsina n. sp. 1 [Carrara Formation]
Zacanthoides n. sp. [Metaline Formation] (Morgan, Personal Communication, 2007)