Ammagnostidae
| Ammagnostidae Temporal range:
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| Superfamily: | Agnostoidea
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| Family: | Ammagnostidae
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Ammagnostidae is a family of trilobites in the suborder , small, eyeless, isopygous trilobites with a thorax consisting of 2 segments only. Four genera have been assigned to it:
- Ammagnostus Öpik, 1967
- Öpik, 1967 (Type)
- (Öpik, 1967)
- Guo & Luo, 1996
- (Lochman, 1944)
- Guo & Luo, 1996
- Lu & Lin, 1989
- Öpik, 1967
- (Lorenz, 1906)
- Öpik, 1967
- Peng, 1987
- Peng & Robison
- Hadragnostus Öpik, 1967
- Kormagnostus Resser, 1938
- Resser, 1938 (Type)
- Westrop et al., 1996
- Westrop et al., 1996
- Pratt, 1992
- Shergold, 1982
- (Schrank, 1975)
- (Walcott, 1884)
- Proagnostus Butts, 1926
- Butts, 1926 (Type)
- Resser, 1938
- Resser
They lived during the late Cambrian period to the Ordovician period.
References[]
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Categories:
- Trilobite families
- Agnostoidea
- Cambrian trilobites
- Ordovician trilobites
- Cambrian first appearances
- Ordovician extinctions
- Agnostida stubs