rdfs:comment
| - Ammagnostidae is a family of trilobites in the superfamily Agnostoidea, which is part of the order Agnostida, or small, 2 or 3 segmented trilobites. It has four genera: Ammagnostus Öpik, 1967
* Ammagnostus psammius Öpik, 1967 (Type)
* Ammagnostus bassus (Öpik, 1967) Guo and Luo, 1996
* Ammagnostus bella Guo and Luo, 1996
* Ammagnostus beltensis (Lochman, 1944) Robinson, 1988
* Ammagnostus cryptus
* Ammagnostus cylindratus Guo and Luo, 1996
* Ammagnostus duibianensis Lu and Lin, 1989
* Ammagnostus histus
* Ammagnostus hunanensis
* Ammagnostus integriceps Öpik, 1967
* Ammagnostus laiwuensis (Lorenz, 1906)
* Ammagnostus mitis Öpik, 1967
* Ammagnostus sinensis Peng, 1987
* Ammagnostus wangcunensis Peng and Robison
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abstract
| - Ammagnostidae is a family of trilobites in the superfamily Agnostoidea, which is part of the order Agnostida, or small, 2 or 3 segmented trilobites. It has four genera: Ammagnostus Öpik, 1967
* Ammagnostus psammius Öpik, 1967 (Type)
* Ammagnostus bassus (Öpik, 1967) Guo and Luo, 1996
* Ammagnostus bella Guo and Luo, 1996
* Ammagnostus beltensis (Lochman, 1944) Robinson, 1988
* Ammagnostus cryptus
* Ammagnostus cylindratus Guo and Luo, 1996
* Ammagnostus duibianensis Lu and Lin, 1989
* Ammagnostus histus
* Ammagnostus hunanensis
* Ammagnostus integriceps Öpik, 1967
* Ammagnostus laiwuensis (Lorenz, 1906)
* Ammagnostus mitis Öpik, 1967
* Ammagnostus sinensis Peng, 1987
* Ammagnostus wangcunensis Peng and Robison Hadragnostus Öpik, 1967
* Hadragnostus las Öpik, 1967 (Type)
* Hadragnostus edax Fortey and Rushton, 1976
* Hadragnostus helixensis Jago and Cooper, 2005
* Hadragnostus modestus (Lochman, 1944) Kormagnostus Resser, 1938
* Kormagnostus sinplex Resser, 1938 (Type)
* Kormagnostus boltoni Westrop et al., 1996
* Kormagnostus copelandi Westrop et al., 1996
* Kormagnostus flati Pratt, 1992
* Kormagnostus inventus Shergold, 1982
* Kormagnostus minutus (Schrank, 1975)
* Kormagnostus seclusus (Walcott, 1884) Proagnostus Butts, 1926
* Proagnostus bulbus Butts, 1926 (Type)
* Proagnostus centerensis Resser, 1938
* Proagnostus maryvillensis Resser They occurred during the late Cambrian period to the Ordovician period.
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