Agnostid biostratigraphy across the Middle-Upper Cambrian boundary in Hunan, China

S. Peng, and R. A. Robison

2000

Article

Journal of Paleontology Memoir 53:

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Taxa discussed in this work:

• Acmarhachis apicula
• Agnostardis amplinatis
• Agnostogonus incognitus
• Agnostus babcocki
• Ammagnostus adchinensis
• Ammagnostus cryptus
• Ammagnostus histus
• Ammagnostus hunanensis
• Ammagnostus wangcunensis
• Aspidagnostus chekiangensis
• Aspidagnostus lunulosus
• Aspidagnostus stictus
• Aspidagnostus taoyuanensis
• Baltagnostus ambonus
• Clavagnostus burnsi
• Clavagnostus repandus
• Clavagnostus spinosus
• Clavagnostus sulcatus
• Diplagnostus floralis
• Doryagnostus incertus
• Formosagnostus latus
• Glaberagnostus altaicus
• Glaberagnostus bituberculatus
• Glaberagnostus cicer
• Goniagnostus fumicola
• Goniagnostus scarabaeus
• Goniagnostus venustus
• Hadragnostus modestus
• Hypagnostus brachydolonus
• Hypagnostus brevifrons
• Hypagnostus kendectasicus
• Idolagnostus agrestis
• Kormagnostus inventus
• Lejopyge multifora
• Lejopyge sinensis
• Linguagnostus kjerulfi
• Linguagnostus paibiensis
• Linguagnostus reconditus
• Linguagnostus stenus
• Lisogoragnostus hybus
• Lisogoragnostus mictus
• Oidalagnostus changi
• Oidalagnostus trispinifer
• Ovalagnostus personatus
• Peratagnostus obsoletus
• Pseudagnostina vicaria
• Pseudagnostus koerferi
• Pseudagnostus prolongus
• Pseudophalacroma lundgreni
• Pseudophalacroma scanense
• Pseudophalacroma triangularis
• Ptychagnostus leptus
• Tomagnostella exsculpta
• Tomagnostella sulcifera
• Tomorhachis
• Utagnostus songae
• Utagnostus trispinulus

Taxonomy:

• Goniagnostus scarabaeus belongs to Goniagnostus - Whitehouse (1939)
• Oidalagnostus trispinifer belongs to Oidalagnostus - Westergard (1946)
• Pseudagnostus prolongus belongs to Pseudagnostus - Palmer (1955)
• Quadrahomagnostus tienshihfuensis belongs to Quadrahomagnostus - Chu (1959)
• Goniagnostus fumicola belongs to Goniagnostus - Opik (1961)
• Aspidagnostus laevis belongs to Aspidagnostus - Palmer (1962)
• Aspidagnostus rugosus belongs to Aspidagnostus - Palmer (1962)
• Agnostardis amplinatis belongs to Agnostardis - Opik (1963)
• Oidalagnostus changi belongs to Oidalagnostus - Lu (1964)
• Utagnostus trispinulus belongs to Utagnostus - Robison (1964)
• Idolagnostus agrestis belongs to Idolagnostus - Opik (1967)
• Agnostogonus incognitus belongs to Agnostogonus - Opik (1967)
• Linguagnostus reconditus belongs to Linguagnostus - Poletaeva and Romane (1970)
• Clavagnostus burnsi belongs to Clavagnostus - Jago and Daily (1974)
• Goniagnostus venustus belongs to Goniagnostus - Zhou and Yang (1977)
• Lejopyge multifora belongs to Lejopyge - Opik (1979)
• Diplagnostus floralis belongs to Diplagnostus - Opik (1979)
• Ptychagnostus leptus belongs to Ptychagnostus - Qian (1983)
• Glaberagnostus altaicus belongs to Glaberagnostus - Romanenko (1985)
• Lejopyge sinensis belongs to Lejopyge - Lu and Lin (1987)
• Linguagnostus paibiensis belongs to Linguagnostus - Dong (1991)
• Tomagnostella tianmashanensis belongs to Tomagnostella sulcifera - Peng and Robison (2000)
• Ammagnostus adchinensis belongs to Ammagnostus - Peng and Robison (2000)
• Tentagnostus belongs to Ammagnostus - Peng and Robison (2000)
• Ammagnostus simplexiformis belongs to Ammagnostus - Peng and Robison (2000)
• Kormagnostus inventus belongs to Kormagnostus - Peng and Robison (2000)
• Peratagnostus sinicus belongs to Peratagnostus obsoletus - Peng and Robison (2000)
• Pseudagnostus vigilax belongs to Pseudagnostus josephus - Peng and Robison (2000)
• Clavagnostus sulcatus belongs to Clavagnostus spinosus - Peng and Robison (2000)
• Hypagnostus correctus belongs to Hypagnostus parvifrons - Peng and Robison (2000)
• Pseudophalacroma triangularis belongs to Pseudophalacroma ovale - Peng and Robison (2000)
• Goniagnostus nodibundus belongs to Goniagnostus fumicola - Peng and Robison (2000)
• Ovalagnostus personatus belongs to Oidalagnostus changi - Peng and Robison (2000)
• Ovalagnostus belongs to Oidalagnostus - Peng and Robison (2000)
• Oidalagnostus tienshanicus belongs to Oidalagnostus trispinifer - Peng and Robison (2000)
• Linguagnostus spinosus belongs to Linguagnostus kjerulfi - Peng and Robison (2000)
• Glaberagnostus cicer belongs to Glaberagnostus - Peng and Robison (2000)
• Aspidagnostus taoyuanensis belongs to Aspidagnostus laevis - Peng and Robison (2000)
• Kunshanagnostus belongs to Hadragnostus - Peng and Robison (2000)
• Triplagnostus longitriangularis belongs to Pseudophalacroma lundgreni - Peng and Robison (2000)
• Kormagnostus taoyuanensis belongs to Kormagnostus minutus - Peng and Robison (2000)
• Litagnostus latilimbatus belongs to Kormagnostus minutus - Peng and Robison (2000)
• Lisogoragnostus circularis belongs to Lisogoragnostus - Peng and Robison (2000)
• Abagnostus belongs to Lisogoragnostus - Peng and Robison (2000)
• Pseudagnostina vicaria belongs to Pseudagnostus prolongus - Peng and Robison (2000)
• Linguagnostus transversus belongs to Linguagnostus paibiensis - Peng and Robison (2000)
• Hypagnostus parabrevifrons belongs to Hypagnostus brevifrons - Peng and Robison (2000)
• Hypagnostus brachydolonus belongs to Hypagnostus brevifrons - Peng and Robison (2000)
• Diplagnostus qinlingensis belongs to Diplagnostus planicauda - Peng and Robison (2000)
• Acadagnostus transversus belongs to Hypagnostus brevifrons - Peng and Robison (2000)
• Hypagnostus dabashanensis belongs to Hypagnostus parvifrons - Peng and Robison (2000)
• Hypagnostus kendectasicus belongs to Hypagnostus brevifrons - Peng and Robison (2000)
• Formosagnostus latus belongs to Hadragnostus modestus - Peng and Robison (2000)
• Kunshanagnostus kunshanensis belongs to Hadragnostus modestus - Peng and Robison (2000)
• Pseudagnostus koerferi belongs to Pseudagnostus - Peng and Robison (2000)
• Baltagnostus ambonus belongs to Baltagnostus - Peng and Robison (2000)
• Utagnostus songae belongs to Utagnostus - Peng and Robison (2000)
• Aspidagnostus lunulosus belongs to Aspidagnostus - Peng and Robison (2000)
• Clavagnostus repandus belongs to Clavagnostus - Peng and Robison (2000)
• Hadragnostus modestus belongs to Hadragnostus - Peng and Robison (2000)
• Ammagnostus hunanensis belongs to Ammagnostus - Peng and Robison (2000)
• Ammagnostus cryptus belongs to Ammagnostus - Peng and Robison (2000)
• Acmarhachis apicula belongs to Acmarhachis - Peng and Robison (2000)
• Linguagnostus kjerulfi belongs to Linguagnostus - Peng and Robison (2000)
• Agnostus babcocki belongs to Agnostus - Peng and Robison (2000)
• Clavagnostus longispinus belongs to Clavagnostus spinosus - Peng and Robison (2000)
• Clavagnostus spinosus belongs to Clavagnostus - Peng and Robison (2000)
• Tomorhachis belongs to Clavagnostus - Peng and Robison (2000)
• Acanthagnostus belongs to Clavagnostus - Peng and Robison (2000)
• Kormagnostus minutus belongs to Kormagnostus - Peng and Robison (2000)
• Hypagnostus brevifrons belongs to Hypagnostus - Peng and Robison (2000)
• Glaberagnostus bituberculatus belongs to Glaberagnostus - Peng and Robison (2000)
• Aspidagnostus stictus belongs to Aspidagnostus lunulosus - Peng and Robison (2000)
• Aspidagnostus pentagonus belongs to Aspidagnostus laevis - Peng and Robison (2000)
• Aspidagnostus chekiangensis belongs to Aspidagnostus lunulosus - Peng and Robison (2000)
• Clavagnostus (Leptagnostus) lanceolatus belongs to Clavagnostus calensis - Peng and Robison (2000)
• Cyclagnostus yaogongbuensis belongs to Acmarhachis typicalis - Peng and Robison (2000)
• Cyclagnostus belongs to Acmarhachis - Peng and Robison (2000)
• Peratagnostus obsoletus belongs to Peratagnostus - Peng and Robison (2000)
• Tomagnostella exsculpta belongs to Tomagnostella - Peng and Robison (2000)
• Diplagnostus zhexiensis belongs to Diplagnostus planicauda - Peng and Robison (2000)
• Tomagnostella sulcifera belongs to Tomagnostella - Peng and Robison (2000)
• Pseudophalacroma scanense belongs to Pseudophalacroma - Peng and Robison (2000)
• Pseudophalacroma lundgreni belongs to Pseudophalacroma - Peng and Robison (2000)
• Lisogoragnostus mictus belongs to Lisogoragnostus - Peng and Robison (2000)
• Lisogoragnostus hybus belongs to Lisogoragnostus - Peng and Robison (2000)
• Doryagnostus incertus belongs to Doryagnostus - Peng and Robison (2000)
• Linguagnostus stenus belongs to Linguagnostus - Peng and Robison (2000)