ammonites
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Gateway to the Paleobiology Database

J. Yang et al. 1993

Taxonomic names tied to this reference:
Agnostus neglectus Westergard 1946
Alokistocare curvus Zhou 1974
Cheiruroides arcticus Chernysheva 1962
Chuangiella elongata Kobayashi 1935
Ciceragnostus cicer Tullberg 1880
Dazhuia
Eoshengia constricta Zhang 1981
Eoshengia tenuis Zhang 1981
Huzhuia paratypica Yang 1978
Hypagnostus brevifrons vulgarus Qian and Qiu 1983
Hypagnostus vulgarus Qian and Qiu 1983
Innitagnostus neglectus Westergard 1946
Kootenia yui Chang 1963
Manchuriella tenuilabrosa Resser and Endo 1937
Parachangaspis Liu 1982
Peronopsis rakuroensis Kobayashi 1935
Pianaspis attenuata Lermontova and Chernysheva 1950
Proasaphiscus centronatus Resser and Endo 1937
Prohedinia attenuata Lermontova and Chernysheva 1950
Szeaspis centronatus Resser and Endo 1937
Xingrenaspis curvus Zhou 1974