古生物学报
古生物學報
고생물학보
ATCA PALAEONTOLOGICA SINICA
2002年
1期
77-88
,共12页
鹦鹉螺 奥陶纪 Darriwilian Caradoc 丽江 云南
鸚鵡螺 奧陶紀 Darriwilian Caradoc 麗江 雲南
앵무라 오도기 Darriwilian Caradoc 려강 운남
首次系统描述云南丽江鸣音下胖罗、当子落两地奥陶纪鹦鹉螺10属19种,包括Meitanoceras subglobosum discoides,Changyangoceras gaojiabianense,Michelinoceras elongatum,M. paraelongatum,M. parasquamatulum,Michelinocera variabilum,M. xuanxianense ?,M. aff. M. xuanxianense,M. zangbeiense,Eosomichelinoceras guizhouense,Archigeisonoceras elegatum,A. sp. 1,A. sp. 2,Stereoplasmocerina sp. 1,S.? sp. 2,Cameroceras cf. C. compressum,Dideroceras sp.,Discoceras cf. rarospira,Trocholites aff. T. lativentrosus。依据鹦鹉螺组合特征,认为含鹦鹉螺地层时代为Darriwilian中期及Caradoc中期。
首次繫統描述雲南麗江鳴音下胖囉、噹子落兩地奧陶紀鸚鵡螺10屬19種,包括Meitanoceras subglobosum discoides,Changyangoceras gaojiabianense,Michelinoceras elongatum,M. paraelongatum,M. parasquamatulum,Michelinocera variabilum,M. xuanxianense ?,M. aff. M. xuanxianense,M. zangbeiense,Eosomichelinoceras guizhouense,Archigeisonoceras elegatum,A. sp. 1,A. sp. 2,Stereoplasmocerina sp. 1,S.? sp. 2,Cameroceras cf. C. compressum,Dideroceras sp.,Discoceras cf. rarospira,Trocholites aff. T. lativentrosus。依據鸚鵡螺組閤特徵,認為含鸚鵡螺地層時代為Darriwilian中期及Caradoc中期。
수차계통묘술운남려강명음하반라、당자락량지오도기앵무라10속19충,포괄Meitanoceras subglobosum discoides,Changyangoceras gaojiabianense,Michelinoceras elongatum,M. paraelongatum,M. parasquamatulum,Michelinocera variabilum,M. xuanxianense ?,M. aff. M. xuanxianense,M. zangbeiense,Eosomichelinoceras guizhouense,Archigeisonoceras elegatum,A. sp. 1,A. sp. 2,Stereoplasmocerina sp. 1,S.? sp. 2,Cameroceras cf. C. compressum,Dideroceras sp.,Discoceras cf. rarospira,Trocholites aff. T. lativentrosus。의거앵무라조합특정,인위함앵무라지층시대위Darriwilian중기급Caradoc중기。