牙形石Parapachyclad_省略_ris的表面微细构造研究及其启示_张舜新.pdf

19983;15( 1) : 1- 12 Acta Micropalaeontologica Sinica,15( 1) : 1- 12; March, 1998 Parap achy cladina p eculiaris 张舜新 ( , 100083) Parap achyclad ina p eculiaris , , Prioniodinida Ellisonidae , , , prioniodinid Parap achycla- dina p eculiaris , Parap achycladina p eculiaris ; , ,1970,Ziegler (nodes) (tubercles) (rigdes) (ribs) , , Lindstrom Ziegler( 1971) Panderodontacea , , (smooth surface) , (fine striation) , (coarse striation) , (lon- gitudinal furrow) ,(basal wrinkles) ,(microdenticles and dental pits) Lindstrom ( 1972) Prioniodontidae , Barnes ( 1973) Panderodontidae , Barnes Slack( 1975) Acanthodontidae ,, ,, o 2 15 , , , Palmatolep is distorba P . marginfi era(Lind- strom Ziegler, 1981) (carminiplanate) Pa , ,(carina denticles) ; (nodes of parapet) , ?1971 Fahraeus, , , , , . 2, ( Treatise on Invertebrate paleontology Part W Suppl Conodonta Ro- bison, 1981) 171, , prioniodinid Pachycladina p eculiaris (Zhang Yang, 1991) , ,P achycladina Sa ( ) , Parap achycladina (Zhang et al. , ) prioniodind Parap achycladina P arap achycladina p eculiaris ( microstriae) 300, 1000( ,1, 4, 6, 8, 10) ,, , ( ,1, 8) , ( ,4,6, 10) , Parap achycladina p