苏北滨海—宝应地区石炭系牙形刺

CARBONIFEROUS CONODONTS FROM BINHAI AND BAOYING,NORTHERN JIANGSU

本文记述了滨海县新港滨Ⅱ-2孔和宝应县黄浦黄10孔石炭系牙形刺13属16种5亚种和3个未定种。它们自下而上可归属4个牙形刺带和1个亚带。下石炭统的Siphonodella levis-Polyg-nathus inornatus带(含 Siphonodella eurylobata-Polygnaths streeli亚带)和 Gnathodus girtyi带;上石炭统的 Idiognathoides sulcatus带和 Idiognathodus delicatus-I.sinuosus带。

The conodonts described in this paper collected of 2 boreholes of the Carboniferous inBinhai and Baoying Counties of northern Jiangsu,comprise 13 genera and 24 species (includ-ing subspecies and species inquirendae). Four conodont zones and one subzone are recognizedin descending order as follows: Upper Carboniferous Series: 4. Idiognathodus delicatus--I. sinuosus Zone; 3. Idiognathoides sulcatus Zone; Lower Carboniferous Series: 2. Gnathodus girtyi Zone; 1. Siphonodella levis-Polygnathus inornatus Zone; S. eurylobata-P. streeli Subzone.