146 



CAMBRIAN BRACHIOPODA. 



Detailed stratigraphic distribution of Cambrian and Ordovidan Brachiopoda — Continued. 

 Sweden, Demnarh, Finland, and Norway— Continued. 



Localities and species in Sweden, Denmark, and 

 Finland in their approximate stratigraphic 

 position. 



MIDDLE CAMBRIAN— continued. 

 Paradoxides davidis zone. 



Paradoxides tessini zone, Agnostus parvifrons 

 zone, Conocorypheexsulans zone, ana Etage Ic 

 (Norway). 



16k, 16 1. 



Acrothele coriacca — IGk, 161. 

 Acrotreta sagittalis — 16k, 161. 



16i, SlOm, 310o, 311z, 320d, 320h, 334a, 334c, 



334d. 

 Obolus schmalensed — 16i, 

 Obolus {Westonia) finlandensis — 311x. 

 Lingulella ferruginea — SlOm, 310o. 

 Lingulella sp. — 161. 

 Acrothele coriacea — 334c, 334d. 

 Acrothele intermedia — 320h, 334a. 

 Acrotreta sagittalis — 161. 

 Acrotreta schmalenseei — 320d. 

 Liocephalus impressa — 16i. 



Acrothele coriacea — 324a, 324b. 

 Agnostus TiMdws- 324b. 



Paradoxides celandicus zone. 



8z, 309i?, 310c, 310p, 3201, 320sT, 320t. 



Obolus sp. undt. g— 3201. 



Lingulella ferruginea — 310p. 



Acrothele coriacea — 3201. 



Acrothele (Redlichella) granulataSz, 309f, 3201, 



320s, 320t. 

 Acrotreta schmalenseei — 310c, 310p. 

 ^crotreta socialis—Sz. 

 AcrotretasTp. — 8z. 

 Billingsella exporrecta—Z2Q\. 

 Billingsella Undstromi— 3201. 



(See Sz, p. 173, for additional associated forms.) 



Acrotreta schmalenseei — 323b. 



MIDDLE ? CAMBRIAN. 



LOWER CAMBRIAN. 



Eolmia kjerulfi zone (Mesonacis torelli zone). 



311, 311a-u, 311y, 320o. 



MicliwUzia jformosa — 311 1, 311s. 

 JlXicfc«Jii2iamomZi/i;ra— 311e,311f,3111,311q,311r, 



311u. 

 Obolus (Westonia) dlandensis—Sll], 311k, 311m, 



311y. 

 Obolus (Westonia) balticusSllh., 311o, 311t. 

 Obolus IWestonia) bottnicus — 311, 311e. 

 Obolus (Westonia) wimani — 311c, 311g, 311i, 311t. 

 Lingula or Lingulella— dllc, 311j, 311p, 311t, 311y . 

 Acrothele coriacea— S20o. 

 Acrotreta eggegrundensis — 311, 311a, 311d. 

 Acrotreta uplandica—Zllh, Slip. 

 Acrotreta uplandica limben^is—Slln.. 



(See 311, 311c, Slip, 311k, 311m, 311n, 311s ,311t, 

 311y, pp. 243-245, for additional associated 

 forms.) 



320x, 321s, 3217. 



Lingulella nathorsti — 320x. 

 Obolella lindstrdmi—i2ls, 321v. 

 Obolella mo&erffi- 321s, 321v. 

 Mesonacis torelli — 321v. 

 Holmia kjerulfi— i2Qx. 



8v, 324. 



Lingulella sp. — 324. 

 Obolella mobergi — 8v, 324. 

 Obolella (Glyptias) favosa— 324. 

 A crothele bellapunctata — 8v. 

 Holmia kjerulfi— 324. 

 Arionellus—S24. 



Fucoid sandstone. 



309c, 309d, 310e?, 310f?, 310gT, 390a?, 390d?, 

 390h. 



Micromitra (Paterina) undosa—SlOf, 390a, 390d, 



390h. 

 Obolella (Glyptias) favosa— 3Q9c, 309d. 

 Acrothele sp. undt. — 310e. 

 Acrothele sp. undt.— 310f, 310g. 

 Discinella—SlOS, 390a, 390d, 3301i. 



Eophyton sandstone (MickwitZi 

 Sparagmite sandstone). 



8y, 390j, 390k. 



Mickwitzia m onilif era— 3Q0] , 390k. 

 Mickwitzia pretiosa — 390j. 

 Lingulella nathorsti — 8y. 

 (See 8y and 390j, pp. 173 and 280, for additional 

 associated forms.) 



