Quart. Journ. Geol. Soc. Vol. LII. 



Correlation of the Russian and West European Formations. 



[Tof* 



Clays and shales. 

 Hoptites Beshaycsi. 



Sands with Belcm- 

 nitcs sub quadratics 

 (ammonites were not 

 found). 



The f'nniK'V piv-ri|,v 

 eated liy the Oecnr- 



xenceof 8 iw !>ir*/, ;/,s 

 ffi'sn-olo}' in the 



mmonites cf. spass- 

 kensis, Belemnites 

 lateralis, subquad- 



Calcareous sandstone. 



Ammonites kaslipuri- 

 cus, subclypeiformis, 

 subditus, catenuln- 

 tus, Bclemnites late- 

 ralis, russiensis, mos- 

 quensis, Aucella 



' Fischeri, etc. 



'irgatitcs virgatus, 

 Belemnites absolu- 



lasi, crushed a 

 nites of the 

 cfieri- type. 



Soplites pscudomuta- 



Glauconitic clays, phos- 

 phatic and calcare- 

 ous sandstones (with 

 Belenmites sub- 



guadratus, lateralis, 

 Aucella volgensis, 

 piriformis, Kcyscr- 

 Ihtqi) not suhdivided 



Clays and sands. 

 Hoplitcs Dcshaycsi. 



Clays and shales, 

 loplites Dtis/iayesi. 



Si„.j.;,-*i;>.* 



! faun 



■ I',,!,, ,.{,,. 



(2) PolyptychitesKey 



stenomphalns, spass 

 kensis, etc. 



PI IO.pl, 



Shales and clays with 

 Aucella Pallasi and 

 crushed hiplicatc 



Marly clays with 

 Koplites pseudo- 

 mutabilis, eudo.rus, 



lands and sandstone; 

 with pi ant- remains 

 Sparrow Hills, Tata 



Ferruginous sandstone 



Sand and sandstone 

 with large ammo- 

 nites of the gigan- 

 tens-type. 



Phosphatic conglome- 

 rate, clays and 



Bclemnites magn if ens 

 Discina tatUsima 

 Aucella Pallasi, 

 crushed ammonites 

 of the Bleicheri 



Black shales, poor i 

 fossils (traces < 

 plants), not define 

 pala?ontologically. 



ndstones and sands. 



Uudi.y, r. 



Glauconitic and ferru- 

 ginous sands with 

 Ammonites Blakei, 

 Devillei, and large 

 ammonites of the 

 giganteus-type. 



Virgatites virgatus 

 Bclemnites absolu 



Probably destroyed, 

 and represented only 

 by the Lower bed of 

 phosphatic nodules 

 with Aucella Pat- 



Glauconitic sand and 



sandstone. 

 Ammonites spassken- 

 sis, afF. stenomphalus, 



sanensis group, Bc- 

 lemnites lateralis, 

 russiensis, Aucella 



volgensis,Kctjserlingi. 



Phosphatic sandstone. 



BCoplites riasanensis, 

 Aucella Fisc/ici'i, 

 trigonoides, Behm- 

 nites mosquensis. 



Phosphatic sandstone 

 with Ammonites 

 kashpuricus, subcly- 

 peiformis, and glau- 



NoirniKiiN a.m. Westkhn Gi-:kma: 

 (Supposed sequence of the Ainmonitic 2 



Clays and marls. 



Hoplitcs Dcshaycsi, Bclemnites britnsvic 



Sn.ii.j.sl, i/rs ./ismfalratiis, Dtchcni, foils- 

 lin-tjt a sis, litisii, progrnli, ,is (dewing 1 1 

 ]iniii'ip;dly in the western half of the 

 German Neoemnian region). 



Hythe and Sandgate 



Tealhy Liim-vtoiif, 



he-U II of Speetoi 

 Il.> } ,l,t, s D.shaj/rsi, 

 !'•■ 1, mnite$ brum ' 



Jeds with Hoplite, 



!><,,,.,„,.., m ,| 



U anthoa ras Kar- 



Tealby Clay, beds 

 0,-C] of Speeton, 



•^ ""/•/, -.'■!. it, ■ 

 <>is,s.Ll,,; 



falcate, 



pr,u,r, 



Weald Clay, 



Hastings Sand: 



and Clays. 



Glauconitic sand and 

 phosphatic nodules 

 with Virgatites vir- 

 gatus, Belemnites 

 absolutus, etc., in 

 some places reduced 

 to a thin band of 

 phosphatic nodules. 



Destroyed almost en- 

 tirely (rare finds of 

 Kimeridgian .Hop- 



Black 1 

 with Cardiocer 

 alternans and 



Claxby Ironstone (up- 

 per part^bedsD.upper 

 part, Cr-Cu of Speeton. 



MacroseaphUi 1 Ivan 



Uapljhs i'(ldi,it„ S , Leo- 



i'lddimts, Ilolcdis 

 ciisiocertus^sticri 



Atherstoni. 



1'otyptychites Kei/ser- 

 lingi, grauesiformis, 

 Beani, Belemnites 

 lateralis. 



Valengien. 

 Hoplite* neocot 



mmonitessti nompha 

 his, Aucella vol 

 gi itsis, Keyserlingij 

 Belemnites lateralis. 



Freshwater beds of the Upper Jurassic 

 Purbeck, Serpulit, Blunder Mergel, Ein 



unmon'ites giganteus, 

 bononiensts, Blakei, 

 Trigonia gibbosa. 



Portland Sand and 

 Hartwell Clay of 

 En-land. Portland 

 Clay between La 

 Creche and Wime- 

 reux, France. 



Spilsby Sandstone(part 

 of), beds Dt-D, " 



Belemnites absolntits, 

 fragments of ammo- 

 nites of the Virga- 

 titcs-type. 



(Upper) Berrias. 

 oolites Malbo, 



Berrias). 



Hoplites Calisto, pri- 

 ensiSfPt risphina- 



Tithonian zone 

 Perisphinctesaeron, 



colubrinus, P/iyllo- 



.one of Oppelia lit/ 

 if raj '/lira, Aspia 

 cerat cyclotum. 



3eds with mptttm 



jiSi m/omiifabi/is.Js- 



pidoceras acanthi- 



