512 



NEW YORK STATE MUSEUM 



SYNOPTIC TABLE OF THE DISTRIBUTION OF THE CEPHALOPODA OF THE 

 BEEKMANTOWN AND CHAZY STAGES OF THE CHAMPLAIN BASIN 



The capital letters denote the localities as follows: B Beekmantown; C Chazy; 

 F Fort Cassin; I Isle La Motte; P Philipsburg; V Valcour. 



NAME OF SPECIES 



1 Cameroceras brainerdi U'kitf. {s/>.).. 



2 C. tenuiseptum Hall 



3 C. curvatum Rued. 



4 Vaginoceras oppletum Rued 



5 Endoceras (?) champlainense Rued. . . 



6 E. (?) hudsoni Rued 



7 E. magister Rued 



8 E. montrealense Bill, sp 



BUF.K- 

 MAN- 

 TOVVN 

 STAGE 



F,V 



dc sp. 



9 Suecoceras marcoui Barrat 



10 Nanno noveboracum Rued 



11 Piloceras explanalor Whitf 



12 Cyrtendoceras (?) priscum Rued. . 



13 Baltoceras (?) pusillum Rued 



14 Orthoceras lentum Rued 



15 O. progressum Rued 



16 O. vagum Rued. 



17 O. modestum Rued ...... 



18 Geisonoceras shumardi Bill. s/.. 

 ig Protocycloceras lamarcki B/ll. sp. 



F, V 

 B 



V 



20 P. whitfieldi Rued 



31 P. (?) (-/. furlivum B/ll. sp 



22 Spyroceras clintoni Miller sp, 



23 Orygoceras cornu-oryx Whitf. sp.. 



24 Barrandeoceras natator Bill, sp 



25 Eurystomites kelloggi Whitf. {sp.). 



26 E. accelerans Rued 



27 E. amplectens yvac^/ 



28 E. rotundus //j'tr^/ 



29 E. virginianus Hyatt 



30 Tarphyceras farnsworlhi Bill, {sp.) 



31 T. seelyi Whitf. sp 



32 T. champlainense Whitf. (sp.) 



33 T. perkinsi H'hitf {sp.) 



34 T. clarkei Rued 



35 T. muliicameratum Rued 



36 Apheioceras farnsworthi {Bill, sp.) 



Hyatt 



37 A. attenuatum Hyatf 



38 Deltoceras vaningeni Rued 



39 Schroederoceras eatoni Whi-f. {sp.) 



40 S. cassinense Whitf. {sp.) 



41 Trocholitoceras walcotti Hyatt 



4a Trocholues internestriatus/r//zVy.(jr/.) 

 43 Plectoceras jason Bill, {sp.) 



B, V 



OTHER LOCALITIES 



F, V 



F,V 

 V 

 V 



F,V 



F(?) 



p 



F, V 

 F 

 F 

 V 



P 

 P 



f'/v 



F, V 

 F 

 F 



44 Loxoceras tnoniliforme Hall {sp.) 



45 Cyrtactinoceras boycii Whitf {sp.) . . 



46 C. champlainense Rued 



4 7Gonioceras chaziense Rued 



48 Ooceras kirbyi Whitf. {sp.) 



49 O. {■i)r-A<t\]\'hitf.{sp.) 



50 O. seelyi Rued.. 



51 O. lativentrum Rued 



52 O. (?) perkinsi /i'?^^;!' 



53 Cyclosiomiceras cassinense /r/4 ?■//". (j-/.) 



54 C. minimum Whitf. {sp.) 



55 Oncoceras pristinum Rued 



Incertae sedis 



56 (Orthoceras) rectiannulatum Hall . 



57 (O.) repens Bill 



58 (O.) catulus Bill 



59 (O.) perseus 5/// 



C, V 



C, V 



I 

 C,V,I 



V 



V 



V, I 



C,V, 



Also Crown Point 



Beekmantown beds near Mon- 

 treal 



C,V 



C,V,I 



v" 



Chazy of Mingan islands 

 Beekmantown beds of Mingan 

 islands, Newfoundland, etc. 



Ontario, Can. 



Chazy of Mingan islands 



Chazy of Mingan islands 

 Shakopee of Wisconsin 



Lexington Va 



C,V,I 



C(?) 



c 



C.V,I 

 C 



C, I 

 V, I 



I(?) 



Chazy of Mingan islands and 

 Newfoundland. M. Chazy of 

 Crown Point 



Chazy of Plattsburg 



Also Saranac river at Plattsburg 



Also Saranac river at Plattsburg 



Horizon unknown 



