CEPHALOPODA. 
431 
GONIATITES, De Haan. 1825. 
Gontatites, De Haan ( Monographic Ammoniteorum et Goniatiteorum Specimen ). 
In 1838 Mr. T. A. Conrad described Goniatites pundatus, from the Hamilton 
group, near Sherburne, Chenango county, N. Y. ( Geolog . Surv. of N. F : Pal. 
Dept., Annual Rep.). The original of this species is not known, and the form 
has not been recognized by subsequent investigators. 
In 1842 Mr. Lardner Vanuxem described Goniatites expansus [=G. Vanuxemi ], 
G. Marcellensis \= Nautilus (Discites ) Marcellensis] and G. Chemungensis (Geolog. 
Surv. of N. Y.: Rep. Third Dist.). 
Mr. Conrad described G. uniangularis, from the shales of the Hamilton group 
(Jour. Acad. Nat. Sci. Phila., vol. 8). 
In 1843 James Hall described Goniatites hicostatus, Clymenia complanatus 
(= Goniatites complanatus ) and G. sinuosus, from the Portage group (Geolog. 
Surv. of N. Y.: Rep. Fourth Dist.). 
In 1843 Prof. L. de Koninck described Goniatites rotatorius, from the Carbonif¬ 
erous rocks of Belgium (Descr. des Animaux Fossiles dans le Terr. Carbonifere). 
(See G. rotatorius: Thirteenth Rep. N, Y. State Cab. Nat. Hist., p. 101; and G. 
Ixion, p. 125.) 
In 1855 Dr. B. F. Shumard described Goniatites planorbifor mis, from the Coal 
Measures of Missouri (Geolog. Survey of Missouri). 
In 1857 Mr. E. T. Cox described Goniatites Nolinensis, from the Coal Measures 
(Geolog. Survey of Kentucky, vol. 3). 
In 1858 Dr. Shumard described Goniatites minimus, G. parvus and G. ■politus, 
from the Coal Measures of Missouri (Trans. St. Louis Acad. Sci., vol. 1). 
In 1860 James Hall described and illustrated Goniatites Mithrax, from the 
Upper Helderberg limestone; G. discoideus and G. orbicella, from the Hamilton 
group, and G. Patersoni, from the Portage group (erroneously referred to the 
Hamilton group); G. Hyas, G. Oweni, and G. Oweni, var. parallellus, from the 
Goniatite limestone of Indiana: also recognizing and illustrating G. expansus, 
Vanuxem, G. uniangularis, Conrad, and G. bicostatus, Hall, from the Hamilton 
and Portage groups; G. rotatorius? de Koninck (Thirteenth Rep. N. Y. State Cab. 
