16 CATALOGUE OF TYPES AND FIGURED SPECIMENS 



Goniatites Longthomi, Brown, 1841. 



1841. Goniatites Longthomi, Brown, Trans. Manch. Geol. Soc, i., p. 216, 



pi. vii., figs. 23-26. 

 1849. „ ,, Id., Foss. Conch., p. 247, pi. xxi.-'S figs. 



23-26. 



The specimens in the Gibson Collection bearing this 

 name are much unlike Brown's figures ; his description, 

 however, applies fairly well. 



Shell discoidal, crossed by a great number of fine striae, 

 which curve sharply forward on the sides, as in G. bilinguis, 

 and curve backwards again over the ventral surface ; 

 umbilicus minute. One specimen must have had a diameter 

 of 50 mm. 



Hebden Bridge, Yorks. 



Yoredale Shales. Coll. Gibson. 



Goniatites minutissimus, Brown, 1841. 



1841. Goniatites niinutissimnS , Brown, Trans. Manch. Geol. Soc, i., p 218, 



pi. vii., figs. 29-31. 

 1849. „ ,, Id., Foss. Conch , p. 248, pi. xxi.-, figs. 



29-31. 



Types. — An exceedingly minute Goniatite, possibly the 

 young of some other species. 



Shell sub-globose, mouth aperture semilunar, umbihcus 

 wide. Breadth, 0-5 mm. 



Millwood, Todmorden, Yorks. 



Yoredale Shales. Coll. Gibson. 



Goniatites paradoxicus, Brown, 1841. 



1841. Goniatites paradoxicus, Brown, Trans. Manch. Geol. Soc, i., p. 216, 



pi. vii., figs. 21, 22. 



1849- .) .. Id., Foss. Conch., p. 247, pi. xxi.-, figs. 



21, 22. 



Type. — A single specimen, the outer shelly matter gone. 

 Shell a little flattened laterally, with a minute umbilicus. 

 Breadth, 3 mm. 



High Green Wood, Yorks. 



Yoredale Shales. Coll. Gibson. 



