Klem — Revision of the Palaeozoic Palae'echinoidea. 31 



Geological formation and locality: Lower Carboniferous, 

 Hunsriickenwald, Ober-Elsass, Germany. 



b. Palaechinus (Scouler) M'Coy 1844.* 



Syn. Typhlechinus Neumayr 1889. t 



From ^YQ to nine columns of plates in each interambulac- 

 rum and two columns in each ambulacrum. Four pores in 

 each ambulacral plate. 



1. Palaechinus ellipticus Scouler. 



1844. Palaechinus ellipticus. Scouler, M'Coy Foss. of Ire- 

 land, p. 172, pi. 24, fig. 3. 

 1847. Echinocrinus ellipticus. D'Orbigny, Gourde Pal., vol. 



2, p. 126, ^g, 278. 

 1850. Palaechinus ellipticus. D'Orbigny, Prodome, vol. 1, 



p. 154. 

 1854. Palaeocidaris ellipticus. Vogt, Lehrbuch d. Geol. u. 



Petref., Aufl. 2, Bd. 1, p. 332, figs. 212-214; Bd. 2, 



p. 482, ^g. 928. 

 1858. Palaechinus ellipticus. Desor, Syn., p. 158. 

 1862. Palaechinus ellipticus. Dujardin et Hupe, Echino- 



dermes, p. 464. 

 1865. Palaechinus ellipticus. Baily, Dub. Quart. Journ. Sci. , 



vol. 5, p. 263, pi. 8, ^g. 2. 

 1865. Palaechinus ellipticus. Baily, GeoJ. Mag., vol. 2, p. 



217. 



1874. Palaechinus ellipticus. Loven, Kongl. Svens. Vetens. 

 Akad. Handl., Bd. 11, No. 7, p. 41. 



1875. Palaechinus ellipticus. Quenstedt, Petrefact. 

 Deutschl., p. 380, tab. 75, ^g. 42. 



1889. Palaechinus ellipticus. Duncan, Ann. Mag. Nat. Hist., 



ser. 6, vol. 3, p. 200, fig. 8. 

 1893. Palaechinus ellipticus (?). Tornquist, Mitth. Geol. 



Landesarist. Elsass, Bd. 4, Hft. 2, p. 103. 



* Foss of Ireland, p. 171. 



t Die Stamme des Thierreiches. Wirbellose Thiere, Bd. 1, p. 362. 



