Klem — Revision of the Palaeozoic Palae'echinoidea. 31 



Geological formation and locality: Lower Carboniferous, 

 Hunsriickenwakl, Ober-Elsass, Germany. 



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



Syn. Typhlechinus Neumayr 1889. f 



From five 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 elUpticus. Scouler, M'Coy Foss. of Ire- 

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

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



2, p. 126, fig. 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, fig. 928. 

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

 1862. Palaechinus ellipticus. Dujardin et Hupe, Echiuo- 



dermes, p. 464. 

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



vol. 5, p. 263, pi. 8, fig. 2. 

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



217. 



1874. Palaechinus ellipticus. Lovcn, Kongl. Svens. Vctens. 

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



1875. Palaechinus ellipticus. Quenstcdt, Petrefact. 

 Deutschl., p. 380, tab. 75, fig. 42. 



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



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

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



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



* Foss of Irelaml, p. 171. 



t Die Stamme des Thierreiches. Wirbellose Thiere, Bd. 1, p. 3G2. 



