244 BULLETIN 88, UNITED STATES NATIONAL MUSEUM. 



ENCRINASTER TISCHBEINIANITS (Roemer) emend. StUrtz. 



Aspidosoma tischbeinianutn Roemer, Palseontographica, vol. 9, 1863, pp. 144-146, 

 pi. 23. — QuENSTEDT, Pctrefactenkunde Deutsclilands, vol. 4, 1876, p. 76, 

 pi. 92, fig. 39.— Sturtz, Palajontographica, vol. 32, 1886, p. 92, pi. 12, figs. 

 1, 2. — ScHONDORF, Palaeontographica, vol. 57, 1910, pp.23, 62, pi. 1, fig. 1; 

 pi. 3, figa. 4, 5 (complete synonymy given here). 



Formation and locality. — Common in the roofing slates of the 

 Rhenish Lower Devonic at Bimdenbach, near Birkenfeld, Germany. 

 As many as 60 individuals have been found on a slab. 



Cat. No. 35117, U.S.N.M. 



ENCRINASTER ROEMERI (SchSndorf). 



Text fig. 28. 



Aspidosoma tischbeinianum Roemer (part), Palseontographica, vol. 9, 1863, pi. 25, 



fig. 11. 

 Aspidosoma roemeri Schondorf, Palseontographica, vol. 57, 1910, jip. 28, 62, 



pi. 2, fig. 3; pi. 3, figs. 2, 3. 



Formation and locality. — Found associated with E. tiscTibeinianus 

 at Bundenbach, Germany. 



ENCRINASTER SCHMIDTI (SchSndorf). 



Aspidosoma schmidti Schondorf, Palseontogi-aphica, vol. 57, 1910, pp. 31, 63, 

 pi. 1, fig. 6; pi. 3, figs. 17, 18 (complete synonymy given here). 



Formation and locality. — A slab with six specimens from the Lower 

 Devonic (Herdorfer zone of the Siegen) at Oberdielfen, Germany. 



ENCRINASTER EIFELENSIS (Sch»ndorf). 



Aspidosomn eifelense Schondorf, Palaeontographica, vol. 57, 1910, pp. 34, 63, 

 pi. 1, fig. 5. 



Formation and locality. — Known by several examples from the 

 Lower Coblenzian at Oberstadtfeld, Eifel, Germany. 



ENCRINASTER PONTIS (Clarke). 



Aspidosoma ? pontis Clarke, Monog., I, Serv. Geol. Min. Brasil, 1913, p. 312, 

 pi. 27, figs. 1-8; Bull. N. Y. State Mus., No. 164, 1913, pi. 35, figs. 1-4. 



Original description. — "This very graceful starfish occurs in abund- 

 ance in the soft gray shales of Ponta Grossa, sometimes in clustered 

 groups with its long and slender arms curled and intertwined, more 

 often as single individuals lying in beds with shells of Orbiculoidea 

 and various lamellibranchs. I have counted 20 individuals among 

 the specimens at my command and, singularly, every one of these is 

 preserved with its ambulacral face up. The removal of all calcareous 

 matter has left only internal casts of this surface from which it has 

 been possible to gain an idea of external structures from carefully 



