NO. b NEW AMERICAN EDRIOASTEROIDEA BASSLER 3I 



PAGE 



Fig. 12. Cincmnatidiscus turgidus, new species 6 



The holotype, X 4, exhibiting the short swollen ambulacra. 

 Richmond (Whitewater) : Oxford, Ohio. 



Plate 6 



Figs, i, 2. Isorophus {Agelacrinus) aiisfini (Foerste) 17 



(See also pi. 2, fig. 9.) 



1. One of a group of specimens attached to a limestone fragment, 

 X 4. The ambulacra are partially covered by the marginal 

 rows of plates. Richmond (basal Saluda) : Fallen Timbers 

 Creek, Versailles, Indiana. 



2. Under side of oral surface, X 4. showing the ambulacral 

 floor plates arranged in a single row. 



Richmond (Upper Whitewater) : Dodges Creek, Oxford, Ohio. 



Figs. 3, 4. Isorophus gcniianus, new species 18 



'3. The holotype, a fairly well preserved specimen, X 2, attached 

 to a brachiopod. The fewer rows of interambulacral plates 

 distinguish it from /. holbrooki. 



4. Another entire example, X 2, although slightly worn. 

 Waynesville (Clarksville) : Morrow (fig. 3) and Oxford, Ohio. 



Figs. 5, 6. Carneyella ulrichi, new species (Bassler and Shideler) 8 



5. The type example, X 2, a somewhat crushed specimen attached 

 to a Hebcrtella. 



6. View of surface, enlarged, showing ornamentation of oral, 

 ambulacral and interambulacral plates. 



Cincinnatian (Maysville-Bellevue) : Railroad cut, south of Mays- 

 ville, Kentucky. 

 Figs. 7, 8. Carneyella foerstci, new species (Bassler and Shideler) 8 



7. The holotype, X 2, a slightly crushed example attached to a 

 Rafincsquina. 



8. Surface ornament, enlarged, exhibiting the elongate nodes of 

 the ambulacral plates. 



Richmond (Arnheim-G [ypfocriniis zone) : Russellville, Ohio. 



Fig. 9. Isorophiis shideleri, new species 19 



The complete, although slightly damaged type specimen, X 3. 

 with the characteristic very narrow, long, much recurved 

 ambulacra. 

 Richmond (Elkhorn) : West of Hamburg, Indiana. 



Fig. id. Isorophus kentuckyensis, new species 18 



The type specimen, X 2, a crushed theca attached to a limestone 



layer. 

 Trenton (Woodburn-Greendale contact) : Lair Station, Kentucky. 



Fig. 1 1. Isorophus warrenensis (James) 19 



(See also pi. 5, fig. 2, 3.) 

 Photograph, X 2, of a specimen probably belonging to this species, 



showing jumbled condition of plates. 

 Richmond (basal Arnheim) : Mouth of Second Creek of Todds 

 Fork, Warren County, Ohio. 



