FAUNA OF THE HELDEKBEKGIAN 



Table of the Helderbergian Fauna 



283 



Stropeodonta arata Hall. 9172, 10573, 27791 



44 indenta (Conrad) 



44 planulata Hall. 3888, 4038, 10571, 



26034, 27785 



(?) couradi (Hall). 10575, 27792, 



27793 



Stroplionella headleyana Hall. 17171, 17172 



geniculata (Hall) .' 



" punctulifera (Conrad). 10572, 27781- 



27784 (Syn. S. cavurnbona (Hall) . . . 



leavenivorthana Hall. 10574 



(?) radiata (Vanuxem) 



f Orthothetes ivoolwortliianus Hall. 9114, 105G9, 



27794, 27795 



deformis Hall 



deformis sinuatus Hall and Clarke. . . 



subplanus (Conrad) 



ChOnostropJua helderbergix Hall and Clarke 



f inoplia nucleata Hall 



Chonetes punctata Simpson (Carbon county, Penn- 

 sylvania) -. 



2 n. sp. (Beecher collection) . . . . 



Scenidiwn insigne Hall ... 



Gypidula galeata (Dalman). 10494, 10611, 14771, 



15965, 26026, 27796 



pseudogaleata (Hall). 9181, 26019 



Anastrophid verneuili (Hall). 4115, 10601, 27797, 



27798 



RJujnchoneUa semiplicata Conrad. 10597, 4232, 



26012 



altiplicata Hall 



aspasia Billings 



acutipllcata Hall. 27804 



mainensis Billings 



bialveata Hall 



inutills Hall . 



" transversa Hall. 27805, 27806 



44 rudis Hall 



planiconvexa Hall 



sulciplicata, Hall 



eminens Hall 



Lissopleura sequivalvis (Hall). 4042 



Uncinulus mutabilis Hall. 4037, 10596, 1 5974, 2601 3 . 

 14 nucleolatus Hall. 4108, 4228, 9 1 52, 27799, 



27802 



" abruptus Hall. 27800 



pyramidatus Hall. 4107, 10591 



vellicatus Hall. 10593 



campbellanus (Hall) 



nobilis Hall. 4220, 8414, 10595, 15975, 

 26025, 27801 





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