TYPE SPECIMENS OF PALEOZOIC FOSSILS 343 



TRIMERELLA BillingS 



Trimerella acuminata Billings 



2127 *ji^ HYPOPLASTOTYPE T r i m e r e 1 1 a a c u m i n a t a Billings 



Paleozoic fossils. 1865. i :i67. 



Hall & Clarke. Paleontology of New York. 1892. 

 v. 8, pt i, pi. 4 B, fig. 6. 



Niagaran Port Byron 111. 



Trimerella ohioensis Meek 



2128 Jyj- HYPOPLASTOTYPE Trimerella ohioensis Meek. 



American journal of science, ser. 3. 1871. i :305. 



Hall & Clarke. Paleontology of New York. 1892, 

 v. 8, pt i, pi. 4A,fig. 3. 



Niagaran Port Byron 111. 



2 1 29 ^V- HYPOPLASTOTYPE Hall & Clarke. Paleontology of New 



York. 1892. v. 8, pt i, pi. 4A, fig. 4. 



Niagaran Rising Sun O. 



2130 M^ HYPOTYPE Hall & Clarke. Paleontology of New York. 



1892. v. 8, pt i, pi. 4 A, fig. 8. 

 Niagaran Ottawa county, O. 



TRIPLECIA Hall 

 Triplecia extans Emmons (sp.) 



2131 JL2.a HYPOTYPE Atrypa extans Emmons. Geology of 



New York; report on the 2d district. 1842. p. 395. 



Triplecia extans Hall & Clarke. Paleontology 

 of New York. 1892. v. 8, pt i, pi. uC, fig. 4. 



Trenton limestone Carlton island, Jefferson co. N. Y, 



J. M. Clarke purchase 



Triplecia spiriferoides McCoy (sp.) 



2132 ^ SJ - HYPOTYPE Leptaena (Strophomena) spirifer- 



oides McCoy. Annals and magazine of natural history, 

 ser. 2. 8:402. 



Triplecia spiriferoides Hall & Clarke. Paleon- 

 tology of New York. 1892. v. 8, pt i, pi. uC, fig. 10, ii. 



Caradoc sandstone Wales 



Murchison collection 



Triplesia lateralis see Syntrophia lateralis 

 Triplesia putillus see Mimulus waldronensis 



