TYPE SPECIMENS OF PALEOZOIC FOSSILS 



343 



TRIMERELLA BillingS 



Trimerella acuminata Billings 



2127 -^i 1 - hypoplastotype Trimerella acuminata Billings 



Paleozoic fossils. 1865. 1 1167. 



Hall & Clarke. Paleontology of New York. 1892. 

 v. 8, pt 1, pi. 4B, fig. 6. 



Niagaran Port Byron 111. 



Trimerella ohioensis Meek 



2128 hypoplastotype Trimerella ohioensis Meek. 

 American journal of science, ser. 3. 1871. 1 '.30$. 



Hall & Clarke. Paleontology of New York. 1892. 

 v. 8, pt 1, pi. 4A,fig. 3. 



Niagaran Port Byron 111. 



2129 hypoplastotype Hall& Clarke. Paleontology of New 



York. 1892. v. 8, pt 1, pi. 4A, fig. 4. 



Niagaran Rising Sun O. 



2130 — 3 — hypotype Hall & Clarke. Paleontology of New York. 



1892. v. 8, pt 1, pi. 4A, fig. 8. 



Niagaran Ottawa county, O. 



triplecia Hall 

 Triplecia extans Emmons (sp.) 



2 1 31 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 1, pi. 11C, fig. 4. 



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



J. M. Clarke purchase 



Triplecia spiriferoides McCoy (sp.) 



2132 AJ^-i 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 1, pi. nC, fig. 10, 11. 



Caradoc sandstone Wales 



Murchison collection 



• 



Triplesia lateralis^ Syntrophia lateralis 

 Triplesia putillus see Mimulus waldronensis 



