TYPE SPECIMENS OF PALEOZOIC FOSSILS 



293 



Productus dumosus see Productella dumosa 

 Productus (Productella) hallanus see Pro- 

 ductella hallana 



Productus navicella see Productella navicella 

 Productus (Productella) papulata see Pro- 

 ductella papulata 



Productus semireticulatus Martin (sp.) 



1801 hypoplastotype Anomites semireticulatus 



Martin. Petrefacta Derbiensia. 1809. p. 7. 



Productus semireticulatus Hall & Clarke. 

 Paleontology of New York. 1892. v. 8, pt 1, pi. 17A, 

 fig. 18. 



Coal measures Newcastle O. 



Productus speciosus see Productella speciosa 

 Productus spinulicosta see Productella spinu- 

 licosta 



Productus truncatus w Strophalosia truncata 

 ptychospira Hall & Clarke 

 Ptychospira ferita von Buch (sp.) 



1802 hypotype Terebratula ferita von Buch. Ueber 



Terebrateln. 1834. p. 76. 



Ptychospira ferita Hall & Clarke. Paleontology 

 of New York. 1894. v. 8, pt 2, p. 113, fig. 102. 



Middle Devonic Eifel, Germany 



Ptychospira longirostris Kayser (sp.) 



1803 -&i2_L hypotype Retzia longirostris Kayser. Zeitsch. 



d. deutsch geolog. Gesellsch. 187 1. 23: 557. 



Ptychospira longirostris Hall & Clarke. 

 Paleontology of New York. 1894. v. 8, pt 2, pi. 50, 

 fig. 12. 



Middle Devonic Eifel, Germany 



pugnax Hall & Clarke 



Pugnax mutatus Hall 



1804 hypotype Rhynchonella mutata Hall. Transac- 



tions of 'the Albany institute. 1858. 4:10. 



Pugnax mutatus Hall & Clarke. Paleontology 

 of New York. 1894. v. 8, pt 2, pi. 60, fig. 20. 



St Louis group Spergen hill, Ind. 



>i8o5 hypotype Hall & Clarke. Paleontology of New York. 



1894. v, 8, pt 2, pi. 60, fig. 21. 



St Louis group Spergen hill, Ind. 



