TYPE SPECIMENS OF INVERTEBRATE FOSSILS. 81 



22S66. Avicula gastrodes Meek. Plesiotypes. 



Colorado (Cret.). Poison Canyon and William's Creek, 

 Huerfano Park, Colorado. 



Stanton, Bull. No. 106, U. S. Geol. Surv. , 1893, p. 72, pi. 9, figs. 

 7-10. 



See Pteria (Oxytoma) erecta, and P. (O.?) gastrodes. 



77S9. Avicula (Oxytoma?) gastrodes Meek. Holotype. 



Colorado (Cret.). Coalville, Utah. 



Meek, Sixth Ann. Rept. U. S. Geol. Surv. Terr'., 1872 (1873)^.491. 

 See Pteria (Oxytoma?) gastrodes. 



46094. Avicula hermione Billings. Plastotype. 



Trenton (Ord. ). Montreal, Canada. 



Billings, Paleozoic Fossils, Geol. Surv. Canada, 1865 (Advance 

 Sheet, 1862), p. 40, fig. 42. 



6514. Avicula longa (Geinitz). Plesiotypes. 



Upper Carb. Nebraska City, Nebraska. 



Meek, Final Rept. U. S. Geol. Surv., Nebr. (Hayden), 1872, p. 

 199, pi. 9, fig. 8. 



1893. Avicula mucronata Meek and Hayden. Cotypes. 



Jurassic. Wind River Valley, Wyoming. 



Meek and Hayden, Pal. Upper Mo., Smithsonian Cout. to 

 Knowl., No. 172, XIV, [864, p. 81. 



= Avicula wyomingensis. 

 See Pteria munsteri. 



12342. Avicula (Oxytoma) mucronata Meek and Hayden. Cotypes. 

 Jurassic. Two miles south of Belle Fourche River, near 

 Bear Lodge Butte, Black Hills, South Dakota. 



Whitfield, Rept. Geol. and Resources Black Hills, Dakota, 18S0, 

 P- 357, pl- 4, figs. 1, 2. 



= Avicula (Oxytoma) wyomingensis. 

 See Pteria munsteri. 



7788. Avicula (Pseudoptera) propleura Meek. Cotypes. 



7790. Colorado (Cret.). Coalville, Utah. 



Meek, Sixth Ann. Rept. U. S. Geol. Surv. Terr., 1872 (1873), 

 p. 489. 



= Gervillia propleura. 



7888. Avicula (Pseudoptera) rhytophora Meek. Cotypes. 



7790. Colorado (Cret.). Coalville, Utah. 



Meek, Sixth Ann. Rept. U. S. Geol. Surv, Terr., 1872 (1S73), 

 p. 490. 



= Gervillia propleura. 



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