178 SMITHSONIAN MISCELLANEOUS COLLECTIONS 
VOL. 
ANNOTATED LIST OF GENERA AND SPECIES—Continued 
Species 
R. nevadensis Ulrich and 
Cooper 
R. occidentalis Ulrich and 
Cooper 
R. transversa Ulrich and 
Cooper 
Rhysostrophia sp. 1 
Rhysostrophia sp. 2 
Rhysotreta corrugata Cooper 
Rostricellula acutiplicata 
Cooper 
R. ainsliei (N. H. Winchell) 
R. ? angulata Cooper 
R. basalaris Cooper 
R. colei Cooper 
R. compressa Cooper 
R. costata Cooper 
R. cuneata Cooper 
R. cuneiformis (Fenton and 
Fenton) 
R. decorahensis (Fenton and 
Fenton) 
R. elliptica Cooper 
R. major (Raymond) 
R. minnesotensis (Sardeson) 
R. ? minuta Cooper 
R. missouriensis (Fenton and 
Fenton) 
R. multicostata Cooper 
R. nucleolata Cooper 
R. orientalis (Billings) 
SPECIES 
Stage Formation 
Whiterock Upper Pogonip 
(Rhysostrophia 
zone) 
Whiterock Upper Pogonip 
(Rhysostrophia 
zone) 
Whiterock Boulder in 
Mystic cgl. 
Whiterock Upper Pogonip 
Whiterock Table Head 
Porterfield Pratt Ferry 
Trenton Prosser 
Wilderness Decorah 
(Spechts Ferry) 
Wilderness Dark shale under 
Eureka quartzite 
Marmor Mosheim, Lenoir, 
Tumbez, Row 
Park 
Trenton Decorah (Ion) 
Wilderness Camp Nelson, 
Lebanon, Wells 
Marmor Lenoir 
Porterfield Bromide 
(Mountain Lake) 
Wilderness Plattin (Macy), 
Barnhart 
Wilderness Decorah 
(member ?) 
Marmor New Market 
Marmor Valcour 
Wilderness Platteville 
(McGregor), 
Decorah 
(Spechts Ferry ) 
Trenton Hermitage 
Wilderness Barnhart, 
Plattin (Macy) 
Marmor Ellett 
Wilderness Platteville 
(Pecatonica ) 
Marmor Mingan 
Geographic 
location 
Nev. 
Nev. 
Quebec 
Nev. 
Newfoundland 
Ala. 
Minn. 
Minn. 
Nev. 
Ala. Pas 
Tenn., Va. 
Towa, Minn. 
Ky., Tenn. 
Ala. 
Okla. 
Mo. 
Iowa 
Va. 
INESe 
Ill., Minn., 
Wis. 
Minn. 
St. Lawrence 
River, 
Quebec 
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