DEVONIAN FISHES OF IOWA 283 



101. Cladodus concinnus Newberry. Cleveland shale ; Lorain 

 county, Ohio. 



102. Cladodus rivi-petrosi Claypole. Cleveland shale ; Rocky 

 river, Ohio. 



103. Cladodus subulatus Newberry. Cleveland shale; Ohio. 



104. Cladodus terrelli Newberry. • Cleveland shale; Lorain 

 county, Ohio. 



105. Cladodus tumidus Newberry. Cleveland shale; Shef- 

 field, Ohio. 



106. Monocladodus clarki Claypole. Cleveland shale; Ohio. 



107. Monocladodus pinnatus Claypole. Cleveland shale; 

 Ohio. 



108. Cladoselache clarki Claypole. Cleveland shale; Ohio. 



109. Cladoselache fyleri Newberry. Cleveland shale; Cuya- 

 hoga county, Ohio. 



110. Cladoselache kepleri Newberry. Cleveland shale ; Cuya- 

 hoga county, Ohio. 



111. Cladoselache sinuatus (Claypole). Cleveland shale; 

 Ohio. 



112. Xenodus herzeri (Newberry). Huron shale; Ohio. 



113. Hoplonchus parvulus Newberry. Cleveland shale ; Bed- 

 ford, Ohio. 



114. Ctenacanthus clarki Newberry. Cleveland shale ; Berea, 

 Ohio. 



115. Ctenacanthus compressus Newberry. Cleveland shale; 

 Lorain county, Ohio. 



116. Ctenacanthus vetustus Newberry. Cleveland shale; 

 Sheffield county, Ohio. 



ARTHRODIRES. 



117. Coccosteus cuyahogae Claypole. Cleveland shale ; Cuya- 

 hoga county, Ohio. 



118. Dinichthys herzeri Newberry. Huron shale; Delaware, 

 Worthington and elsewhere in Ohio, also along Copperas creek 

 near the junction of Clark and Powell counties, Kentucky. If 

 the titles D. kepleri Claypole and D. ingens Wright (MS.) are 

 rightly held to be synonymous with D. herzeri, this species is 

 common to both the Huron and Cleveland shales of Ohio. 



