214 THE GENERA OF FISHES, TART IT 



Otodus Agassiz, 111. 206; logotype O. obliquus Ag., not O. appendiculatus Ag. 

 (fossil). Apparently not separable from the living genus, Lamna Cuv. (1817). 



Corax Agassiz, III, 244; logotype Galeus pkistodontus Morton (fossil). 



Hemipristis Agassiz, III, 237; orthotype H. serra Ag. (fossil). A genus repre- 

 sented by a living homologue, Dirrhizodon elongatus Klunzinger in the 

 Red Sea. 



Meristodon Agassiz, III. 286; orthotype Oxyrhina paradoxa Ag. (fossil). Prob- 

 ably a synonym of Hybodus. 



Sphenodus Agassiz, III, 298; orthotype Lamna longidens Ag. (fossil). Name 

 regarded as preoccupied as Sphexodon Gray (1831) ; replaced by Orthacodus 

 Woodw. (1889). 



Carcharopsis Agassiz, III, 313; orthotype C. prototypus Ag. (fossil). Name only; 

 same as Pristicladodus dentatus McCoy. A synonym of Dicrenodus 

 Romanowsky( 1853), which name Woodward adopts, as being first defined 

 and with a described type. 



Zygobatis Agassiz, III, 328; logotype Rhinoptera studeri Ag. (fossil). Appar- 

 ently a synonym of Rhinoptera Kuhl. 



Ganodus Agassiz, III, 339: orthotype Chim^era oweni Ag. (fossil). 



Psittacodon Agassiz, III, 340; logotype Ischyodus psittacinus Egert. (fossil). 

 A synony of Ganodus. 



Actinobatis Agassiz, III, 372; orthotype R.aja ornata Ag. (fossil). Regarded 

 as a synonym of Raja L. If so, the living species. Raja ornata Garman, 

 must receive a new name. 



Scylliodus Agassiz, III, 7)11 \ orthotype S. antiquus Ag. (fossil). An ally of 

 Thyellina and Scylliorhinus. 



Arthropterus Agassiz, III, 379; orthotype A. rileyi Ag. (fossil). A bit of some 

 unrecognized ray. 



Asterodermus Agassiz, III, 381; orthotype A. platypterus (fossil). Name pre- 

 occupied by AsTRODERMUs Bonelli, 1829. 



Thyellina Agassiz, III, 378; orthotype T. angusta Ag. (fossil). A fossil ally of 

 Scylliorhinus Blainv. 



Narcopterus Agassiz, III, 382; orthot3'pe N. bolcanus Ag. (fossil). Name only, 

 hence not part of the system. An ally of Torpedo Dum. 



Cyclarthrus Agassiz, III, 382; orthotype C. macroptenes Ag. (fossil). A fin of 

 some ray, imperfectly known. 



Euryarthra Agassiz, III, 382; orthotype E. munsteri Ag. (fossil). An ally of 

 Rhinobatus Linck and a synonym of ^llopos Miinster. 



296. EGERTON (1843). On Some Nezv Species of Fossil Chimaroid Fishes, 



imth Remarks on Their Affinities Proc. Geo!. Soc, IV. 



Phhjp de Malpas Grey Egerton. 



Ischyodus Egerton, IV, 155; orthotype Chimera colei (Buckland) Ag. (fossil). 



Elasmodus Egerton, IV, 156; orthotype E. hunteri Egert. (fossil). 



297. HALL (1843). Natural History of Nezv York. (Paljeontology.) 



James Hall. 

 Sauripteris Hall, IV, 282; orthotype S. taylori Hall (fossil). Usually written 

 Sauripterus. 



298. HECKEL (1843). Abbildungen und Bcschreibungen der Fischc Syriens, 

 nebst einer neuen Classification und Characteristik sdmmtlicher Gattttngen der 

 Cyprinen. Stuttgart. 



Johann Jakob Heckel. 



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